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Violetta Sagun. Completed the Doktor (PhD) in Theoretical Physics in 2015/12/15 by Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Magister in Astrophysics in 2011/06/28 by Kyiv National Taras Shevchenko University and Bachelor in Physics in 2009/06/30 by Kyiv National Taras Shevchenko University. Is Researcher in Universidade de Coimbra. Published 55 articles in journals. Organized 3 event(s). Participated in 23 event(s). Co-supervised 2 PhD thesis(es). Supervised 2 MSc dissertation(s). Has received 10 awards and/or honors. Participates and/or participated as Invited Scientist Fellow in 1 project(s), Other in 3 project(s), Principal investigator in 1 project(s), Research Fellow in 2 project(s) and Researcher in 5 project(s). Works in the area(s) of Exact Sciences with emphasis on Physical Sciences with emphasis on Particles and Fields Physics and Exact Sciences with emphasis on Physical Sciences with emphasis on Astronomy. In his curriculum Ciência Vitae the most frequent terms in the context of scientific, technological and artistic-cultural output are: compact stars; strongly interacting matter equation of state; high-energy nuclear collisions; dark matter; quark-gluon plasma; heavy-ion collisions; CERN; NICA; quark-hadron phase transition; excluded hadron volume; chemical freeze-out; neutron star matter; Dark Matter; Quantum Field Theory; Modified gravity; Sun; sun-like stars and neutron stars ; Cosmology; cosmological perturbations; gravitational waves; multi-messenger astrophysics; Gravitation; Astrophysics; Black Holes; neutron stars; neutron stars merger; Standard Model of particle physics; Gravitação; Cosmologia; Astrofísica; Buracos Negros; .
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Identification

Personal identification

Full name
Violetta Sagun

Citation names

  • Sagun, Violetta
  • V.V. Sagun
  • Violetta V. Sagun
  • V. Sagun

Author identifiers

Ciência ID
811D-01CF-E7D7
ORCID iD
0000-0001-5854-1617

Telephones

Telephone
  • (+351) 239410616 (Professional)

Addresses

  • CFisUC, Department of Physics, University of Coimbra, Rua Larga,, 3004-516, Coimbra, Coimbra, Portugal (Professional)

Websites

Knowledge fields

  • Exact Sciences - Physical Sciences - Particles and Fields Physics
  • Exact Sciences - Physical Sciences - Astronomy

Languages

Language Speaking Reading Writing Listening Peer-review
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
Portuguese Advanced (C1) Advanced (C1) Advanced (C1) Proficiency (C2) Advanced (C1)
Russian Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
Ukrainian (Mother tongue)
Education
Degree Classification
2015/12/15
Concluded
 Theoretical Physics (Doktor (PhD))
Major in PhD in Theoretical Physics
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
"Strongly interacting matter equations of state for high-energies nuclear-nuclear collisions" (THESIS/DISSERTATION)
2011/06/28
Concluded
 Astrophysics (Magister)
Major in M. S. Degree in Astrophysics
Kyiv National Taras Shevchenko University, Ukraine
"The primordial abundance determination of 4He, including new data on systematic effects" (THESIS/DISSERTATION)
2005/09/01 - 2009/06/30
Concluded
 Physics (Bachelor)
Major in B. S. Degree in Physics
Kyiv National Taras Shevchenko University, Ukraine
"Properties of the NGC 4945 active galactic nucleus X-ray radiation based on two XMM-Newton observations" (THESIS/DISSERTATION)
Affiliation

Science

Category
Host institution 		Employer
2019/01/04 - Current Researcher (Research) Universidade de Coimbra, Portugal
Universidade de Coimbra Centro de Física, Portugal
2018/02/01 - 2018/12/31 Postdoc (Research) Instituto Superior Técnico Departamento de Física, Portugal
Universidade de Lisboa Centro Multidisciplinar de Astrofísica, Portugal
2017/12/01 - 2018/01/31 Researcher (Research) Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
2016/12/01 - 2017/11/30 Postdoc (Research) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Centro Multidisciplinar de Astrofísica, Portugal
2015/02/21 - 2016/11/30 Postdoc (Research) Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
Projects

Grant

Designation Funders
2022/01/01 - 2023/06/30 An imprint of dark matter on neutron stars and their mergers
EXPL/FIS-AST/0735/2021
Principal investigator
Universidade de Coimbra Centro de Física, Portugal
 Fundação para a Ciência e a Tecnologia
Ongoing
2021/06/19 - 2021/07/02 Short term visit supported by COST Action for a scientific collaboration with Dr. David Blaschke at the Institute for Theoretical Physics, University of Wroclaw, Wroclaw, Poland
COST Action
Research Fellow
2016/11/16 - 2019/12/31 From Strong Interacting Matter to Dark Matter
CPEA-LT-2016/10094
Researcher
UiO Institutt for teoretisk astrofysikk, Norway
Concluded
2019/12/09 - 2019/12/20 Scientific collaboration with Dr. Morgane Fortin
COST Action CA16214
Researcher
Centrum Astronomiczne im. Mikolaja Kopernika, Poland
Concluded
2018/07/09 - 2018/12/31 Selfconsistent hydrodynamics of quark-gluon bags and signals of phase transitions in high energy collisions of heavy ions
CO-2-5/2018
Co-PI
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
 Nacional'na akademia nauk Ukraini
Concluded
2018/10/21 - 2018/10/28 Scientific collaboration with Prof. M. Ángeles Pérez-Garci´a
grant of Prof. M. Ángeles Pérez-Garci´a
Invited Scientist Fellow
Universidad de Salamanca, Spain
Concluded
2017/04/03 - 2017/12/29 Studies of phase diagram of strongly interacting matter in heavy ion collisions and lattice QCD
CO-2-6/2017
Co-PI
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
 Nacional'na akademia nauk Ukraini
Concluded
2017/05/15 - 2017/05/26 scientific collaboration with Prof. Larissa Bravina
CPEA-LT-2016/10094
Researcher
UiO Institutt for teoretisk astrofysikk, Norway
2016/07/06 - 2016/12/30 Analysis of the experimental data on heavy ion collisions within the models of hadron resonance gas and quark-gluon bags
CO-2-6/2016
Co-PI
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
 Nacional'na akademia nauk Ukraini
Concluded
2012/11/07 - 2015/12/29 Properties of strongly interacting matter under extreme conditions
CO-4-2/2012-2013-2014-2015
Research Fellow
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
 Nacional'na akademia nauk Ukraini
Concluded

Contract

Designation Funders
2022/01/01 - 2023/08/31 An imprint of dark matter on neutron stars and their mergers
10.54499/EXPL/FIS-AST/0735/2021
Universidade de Coimbra, Portugal

Universidade de Coimbra Centro de Física, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
2018/10/01 - 2022/09/30 How attractive is dark matter?
PTDC/FIS-AST/28920/2017
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded
2018/10/01 - 2022/09/30 How attractive is dark matter?
PTDC/FIS-AST/28920/2017
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal
 Fundação para a Ciência e a Tecnologia
Concluded
2019/01/01 - 2019/12/31 Multidisciplinary Center for Astrophysics
UID/FIS/00099/2019
Universidade de Lisboa Centro de Astrofísica e Gravitação, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

FCiênciasID Associação para a Investigação e Desenvolvimento de Ciências, Portugal
Fundação para a Ciência e a Tecnologia
Concluded
2019/01/01 - 2019/12/31 Centro Multidisciplinar de Astrofísica
UID/FIS/00099/2019
FCiênciasID Associação para a Investigação e Desenvolvimento de Ciências, Portugal

Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

Universidade de Lisboa Centro de Astrofísica e Gravitação, Portugal
Fundação para a Ciência e a Tecnologia
Concluded

Other

Designation Funders
2023/09/01 - Current Head of the Coimbra LISA group, Member of the LISA Collaboration
LISA Collaboration
Ongoing
2022/01/01 - Current Head of the Coimbra Einstein Telescope research unit. Member of the Einstein Telescope collaboration (division 4 - Multi-Messenger Observations and division 6 - Nuclear Physics)
Einstein Telescope collaboration
Researcher
2021/01/01 - Current Member of the Square Kilometre Array (SKA) telescope collaboration (Pulsars Working Group).
SKA telescope collaboration
Researcher
Outputs

Publications

Conference paper
  1. Rafiei Karkevandi, Davood; Shakeri, Soroush; Sagun, Violetta; Ivanytskyi, Oleksii. "Tidal deformability as a probe of dark matter in neutron stars". 2023.
    10.1142/9789811269776_0307
  2. Kucherenko, V.S.; Bugaev, K.A.; Sagun, V.; Ivanytskyi, O.. "Statistical Multifragmentation Model within the Extended Morphological Thermodynamics Approach". 2022.
    10.15407/ujpe67.9.639
  3. Sagun, Violetta; Giangrandi, Edoardo; Ivanytskyi, Oleksii; Providência, Constança; Dietrich, Tim. "How does dark matter affect compact star properties and high density constraints of strongly interacting matter". 2022.
    10.1051/epjconf/202227407009
  4. Sagun, Violetta; Giangrandi, Edoardo; Oleksii Ivanytskii; LOPES, ILÍDIO; K.A. Bugaev. "Constraints on the fermionic dark matter from observations of neutron stars". 2021.
    Published • 10.22323/1.380.0313
  5. Davood Rafiei Karkevandi; Soroush Shakeri; Sagun, Violetta; Ivanytskyi, Oleksii. "Tidal Deformability as a Probe of Dark Matter in Neutron Stars". Paper presented in The Sixteenth Marcel Grossmann Meeting, 2021.
  6. Tsiopelas, Stefanos; Sagun, Violetta. "Thermal evolution of neutron stars described within the equation of state with induced surface tension". 2021.
    10.1002/asna.202113929
  7. Bugaev, K.A.; Vitiuk, O.V.; Grinyuk, B.E.; Yakovenko, N.S.; Zherebtsova, E.S.; Sagun, V.V.; Ivanytskyi, O.I.; et al. "Chemical freeze-out of light nuclei in high energy nuclear collisions and resolution of the hyper-triton chemical freeze-out puzzle". 2020.
    10.1088/1742-6596/1690/1/012123
  8. "Thermal evolution of neutron stars described within the equation of state with induced surface tension". Paper presented in IWARA2020 Video Conference - 9th International Workshop on Astronomy and Relativistic Astrophysics, 2020.
  9. Sagun, V.V.; Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Mishustin, I.N.. "Effects of Induced Surface Tension in Nuclear and Hadron Matter". 2017.
    10.1051/epjconf/201713709007
  10. Bugaev, K.A.; Ivanytskyi, A.I.; Sagun, V.V.; Zinovjev, G.M.; Oliinychenko, D.R.; Trubnikov, V.S.; Nikonov, E.G.. "A possible evidence of observation of two mixed phases in nuclear collisions". 2016.
    10.1051/epjconf/201612603003
  11. Sagun, V.V.; Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.. "New irregularities at chemical freeze-out of hadrons". 2015.
    10.1109/YSF.2015.7333191
  12. Bugaev, Kyrill Alekseevich. "Adiabatic chemical freeze-out and wide resonance modification in a thermal media". 2012.
    10.22323/1.173.0017
Conference poster
  1. Giangrandi, Edoardo; Sagun, Violetta; Dietrich, Tim; Oleksii Ivanytskii; Costanca Providencia. "Compact stars as a laboratory to probe dark matter properties". Paper presented in PHAROS Conference 2022, 2022.
Journal article
  1. Ávila, Afonso; Giangrandi, Edoardo; Sagun, Violetta; Ivanytskyi, Oleksii; Providência, Constança. "Rapid neutron star cooling triggered by dark matter". Mon.Not.Roy.Astron.Soc. 528 4 (2024): 6319-6328. http://inspirehep.net/record/2694389.
    10.1093/mnras/stae337
  2. Edoardo Giangrandi; Afonso Ávila; Violetta Sagun; Oleksii Ivanytskyi; C Providência. "The Impact of Asymmetric Dark Matter on the Thermal Evolution of Nucleonic and Hyperonic Compact Stars". Particles (2024): https://www.mdpi.com/2571-712X/7/1/10.
    10.3390/particles7010010
  3. Gärtlein, Christoph; Ivanytskyi, Oleksii; Sagun, Violetta; Blaschke, David. "Hybrid star phenomenology from the properties of the special point". Physical Review D (2023):
    Accepted
  4. Hannes R. Rüter; Sagun, Violetta; Wolfgang Tichy ; Dietrich, Tim. "Quasi-equilibrium configurations of binary systems of dark matter admixed neutron stars". Physical Review D (2023): https://inspirehep.net/literature/2621487.
    Accepted
  5. Hannes R. Rüter; Violetta Sagun; Wolfgang Tichy; Tim Dietrich. "Quasiequilibrium configurations of binary systems of dark matter admixed neutron stars". Phys.Rev.D 108 12 (2023): 124080-124080. http://inspirehep.net/record/2621487.
    10.1103/PhysRevD.108.124080
  6. Violetta Sagun; Edoardo Giangrandi; Tim Dietrich; Oleksii Ivanytskyi; Rodrigo Negreiros; C Providência. "What Is the Nature of the HESS J1731-347 Compact Object?". Astrophys.J. 958 1 (2023): 49-49. http://inspirehep.net/record/2670455.
    10.3847/1538-4357/acfc9e
  7. Edoardo Giangrandi; Violetta Sagun; Oleksii Ivanytskyi; C Providência; Tim Dietrich. "The Effects of Self-interacting Bosonic Dark Matter on Neutron Star Properties". Astrophys.J. 953 1 (2023): 115-115. http://inspirehep.net/record/2155212.
    10.3847/1538-4357/ace104
  8. Kucherenko, Vyacheslav; Bugaev, K.; Sagun, Violetta; Ivanytskyi, Oleksii. "Statistical Multifragmentation Model Within the Extended Morphological Thermodynamics Approach". Ukrainian Journal of Physics 67 9 (2022):
  9. Sagun, Violetta; Giangrandi, Edoardo; Ivanytskyi, Oleksii; Constança Providência; Deitrich, Tim. "How does dark matter affect compact star properties and high density constraints of strongly interacting matter". EPJ Web of Conferences 724 (2022): 07009.
  10. Mattia Emma; Federico Schianchi; Francesco Pannarale; Violetta Sagun; Tim Dietrich. "Numerical Simulations of Dark Matter Admixed Neutron Star Binaries". Particles (2022): https://www.mdpi.com/2571-712X/5/3/24.
    10.3390/particles5030024
  11. Oleksandr Vitiuk; Valery Pugatch; Kyrill Bugaev; Nazar Yakovenko; Pavlo Panasiuk; Elizaveta Zherebtsova; Vasyl M. Dobishuk; et al. "Colliding and Fixed Target Mode in a Single Experiment—A Novel Approach to Study the Matter under New Extreme Conditions". Particles (2022): https://www.mdpi.com/2571-712X/5/3/22.
    10.3390/particles5030022
  12. Karkevandi, Davood Rafiei; Shakeri, Soroush; Sagun, Violetta; Ivanytskyi, Oleksii. "Bosonic dark matter in neutron stars and its effect on gravitational wave signal". Phys.Rev.D 105 2 (2022): 023001-023001. http://inspirehep.net/record/1918511.
    10.1103/PhysRevD.105.023001
  13. Bugaev, K.A.; Vitiuk, O.V.; Grinyuk, B.E.; Panasiuk, P.P.; Yakovenko, N.S.; Zherebtsova, E.S.; Sagun, V.V.; et al. "Induced surface and curvature tension equation of state for hadron resonance gas in finite volumes and its relation to morphological thermodynamics". Int.J.Mod.Phys.A 36 34n35 (2021): 2141009-2141009. http://inspirehep.net/record/1857885.
    10.1142/S0217751X21410098
  14. Blaschke, David; Bravina, Larissa; Bugaev, Kyrill; Farrar, Glennys R.; Grinyuk, Boris; Ivanytskyi, Oleksii; Kabana, Sonia; et al. "Thermal production of sexaquarks in heavy-ion collisions". Int.J.Mod.Phys.A 36 25 (2021): 2141005-2141005. http://inspirehep.net/record/1938524.
    10.1142/S0217751X21410050
  15. Tsiopelas, Stefanos; Sagun, Violetta. "Neutron Star Cooling Within the Equation of State With Induced Surface Tension". Particles 3 4 (2020): 693-704. http://dx.doi.org/10.3390/particles3040045.
    10.3390/particles3040045
  16. Bugaev, K. A.; Vitiuk, O. V.; Grinyuk, B. E.; Sagun, V. V.; Yakovenko, N. S.; Ivanytskyi, O. I.; Zinovjev, G. M.; et al. "Second virial coefficients of light nuclear clusters and their chemical freeze-out in nuclear collisions". The European Physical Journal A 56 11 (2020): http://dx.doi.org/10.1140/epja/s10050-020-00296-5.
    10.1140/epja/s10050-020-00296-5
  17. Grinyuk, Boris E.; Bugaev, Kyrill A.; Sagun, Violetta V.; Ivanytskyi, Oleksii I.; Borisyuk, Dmitry L.; Zhokhin, Anatoly S.; Zinovjev, Gennady M.; et al. "Classical excluded volume of loosely bound light (anti) nuclei and their chemical freeze-out in heavy ion collisions". International Journal of Modern Physics E 29 11 (2020): 2040009. http://dx.doi.org/10.1142/s0218301320400091.
    10.1142/s0218301320400091
  18. Ivanytskyi, O.; Sagun, V.; Lopes, I.. "Neutron stars: New constraints on asymmetric dark matter". Physical Review D 102 6 (2020): http://dx.doi.org/10.1103/physrevd.102.063028.
    10.1103/physrevd.102.063028
  19. Sagun, V.; Panotopoulos, G.; Lopes, I.. "Asteroseismology: Radial oscillations of neutron stars with realistic equation of state". Physical Review D 101 6 (2020): http://dx.doi.org/10.1103/physrevd.101.063025.
    10.1103/physrevd.101.063025
  20. Ivanytskyi, O.; Pérez-García, M. Ángeles; Sagun, V.; Albertus, C.. "Second look to the Polyakov loop Nambu–Jona-Lasinio model at finite baryonic density". Physical Review D 100 10 (2019): http://dx.doi.org/10.1103/physrevd.100.103020.
    10.1103/physrevd.100.103020
  21. Sagun, V. V.; Bugaev, K. A.; Ivanytskyi, O. I.. "On Relation between Bulk, Surface and Curvature Parts of Nuclear Binding Energy within the Model of Hexagonal Clusters". Physics of Particles and Nuclei Letters 16 6 (2019): 671-680. http://dx.doi.org/10.1134/s1547477119060517.
    10.1134/s1547477119060517
  22. Bugaev, K. A.; Grinyuk, B. E.; Ivanytskyi, A. I.; Sagun, V. V.; Savchenko, D. O.; Zinovjev, G. M.; Nikonov, E. G.; et al. "On separate chemical freeze-outs of hadrons and light (anti)nuclei in high energy nuclear collisions". Journal of Physics: Conference Series 1390 (2019): 012038. http://dx.doi.org/10.1088/1742-6596/1390/1/012038.
    10.1088/1742-6596/1390/1/012038
  23. Bugaev, Kyrill; Ivanytskyi, Aleksei; Sagun, Violetta; Grinyuk, Boris; Savchenko, Denis; Zinovjev, Gennady; Nikonov, Edward; et al. "Hard-Core Radius of Nucleons within the Induced Surface Tension Approach". Universe 5 2 (2019): 63. http://dx.doi.org/10.3390/universe5020063.
    10.3390/universe5020063
  24. Sagun, V.; Lopes, I.; Ivanytskyi, A.. "Neutron stars meet constraints from high and low energy nuclear physics". Nuclear Physics A 982 (2019): 883-886. http://dx.doi.org/10.1016/j.nuclphysa.2018.10.024.
    10.1016/j.nuclphysa.2018.10.024
  25. Sagun, Violetta V.; Lopes, Ilídio; Ivanytskyi, Aleksei I.. "The Induced Surface Tension Contribution for the Equation of State of Neutron Stars". The Astrophysical Journal 871 2 (2019): 157. http://dx.doi.org/10.3847/1538-4357/aaf805.
    10.3847/1538-4357/aaf805
  26. Bugaev, K. A.; Ivanytskyi, A. I.; Sagun, V. V.; Grinyuk, B. E.; Savchenko, D. O.; Zinovjev, G. M.; Nikonov, E. G.; et al. "Possible signals of two QCD phase transitions at NICA-FAIR energies". EPJ Web of Conferences 204 (2019): 03001. http://dx.doi.org/10.1051/epjconf/201920403001.
    10.1051/epjconf/201920403001
  27. Bugaev, K. A.; Ivanytskyi, A. I.; Sagun, V. V.; Nikonov, E. G.; Zinovjev, G. M.. "Equation of State of Quantum Gases Beyond the Van der Waals Approximation". Ukrainian Journal of Physics 63 10 (2018): 863. http://dx.doi.org/10.15407/ujpe63.10.863.
    10.15407/ujpe63.10.863
  28. Ivanytskyi, A. I.; Bugaev, K. A.; Sagun, V. V.; Bravina, L. V.; Zabrodin, E. E.. "Influence of flow constraints on the properties of the critical endpoint of symmetric nuclear matter". Physical Review C 97 6 (2018): http://dx.doi.org/10.1103/physrevc.97.064905.
    10.1103/physrevc.97.064905
  29. Sagun, V. V.; Bugaev, K. A.; Ivanytskyi, A. I.; Yakimenko, I. P.; Nikonov, E. G.; Taranenko, A. V.; Greiner, C.; Blaschke, D. B.; Zinovjev, G. M.. "Hadron resonance gas model with induced surface tension". The European Physical Journal A 54 6 (2018): http://dx.doi.org/10.1140/epja/i2018-12535-1.
    10.1140/epja/i2018-12535-1
  30. Bugaev, K. A.; Emaus, R.; Sagun, V. V.; Ivanytskyi, A. I.; Bravina, L. V.; Blaschke, D. B.; Nikonov, E. G.; et al. "Threshold Collision Energy of the QCD Phase Diagram Tricritical Endpoint". Physics of Particles and Nuclei Letters 15 3 (2018): 210-224. http://dx.doi.org/10.1134/s1547477118030068.
    10.1134/s1547477118030068
  31. Bugaev, K A; Emaus, R; Sagun, V V; Ivanytskyi, A I; Bravina, L V; Blaschke, D B; Nikonov, E G; et al. "Evidence of the QCD Tricritical Endpoint Existence at NICA-FAIR Energies". KnE Energy 3 1 (2018): 313. http://dx.doi.org/10.18502/ken.v3i1.1760.
    10.18502/ken.v3i1.1760
  32. Bugaev, K.A.; Sagun, V.V.; Ivanytskyi, A.I.; Yakimenko, I.P.; Nikonov, E.G.; Taranenko, A.V.; Zinovjev, G.M.. "Going beyond the second virial coefficient in the hadron resonance gas model". Nuclear Physics A 970 (2018): 133-155. http://dx.doi.org/10.1016/j.nuclphysa.2017.11.008.
    10.1016/j.nuclphysa.2017.11.008
  33. Bugaev, K.A.; Ivanytskyi, A.I.; Sagun, V.V.; Zinovjev, G.M.; Nikonov, E.G.; Emaus, R.; Bravina, L.V.; Zabrodin, E.E.; Taranenko, A.V.. "Probing the tricritical endpoint of QCD phase diagram at NICAFAIR energies". EPJ Web of Conferences 182 (2018): 02021. http://dx.doi.org/10.1051/epjconf/201818202021.
    10.1051/epjconf/201818202021
  34. Bugaev, K.; Sagun, V.; Ivanytskyi, A.; Nikonov, E.; Cleymans, J.; Mishustin, I.; Zinovjev, G.; Bravina, L.V.; Zabrodin, E.E.. "Separate freeze-out of strange particles and the quark-hadron phase transition". EPJ Web of Conferences 182 (2018): 02057. http://dx.doi.org/10.1051/epjconf/201818202057.
    10.1051/epjconf/201818202057
  35. Bugaev, Kyrill A.; Ivanytskyi, Aleksei I.; Sagun, Violetta V.; Grinyuk, Boris E.; Savchenko, Denis O.; Zinovjev, Gennady M.; Nikonov, Edward G.; et al. "Hard-core Radius of Nucleons within the Induced Surface Tension Approach". (2018): http://hdl.handle.net/10316/107411.
    https://doi.org/10.3390/universe5020063
  36. Bugaev, Kyrill A.; Ivanytskyi, Aleksei I.; Sagun, Violetta V.; Grinyuk, Boris E.; Savchenko, Denis O.; Zinovjev, Gennady M.; Nikonov, Edward G.; et al. "Hard-core Radius of Nucleons within the Induced Surface Tension Approach". (2018): http://hdl.handle.net/10316/107411.
    https://doi.org/10.3390/universe5020063
  37. Sagun, Violetta V.; Lopes, Ilídio. "Neutron Stars: A Novel Equation of State with Induced Surface Tension". The Astrophysical Journal 850 1 (2017): 75. http://dx.doi.org/10.3847/1538-4357/aa92cf.
    10.3847/1538-4357/aa92cf
  38. Ivanytskyi, A.I.; Bugaev, K.A.; Nikonov, E.G.; Ilgenfritz, E.-M.; Oliinychenko, D.R.; Sagun, V.V.; Mishustin, I.N.; Petrov, V.K.; Zinovjev, G.M.. "Physical properties of Polyakov loop geometrical clusters in SU(2) gluodynamics". Nuclear Physics A 960 (2017): 90-113. http://www.scopus.com/inward/record.url?eid=2-s2.0-85012874186&partnerID=MN8TOARS.
    10.1016/j.nuclphysa.2017.01.010
  39. Sagun, V.V.; Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Sagun, V V; Bugaev, K A; Ivanytskyi, A I; Oliinychenko, D R. "Evidences of quark-gluon plasma formation in central nuclear collisions". Journal of Physics: Conference Series 798 1 (2017): 012057. http://www.scopus.com/inward/record.url?eid=2-s2.0-85016305074&partnerID=MN8TOARS.
    10.1088/1742-6596/798/1/012057
  40. Ivanytskyi, A.; Bugaev, K.; Nikonov, E.; Ilgenfritz, E.-M.; Oliinychenko, D.; Sagun, V.; Mishustin, I.; et al. "Geometrical clusterization of Polyakjov loops in SU(2) lattice gluodynamics". Journal of Physics: Conference Series 798 1 (2017): 012065. http://www.scopus.com/inward/record.url?eid=2-s2.0-85016293343&partnerID=MN8TOARS.
    10.1088/1742-6596/798/1/012065
  41. Ivanytskyi, A.; Bugaev, K.; Nikonov, E.; Ilgenfritz, E.-M.; Oliinychenko, D.; Sagun, V.; Mishustin, I.; Zinovjev, G.; Petrov, V.. "Geometrical clusterization and deconfinement phase transition in SU(2) gluodynamics". EPJ Web of Conferences 137 (2017): 07010. http://dx.doi.org/10.1051/epjconf/201713707010.
    10.1051/epjconf/201713707010
  42. Sagun, V.V.; Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Mishustin, I.N.. "Nuclear and hadron matter equation of state within the induced surface tension approach". EPJ Web of Conferences 164 (2017): 07022. http://dx.doi.org/10.1051/epjconf/201716407022.
    10.1051/epjconf/201716407022
  43. Bugaev, K.A.; Sagun, V.V.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Ilgenfritz, E.-M.; Nikonov, E.G.; Taranenko, A.V.; Zinovjev, G.M.. "New signals of quark-gluon-hadron mixed phase formation". European Physical Journal A 52 8 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84982136492&partnerID=MN8TOARS.
    10.1140/epja/i2016-16227-6
  44. Bugaev, K.A.; Oliinychenko, D.R.; Sagun, V.V.; Ivanytskyi, A.I.; Cleymans, J.; Mironchuk, E.S.; Nikonov, E.G.; Taranenko, A.V.; Zinovjev, G.M.. "Separate chemical freeze-outs of strange and non-strange hadrons and problem of residual chemical non-equilibrium of strangeness in relativistic heavy ion collisions". Ukrainian Journal of Physics 61 8 (2016): 659-673. http://www.scopus.com/inward/record.url?eid=2-s2.0-84989958094&partnerID=MN8TOARS.
    10.15407/ujpe61.08.0659
  45. Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Sagun, V.V.; Mishustin, I.N.; Rischke, D.H.; Satarov, L.M.; Zinovjev, G.M.. "Thermodynamically anomalous regions and possible new signals of mixed-phase formation". European Physical Journal A 52 6 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84977590030&partnerID=MN8TOARS.
    10.1140/epja/i2016-16175-1
  46. Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Nikonov, E.G.; Sagun, V.V.; Zinovjev, G.M.. "Non-smooth chemical freeze-out and apparent width of wide resonances and quark gluon bags in a thermal environment". Ukrainian Journal of Physics 60 3 (2015): 181-200. http://www.scopus.com/inward/record.url?eid=2-s2.0-84924339918&partnerID=MN8TOARS.
  47. Bugaev, K.A.; Ivanytskyi, A.I.; Oliinychenko, D.R.; Sagun, V.V.; Mishustin, I.N.; Rischke, D.H.; Satarov, L.M.; Zinovjev, G.M.. "Thermodynamically anomalous regions as a mixed phase signal". Physics of Particles and Nuclei Letters 12 2 (2015): 238-245. http://www.scopus.com/inward/record.url?eid=2-s2.0-84925871192&partnerID=MN8TOARS.
    10.1134/S1547477115020065
  48. Sagun, V.V.. "Lambda-Anomaly in the Hadronic Chemical Freeze-out". Ukrainian Journal of Physics 59 8 (2014): 755-763. http://dx.doi.org/10.15407/ujpe59.08.0755.
    10.15407/ujpe59.08.0755
  49. Sagun, V.V.; Ivanytskyi, A.I.; Bugaev, K.A.; Mishustin, I.N.. "The statistical multifragmentation model for liquid-gas phase transition with a compressible nuclear liquid". Nuclear Physics A 924 (2014): 24-46. http://www.scopus.com/inward/record.url?eid=2-s2.0-84893508904&partnerID=MN8TOARS.
    10.1016/j.nuclphysa.2013.12.012
  50. Sagun, V.V.; Oliinychenko, D.R.; Bugaev, K.A.; Cleymans, J.; Ivanytskyi, A.I.; Mishustin, I.N.; Nikonov, E.G.. "Strangeness enhancement at the hadronic chemical freeze-out". Ukrainian Journal of Physics 59 11 (2014): 1043-1050. http://www.scopus.com/inward/record.url?eid=2-s2.0-84909636688&partnerID=MN8TOARS.
  51. Oliinychenko, D.R.; Sagun, V.V.; Ivanytskyi, A.I.; Bugaev, K.A.. "Separate chemical freeze-out of strange particles with conservation laws". Ukrainian Journal of Physics 59 11 (2014): 1051-1059. http://www.scopus.com/inward/record.url?eid=2-s2.0-84909643718&partnerID=MN8TOARS.
  52. Sagun, V.V.. "¿-anomaly in the hadronic chemical freeze-out". Ukrainian Journal of Physics 59 8 (2014): 755-763. http://www.scopus.com/inward/record.url?eid=2-s2.0-84906347063&partnerID=MN8TOARS.
  53. Bugaev, K. A.; Ivanytskyi, A. I.; Sagun, V. V.; Oliinychenko, D. R.. "Is bimodality a sufficient condition for a first-order phase transition existence?". Physics of Particles and Nuclei Letters 10 6 (2013): 508-520. http://dx.doi.org/10.1134/s1547477113060058.
    10.1134/s1547477113060058
  54. Bugaev, K.A.; Oliinychenko, D.R.; Cleymans, J.; Ivanytskyi, A.I.; Mishustin, I.N.; Nikonov, E.G.; Sagun, V.V.. "Chemical freeze-out of strange particles and possible root of strangeness suppression". EPL 104 2 (2013): http://www.scopus.com/inward/record.url?eid=2-s2.0-84888595715&partnerID=MN8TOARS.
    10.1209/0295-5075/104/22002
  55. Sagun, V.V.; Izotov, Y.I.. "Pregalactic 4He abundance with new data on systematic errors in its determination". Kinematics and Physics of Celestial Bodies 28 3 (2012): 103-113. http://www.scopus.com/inward/record.url?eid=2-s2.0-84862868002&partnerID=MN8TOARS.
    10.3103/S0884591312030075
Preprint
  1. Gärtlein, Christoph; Ivanytskyi, Oleksii; Sagun, Violetta; Blaschke, David. "Probing hybrid stars and the properties of the special points with radial oscillations". 2023. https://doi.org/10.48550/arXiv.2301.10765.
    10.1103/PhysRevD.108.114028
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2024/03/28 INVITED SEMINAR "Probes of dark matter with neutron stars and their mergers in light of the next-generation gravitational wave detectors'', V. Sagun, A. Avila, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, C. Providencia, H. R. Rüter, W. Tichy https://indico.ifj.edu.pl/event/1205/ Henryk Niewodniczanski Institute of Nuclear Physics
Polish Academy of Sciences (Krakow, Poland)
2024/03/22 INVITED TALK "The impact of dark matter on neutron stars and gravitational wave signals from their mergers'', V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, N. Kunert, C. Providência, H. Rüter, W. Tichy https://indico.ph.tum.de/event/7422/ The theory workshop "Quarkonia meet Dark Matter"
Institute for Advanced Study, Technical University of Munich (Munich, Germany)
2024/02/12 PLENARY TALK "A degeneracy between the effect of dark matter and strongly interacting matter at high densities", V. Sagun}, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, N. Kunert, C. Providência, H. Rüter, W. Tichy https://agenda.infn.it/event/37487/ Bottom-Up Cross-Cutting Workshop "JENAS Initiative: Gravitational Wave Probes of Fundamental Physics"
Sapienza University of Rome (Rome, Italy)
2024/02/12 INVITED OVERVIEW TALK by conveners "WG1: Matter under extreme conditions'' https://agenda.infn.it/event/37487/ Bottom-Up Cross-Cutting Workshop "JENAS Initiative: Gravitational Wave Probes of Fundamental Physics”
Sapienza University of Rome (Rome, Italy)
2023/12/07 INVITED SEMINAR “Probes of dark matter with neutron stars and their mergers”, V. Sagun, A. Ávila, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, C. Providência, H. R. Rüter, W. Tichy
Theory Astrophysics and Gravity (STAG) Research Centre, University of Southampton (Southampton, United Kingdom)
2023/11/30 INVITED SEMINAR “Probes of dark matter with neutron stars and their mergers”, V. Sagun, A. Ávila, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, C. Providência, H. R. Rüter, W. Tichy
Department of Physics at Royal Holloway University of London (London, United Kingdom)
2023/09/07 PLENARY TALK “The effect of dark matter on the properties of neutron stars”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, H. Rüter, F. Schianchi, W. Tichy XXXIII National Meeting of Astronomy and Astrophysics (ENAA)
University of Coimbra (Coimbra, Portugal)
2023/07/26 PARALLEL TALK “What is the nature of the HESS J1731-347 compact object? Does it confirm the early deconfinement phase transition?”, V. Sagun, E. Giangrandi, T. Dietrich, O. Ivanytskyi, R. Negreiros, C. Providência 19th International Conference on QCD in Extreme Conditions (XQCD 2023)
University of Coimbra (Coimbra, Portugal)
2023/05/29 PLENARY TALK “Probing dark matter with neutron stars and their mergers”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, H. Rüter, F. Schianchi, W. Tichy Dark Matter 2023: From the Smallest to the Largest Scales conference
(Santander, Spain)
2023/04/03 INVITED TALK Constraining the properties of strongly interacting matter with the multi-messenger observations of compact stars, V. Sagun, E. Giangrandi, T. Dietrich, O. Ivanytskyi, C. Providência at the WE-Heraeus-Seminar The QCD Phase Transition
Physikzentrum Bad Honnef (Bad Honnef, Germany)
2022/11/29 PLENARY TALK “Compact stars as dark matter probes”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi Kashiwa Dark Matter symposium
University of Tokyo (Tokyo, Japan)
2022/11/22 INVITED SEMINAR “Impact of dark matter on compact stars and their merger dynamics”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi at the Laboratoire de Physique des 2 infinis Irène Joliot-Curie – IJCLab
Université Paris-Saclay (France)
2022/10/19 INVITED SEMINAR “Constraints on dark matter from observations of neutron stars and their mergers”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi at the Gr@v group
University of Aveiro (Aveiro, Portugal)
2022/09/05 PLENARY TALK “Probing dark matter with neutron stars”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi IPA2022: Interplay between Particle and Astroparticle physics 2022
Vienna University of Technology ( Vienna, Austria)
2022/08/01 PARALLEL TALK “How dark matter affects compact star’s properties and constraints we put on strongly interacting matter at high densities”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi “XVth Quark Confinement and the Hadron Spectrum” conference
University of Stavanger (Stavanger, Norway)
2022/08/01 PLENARY TALK “The effect of dark matter on compact stars and constraints we put on strongly interacting matter at high densities”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi the INT workshop (INT-22-2b) “Dark Matter in Compact Objects, Stars, and Low-Energy Experiments”
Institute for Nuclear Theory (Seattle, United States)
2022/07/27 PLENARY TALK “Effect of dark matter on observable neutron star’s properties and it’s discrimination from the strongly interacting matter equation of state”, V. Sagun, T. Dietrich, M. Emma, E. Giangrandi, O. Ivanytskyi, I. Lopes, F. Pannarale, C. Providência, F. Schianchi 18th International Conference on QCD in Extreme Conditions (XQCD 2022)
Norwegian University of Science and Technology (Trondheim, Norway)
2022/07/21 INVITED SEMINAR “The impact of dark matter on compact stars and their merger dynamics”
CENTRA, Instituto Superior Técnico, University of Lisbon (Lisbon, Portugal)
2022/06/29 INVITED COLLOQUIUM “Impact of dark matter on compact stars”
Theoretical Physics Colloquium hosted by Prof. Igor Shovkovy, Arizona State University (United States)
2022/05/23 PLENARY TALK “Impact of asymmetric fermionic and bosonic dark matter on neutron star properties”, V. Sagun, O. Ivanytskyi, E. Giangrandi, the INT workshop (INT-20R-1B) “The r-process and the nuclear EOS after LIGO-Virgo’s third observing run”
Institute for Nuclear Theory, (Seattle, United States)
2022/04/29 INVITED SEMINAR “Thermal evolution of compact stars”
Institute for Theoretical Physics, University of Wroclaw (Wroclaw, Poland)
2021/12/14 POSTER presentation "Probing dark matter with neutron stars" Gravitational Wave Physics and Astronomy Workshop (GWPAW 2021), Hannover, Germany
(Hannover, Germany)
2021/11/11 Outreach talk “Searches for sexaquarks: from heavy-ion collisions to stars” at the Department of Physics, University of Coimbra
2021/09/27 Neutron stars as dark matter probes Modern Physics of Compact Stars and Relativistic Gravity
(Yerevan, Armenia)
2021/09/05 Constraints on the fermionic dark matter from observations of neutron stars Particles and Nuclei International Conference - PANIC2021
online (Portugal)
2021/05/26 Outreach talk and the poster “Dark matter in neutron stars” for the “Dia da Investigação do Departamento de Fi´sica”
University of Coimbra (Coimbra)
2021/04/29 How neutron stars can help us to constrain dark matter Iberian Cosmology Meeting (IberiCOS 2021)
University of Coimbra (Coimbra, Portugal)
2020/10/17 Invited seminar: Impact of dark matter on the neutron star properties
Institute of High Energy Physics (HEPHY)
2020/10/08 Constraints on the fraction of cold fermionic dark matter particles inside the neutron stars ICPPA - 5th International Conference on Particle Physics and Astrophysics
2020/09/10 Dark-matter admixed neutron stars IWARA2020 Video Conference - 9th International Workshop on Astronomy and Relativistic Astrophysics
2020/05/22 Invited seminar: Neutron stars meet constraints from astrophysics, gravitation, high- and low- energy nuclear physics
Monash Centre for Astrophysics (MoCA), Monash University (Melbourne, Australia)
2020/05/07 Invited seminar: Neutron stars meet constraints from astrophysics, gravitation, high- and low- energy nuclear physics Berkeley Lab seminar
Lawrence Berkeley National Laboratory (Berkeley, United States)
2020/02/28 Dark matter effect on the neutron star properties at the 56th Karpacz Winter School in Theoretical Physics
(Karpacz, Poland)
2020/01/02 Series of lectures on Compact stars, equation of state of neutron stars and the first NS-NS merger event at the Oslo Winter School: Standard Model, Quantum Chromodynamics, Heavy Ion Collisions
(Skeikampen, Norway)
2019/12/24 Dark-matter admixed compact stars and their properties under extreme conditions at the Young Scientists Conference “Problems of Theoretical Physics”
(Kyiv, Ukraine)
2019/12/11 Unified equation of state consistent with astrophysical, gravitational, high- and low- energy nuclear physics data and its applications Invited seminar
at the N. Copernicus Astronomical Center, Polish Academy of Sciences (Warsaw, Poland)
2019/10/11 Unified equation of state consistent with astrophysical, gravitational, high- and low- energy nuclear physics data at the International workshop “Multi-Messenger Astrophysics in the Gravitational Wave Era”
Yukawa Institute for Theoretical Physics, Kyoto University (Kyoto, Japan)
2019/09/30 Dark-matter admixed compact stars and their properties under extreme conditions Invited seminar
at the Department of Physics, University of Tokyo (Tokyo, Japan)
2019/09/13 Astrophysical constraints on the dark matter core inside the neutron stars at the XIX National Meeting of Astronomy and Astrophysics (ENAA)
Instituto Superior Tecnico (Lisbon, Portugal)
2019/09/09 Neutron stars meet constraints from astrophysics, gravitation, high and low energy nuclear physics at the workshop “Precision Gravity: From the LHC to LISA”, Munich Institute for Astro- and Particle Physics (MIAPP)
(Garching, Germany)
2019/05/21 Invited outreach talk “How to organise a conference with indico platform” for master students
Instituto Superior Tecnico (Lisbon, Portugal)
2019/05/15 Understanding the Neutron Star Physics with the SKA at the workshop “Multi-messenger astronomy with SKA precursors and pathfinders, a capacity building workshop”
(Aveiro, Portugal)
2019/04/26 Equation of state of neutron stars consistent with astrophysical,low- and high-energy nuclear physics data and its applications at the PHAROS Conference 2019: the multi-messenger physics and astrophysics of neutron stars
(Platja d’ Aro, Spain)
2019/04/10 Unified equation of state consistent with astrophysical, gravitational, high- and low- energy nuclear physics data at the workshop “Neutron stars and their environments” (MODE-SNR-PWN)
(Orleans, France)
2019/01/18 Neutron stars: laboratories for fundamental physics under extreme conditions Invited colloquium
at the Institute of Theoretical Astrophysics, University of Oslo (Oslo, Norway)
2019/01/17 Invited seminar “Neutron stars meet constraints from astrophysics, gravitation, high and low energy nuclear physics”
at the Institute of Theoretical Astrophysics, University of Oslo (Oslo, Norway)
2018/12/12 Neutron stars meet constraints from astrophysics, gravitation, high and low energy nuclear physics at the International workshop “Dark matter and stars (IWDMS2018)”
Center for Astrophysics and Gravitation, Instituto Superior Tcnico, University of Lisbon (Lisbon, Portugal)
2018/11/05 Neutron stars: recent achievements and future prospects for the master students at the Astro-tecnologia seminar
Faculty of Science, University of Lisbon (Lisbon, Portugal)
2018/09/28 Probing the neutron stars interior within the realistic equation of state with induced surface tension at the International workshop “Neutron Stars: the equation of state, superconductivity/superfluidity and transport coefficients (PHAROS WG1+WG2 meeting)”
(Coimbra, Portugal)
2018/07/08 Neutron stars: recent highlights and future prospects at the Science and Technology summit in Portugal “Ciência 2018”
Lisbon Congress Center (Lisbon, Portugal)
2018/06/06 Invited seminar “Neutron stars equation of state consistent with nuclear physics, heavy-ion collision experiments and astrophysics” Physics Faculty, University of Coimbra
(Coimbra, Portugal)
2018/05/19 Neutron stars meet constraints from high and low energy nuclear physics at the Quark Matter 2018
(Venice, Italy)
2017/12/14 Probing the neutron stars interior within the realistic equation of state at the Young Scientists Conference “Problems of Theoretical Physics”
(Kyiv, Ukraine)
2017/12/08 Astrophysical objects meet constraints from high and low energy nuclear physics at the 17th Zimanyi Winter School on Heavy Ion Physics
(Budapest, Hungary)
2017/08/29 Neutron stars equation of state consistent with high-energy nuclear physics data at the 6-th International Conference on New Frontiers in Physics (ICNFP2017)
(Kolymbari, Greece)
2017/07/14 Beyond the Van der Waals EoS of hadronic matter at the Mini-Workshop on ”Lattice and Functional Techniques for Exploration of Phase Structure and Transport Properties in Quantum Chromodynamics”
(Dubna, Russia)
2017/03/09 Seminar “Strongly interacting matter equation of state and its application to compact astrophysical objects” at the Centro Multidisciplinar de Astrofi´sica, Instituto Superior Técnico, Universidade de Lisboa
(Lisbon, Portugal)
2016/12/09 Anomalous Thermodynamical Properties as a Possible Signals of Quark-Gluon Plasma Formation at the 16th Zimanyi Winter School on Heavy Ion Physics
(Budapest, Hungary)
2016/11/03 Chemical freeze-out irregularities as an evidence of quark-gluon plasma formation in nucleus-nucleus collisions at the Meeting of the working group on theory of hadronic matter under extreme conditions
(Dubna, Russia)
2016/10/14 Evidences of quark-gluon plasma formation in central nuclear collisions at the 2nd International Conference on Particle Physics and Astrophysics (ICPPA-2016)
(Moscow, Russia)
2016/09/03 Effects of Induced Surface Tension in Nuclear and Hadron Matter at the XII Quark Confinement and Hadron Spectrum Conference
(Thessaloniki, Greece)
2016/07/14 Nuclear and hadron matter equation of state within the induced surface tension coefficient at the 5-th International Conference on New Frontiers in Physics (ICNFP2016)
(Kolymbari, Greece)
2016/06/09 Evidence of the mixed phase formation in nucleus-nucleus collisions at the 25-th Annual Student Conference “Week of Doctoral Students 2016”
(Prague, Czech Republic)
2016/06/09 Geometrical clusterization in SU(2) gluodynamics and liquid-gas phase transition at the 25-th Annual Student Conference “Week of Doctoral Students 2016”
(Prague, Czech Republic)
2016/05/30 Liquid-gas phase transition in SU(2) gluodynamics at the 7-th International Conference “Physics of Liquid Matter: Modern Problems”
(Kyiv, Ukraine)
2015/10/02 New irregularities at chemical freeze-out of hadrons at the International Young Scientists Forum (YSF-2015)
(Kyiv, Ukraine)
2015/07/03 On chemical (non)equilibrium of strange hadrons at freeze-out stage of nuclear-nuclear collisions at the International School of Subnuclear Physics
(Erice, Italy)
2014/12/05 Lambda-anomaly in the hadronic chemical freeze-out at the 14th Zimanyi Winter School on Heavy Ion Physics
(Budapest, Hungary)
2014/11/27 The statistical multifragmentation model for compressible nuclear liquid at the 6-th International Conference ”Physics of Liquid Matter: Modern Problems”
(Kyiv, Ukraine)
2014/11/27 Problem of chemical equilibrium in the hadron resonance gas model at the VI Young Scientists Conference ”Modern Problems of Theoretical Physics”
(Kyiv, Ukraine)
2013/12/27 Chemical freeze-outs of strange and nonstrange hadrons at the V Young Scientists Conference “Modern Problems of Theoretical Physics”
2013/12/27 Strangeness enhancement at the hadronic chemical freeze-out at the V Young Scientists Conference “Modern Problems of Theoretical Physics”
2013/07/28 Bimodality phenomenon in finite and infinite systems within an exactly solvable statistical model at the Helmholtz International Summer School “Physics of Heavy Quarks and Hadrons”
2013/05/24 Bimodality as a signal of the nuclear liquid-gas phase pransition at the International school-seminar “New Physics and Quantum Chromodynamics at External conditions”
2013/03/22 Can bimodality exist without phase transition? at the XI International Interdedisciplinary Scientific Conference “Shevchenkivska vesna 2013”
(Kyiv, Ukraine)
2011/06/10 The primordial abundance determination of 4He, including new data on systematic effects at the “Astroparticle Physics, Gravitation and Cosmology”
(Kyiv, Ukraine)
2011/05/07 The primordial abundance determination of 4He, including new data on systematic effects at the “18th Young Scientists’ Conference on Astronomy and Space Physics”
Taras Shevchenko National University (Kyiv, Ukraine)
2009/05/02 XMM-Newton and Swift x-Ray observations of active galactic nucleus of NGC 4945 at the International Conference “16th Young Scientists’ Conference on Astronomy and Space Physics”
Taras Shevchenko National University (Kyiv, Ukraine)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2023/09/05 - Current Relativistic mean-field approach for nuclear matter with excluded volume of nucleons
Supervisor
Centro de Física da Universidade de Coimbra , Portugal
2023/09/01 - Current Unified equation of state consistent with astrophysical, gravitational, high- and low- energy nuclear physics data and its applications
Co-supervisor
2021/10/01 - Current The effects of dark matter on neutron stars and on their merger dynamics
Co-supervisor
Universidade de Coimbra, Portugal
2021/09/01 - Current Rotochemical heating of hybrid stars
Supervisor
Kyiv National Taras Shevchenko University, Ukraine

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2023 - Current Member of the Organizing Committee at the “Spanish and Portuguese Relativity Meeting (EREP 2024)”, University of Coimbra, Coimbra, Portugal, 22-26 July, 2024. (2023)
Conference (Member of the Organising Committee)
 Centro de Física da Universidade de Coimbra , Portugal
2021/10/01 - Current Organiser of the Journal Club at the Department of Physics, University of Coimbra (2021/10/01) Universidade de Coimbra Centro de Física, Portugal
2023/05/03 - 2023/05/05 Co-chair of the Local Organizing Committee at the “Dark Matter and Stars: Multi-Messenger Probes of Dark Matter and Modified Gravity” conference, Instituto Superior Tecnico, Lisbon, Portugal, May 3 - 5, 2023. (2023/05/03)

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2023/12/08 - Current Royal Astronomical Society Special Discussion Meeting “Science opportunities enabled by next-generation gravitational-wave observatories”
Meeting
Royal Astronomical Society, United Kingdom
2023/11/23 - Current Participant of the outreach round table “Viagem pelo Universo Escuro”, Rómulo Centro de Ciência, Department of Physics, University of Coimbra
Round table
Centro de Física da Universidade de Coimbra , Portugal
2023/11/14 - 2023/11/16 Einstein Telescope Annual Meeting (virtual participation)
Meeting
2023/07/05 - 2023/07/07 Outreach poster “The effects of Dark Matter on Neutron Stars and their merger dynamics” Encontro Ciência 2023, University of Aveiro, Aveiro, Portugal
Congress
2022/06/20 - 2022/06/24 ECT* workshop “Neutron stars as multi-messenger laboratories for dense matter”, Trento, Italy (virtual participation)
Workshop
2021/06/13 - 2021/06/19 The 57 Karpacz Winter School in Theoretical Physics “Equation of state of dense matter and multimessenger astronomy”
2021/03/01 - 2021/04/09 International workshop “Gravitational waves: a new messenger to explore the universe”, Institut Henri Poincaré (virtually through Zoom)
Workshop
Institut Henri Poincaré, France
2021/02/24 - 2021/02/26 PHAROS WG1+WG2 Workshop: neutron star equations of state and transport properties (virtually through Zoom)
Workshop
2020/02/24 - 2020/02/28 The 56 Karpacz Winter School in Theoretical Physics “Superfluidity and Transport for Multimessenger Physics of Compact Stars”, Karpacz, Poland
2019/09/24 - 2019/10/11 International workshop “Multi-Messenger Astrophysics in the Gravitational Wave Era”, Yukawa Institute for Theoretical Physics, Kyoto University
Yukawa Institute for Theoretical Physics, Kyoto University, Japan
2019/08/26 - 2019/09/06 International workshop “Precision Gravity: From the LHC to LISA”, Munich Institute for Astro- and Particle Physics (MIAPP), Garching, Germany
Workshop
2018/12/11 - 2018/12/12 International workshop “Dark matter and stars (IWDMS2018)”, Center for Astrophysics and Gravitation, Instituto Superior Técnico, University of Lisbon, Portugal
Workshop
2018/09/26 - 2018/09/28 International workshop “Neutron Stars: the equation of state, superconductivity/superfluidity and transport coefficients (PHAROS WG1+WG2 meeting)”, University of Coimbra, Portugal
Workshop
2018/04/12 - 2018/04/13 International workshop “Neutron Stars in Lisbon”, Instituto Superior Técnico, Lisbon, Portugal
Workshop
2017/09/11 - 2017/09/15 The 12th Heidelberg Summer School “Compact Objects & Gravitational Waves”, Heidelberg, Germany
2017/05/15 - 2017/05/26 International School “Relativistic Heavy Ion Collisions, Cosmology and Dark Matter, Cancer Therapy”, Oslo, Norway
2015/09/02 - 2015/09/15 CERN European School of High-energy Physics, Bansko, Bulgaria
2015/06/24 - 2015/07/03 International School of Subnuclear Physics, Erice, Italy
2013/09/29 - 2013/10/04 Ecole Joliot Curie school “A colourful journey: from Hadrons to Quark-Gluon Plasma”, Frejus, France
2013/09/09 - 2013/09/13 Student School-Practice on High Energy Physics Lattice QCD and QCD Phenomenology, Kyiv, Ukraine
2013/07/15 - 2013/07/28 Helmholtz International Summer School “Physics of Heavy Quarks and Hadrons”, Dubna, Russia
2012/08/28 - 2012/09/08 Helmholtz International Summer School “Dense Matter in Heavy-Ion Collisions and Astrophysics”, Dubna, Russia, August 28 - September 8, 2012.
2011/07/24 - 2011/08/02 Helmholtz International Summer School “Nuclear Theory and Astrophysical Applications”, Dubna, Russia

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2023/09/23 Master thesis defense entitled The Four Gluon Vertex from Lattice Quantum Chromodynamics
President of the jury
 Manuel Francisco Silvério Carrilho Colaço (Master)
Centro de Física da Universidade de Coimbra , Portugal
2023/03/31 Jury member of the Ph.D. thesis defence of Lami Suleiman at the Nicolaus Copernicus Astronomical Center (CAMK), Warsaw, Poland Lami Suleiman (PhD)
2023/03/31 Jury member of the Ph.D. thesis defense of Lami Suleiman at the Nicolaus Copernicus Astronomical Center (CAMK), Warsaw, Poland Lami Suleiman (PhD)
Nicolaus Copernicus Astronomical Center (CAMK), Poland

Association member

Society Organization name Role
2023/09/01 - Current Member of the LISA Collaboration and the head of the Coimbra LISA group
2021 - Current Head of the Einstein Telescope Coimbra research unit. Member of the Einstein Telescope Collaboration (division 4 - Multi-Messenger Observations and division 6 -Nuclear Physics)
2020 - Current Member of the Square Kilometre Array (SKA) telescope collaboration (Pulsars Working Group)

Conference scientific committee

Conference name Conference host
2019/09/12 - 2019/09/13 The XIX National Meeting of Astronomy and Astrophysics (ENAA) CENTRA, Instituto Superior Tecnico
2018/12/11 - 2018/12/12 The International workshop “Dark matter and stars (IWDMS2018)” CENTRA, Instituto Superior Tecnico
2017/07/17 - 2017/07/29 The 6-th International Conference on New Frontiers in Physics (ICNFP2017) OAC
2016/08/29 - 2016/09/04 The XII Quark Confinement and Hadron Spectrum Conference Makedonia Palace conference centre
2016/07/06 - 2016/07/14 The 5-th International Conference on New Frontiers in Physics (ICNFP2016) OAC
2014/11/25 - 2014/11/27 The VI International Conference “Modern problems of Theoretical Physics” Bogolyubov Institute for Theoretical Physics
2013/12/24 - 2013/12/27 The V International Conference “Modern problems of Theoretical Physics” Bogolyubov Institute for Theoretical Physics
2013/09/09 - 2013/09/13 School-Practice on High Energy Physics “Lattice QCD and QCD Phenomenology” Bogolyubov Institute for Theoretical Physics

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2022/02/14 - Current Lecturer of the theoretical and practical classes of the course Topics of the Modern Astrophysics (02011367), for MS students, since 2021-on, Department of Physics, University of Coimbra, Portugal (Curso de mestrado (conclusão do curso de especialização)) Universidade de Coimbra, Portugal
2020/10/26 - Current Invited outreach talk: How to organise a conference with indico platform (Mestrado integrado) Instituto Superior Técnico Departamento de Física, Portugal
2020/04/07 - Current Invited outreach talk: How to organise a conference with indico platform (Mestrado integrado) Instituto Superior Técnico Departamento de Física, Portugal
2019/11 - Current Lecturer of the course “Astrophysics Laboratory (LA577)”, 1 Semester 2019/2020 Astrophysics Laboratory (LA577) (Mestrado integrado) Instituto Superior Técnico Departamento de Física, Portugal
2019/10/28 - Current Invited outreach talk “How to organise a conference with indico platform” master students Instituto Superior Técnico Departamento de Física, Portugal
2021/11/01 - 2022/02/10 Lecturer of the course “Compact Stars (03005900)”, for the PhD students, 1 Semester 2021/2022 (Curso de doutoramento (conclusão de unidades curriculares)) Universidade de Coimbra Centro de Física, Portugal
2020 - 2021 Lecturer of the course Compact Stars (03005900) Compact Stars (Doutoramento) Universidade de Coimbra Centro de Física, Portugal
2019/11 - 2020/01 Lecturer of the course “Compact Stars (03005900)”, for the PhD students Compact Stars (Doutoramento) Universidade de Coimbra Centro de Física, Portugal
2020 - 2020 Lecturer of the course “Astrophysics Laboratory (LA577) Astrophysics Laboratory (Mestrado integrado) Instituto Superior Técnico Departamento de Física, Portugal
2019 - 2020 Lecturer of the course Compact Stars (03005900) PhD students (Doutoramento) Universidade de Coimbra Centro de Física, Portugal
2018/09 - 2018/12 the course “Astrophysics Laboratory (MEFT)”, 1 Semester 2018/2019 Astrophysics Laboratory (Mestrado integrado) Instituto Superior Técnico Departamento de Física, Portugal

Evaluation committee

Activity description
Role 		Institution / Organization Funding entity
2018/06 - Current Jury member of the master theses defense
Evaluator
 Universidade de Lisboa Centro Multidisciplinar de Astrofísica, Portugal

Interview (tv / radio show)

Program Topic
2023 - Current Video about the research group and project

Journal scientific committee

Journal title (ISSN) Publisher
2023 - Current Astrophysical Journal
2023 - Current European Physical Journal A
2023 - Current Monthly Notices of the Royal Astronomical Society
2023 - Current Physics Reports
2022 - Current Physical Review D
2021 - Current Ukrainian Journal of Physics
2021 - Current Particles MDPI
2021 - Current Universe MDPI
2020 - Current Particles MDPI
2019 - Current Universe MDPI

Mentoring / Tutoring

Topic Student name
2023/09/01 - 2023/09/06 Invited lecturer of the advanced courses “Physics and Astrophysics of Neutron Stars” and “Multi-Messenger Astrophysics” at the 11th School of Astrophysics and Gravitation (SAG11), Instituto Superior Tecnico, Portugal Master students

Other jury / evaluation

Activity description Institution / Organization
2019/01/21 - Current Jury member of the master theses defense Universidade de Lisboa Centro Multidisciplinar de Astrofísica, Portugal
2018/12/13 - Current Jury member of the master theses defense Universidade de Lisboa Centro Multidisciplinar de Astrofísica, Portugal

Scientific expedition

Activity description Institution / Organization
2023/09/29 - Current https://www.uc.pt/fctuc/df/noticias/investigadores-do-centro-de-fisica-da-universidade-de-coimbra-estudam-a-natureza-da-materia-escura/ Universidade de Coimbra Centro de Física, Portugal
Distinctions

Award

2019 Best talk “Dark-matter admixed compact stars and their properties under extreme conditions” at the Young Scientists Conference “Problems of Theoretical Physics”, Kyiv, Ukraine, 23 - 24 December
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
2018 Nuclear Physics A Young Scientist Award for the best theory talk “Neutron stars meet constraints from high and low energy nuclear physics” at Quark Matter 2018, Venice, Italy, May 13 - 19, 2018
organizing committee of the "Quark Matter 2018" conference, Italy
2017 Winner of Ukraine Presidential Scholarship for young scientists
Prezident Ukraini, Ukraine
2017 Best talk “Probing the neutron stars interior within the realistic equation of state” at the Young Scientists Conference “Problems of Theoretical Physics”, Kyiv, Ukraine, December 12 - 14, 2017
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
2015 Eugene P. Wigner diploma for the best “New Talents” contribution “On chemical (non)equilibrium of strange hadrons at freeze-out stage of nuclear-nuclear collisions”
The International School of Subnuclear Physics “53rd Course: The future of our physics including new frontier”, Italy
2015 First Prize for the presentation “New Irregularities at Chemical Freeze-out of Hadrons” in the Nuclear and Plasma Physics Section on The International Young Scientists Forum (YSF-2015)
Dniprovs'kij nacional'nij universitet imeni Olesa Goncara, Ukraine
2015 Best paper of the year in Phys. Part. Nucl. Lett. journal. for the article “Thermodynamically anomalous regions as a mixed phase signal” published in Phys. Part. Nucl. Lett. 12, No 2, pp. 238 - 245 (2015)
Editorial board of the Physics of Particles and Nuclei Letters journal, Russia
2014 Prize of the V. P. Shelest Fund for young scientists for work “The statistical multifragmentation model for liquid-gas phase transition with a compressible nuclear liquid ”
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
2014 Prize of the V. P. Shelest Fund for young scientists for work “Realistic models of the hadron-nuclear interaction and strongly interaction matter properties under the extream conditions ”
Institut teoreticnoi fiziki imeni M M Bogolubova Nacional'na akademia nauk Ukraini, Ukraine
2013 CERN scholarship for the best PhD students
European Organization for Nuclear Research, Switzerland