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Articles in Journals

  1. E. Giangrandi, A. Ávila, V. Sagun, O. Ivanytskyi, C. Providência, The impact of asymmetric dark matter on the thermal evolution of nucleonic and hyperonic compact stars; Particles, 7(1), 179 (2024), Preprint arXiv:2401.03295 [astro-ph.HE] (2024) 21 p.

  2. A. Ávila, E. Giangrandi, V. Sagun, O. Ivanytskyi, C. Providência, Rapid neutron star cooling triggered by dark matter; Mon. Not. R. Astron. Soc., 528, 6319 (2024),  Preprint arXiv:2309.03894 [astro-ph.HE] (2023) 11 p.

  3. V. Sagun, E. Giangrandi, T. Dietrich, O. Ivanytskyi, R. Negreiros, C. Providência, What is the nature of the HESS J1731-347 compact object?  Astrophys. J. 958, 49 (2023); Preprint arXiv: 2306.12326 [astro-ph.HE] (2023) 9 p.

  4. C. Gärtlein, O. Ivanytskyi, V. Sagun, D. Blaschke, Probing hybrid stars and the properties of the special points with radial oscillations; Phys. Rev. D, 108, 114028 (2023); Preprint arXiv:2301.10765 [nucl-th] (2023) 11 p.

  5. H. R. Rüter, V. Sagun, W. Tichy, T. Dietrich, Quasi-equilibrium configurations of binary systems of dark matter admixed neutron stars; Phys. Rev. D, 108, 124080 (2023); Preprint arXiv:2301.03568 [gr-qc] (2023) 13 p.

  6. E. Giangrandi, V. Sagun, O. Ivanytskyi, C. Providência, T. Dietrich, The effect of self-interacting bosonic dark matter on neutron star properties; Astrophys. J. 953, 1, 115 (2023); Preprint arXiv:2209.10905 [astro-ph.HE] (2022) 14 p.

  7. V. S. Kucherenko, K. A. Bugaev, V. Sagun, O. Ivanytskyi, Statistical multifragmentation model within the extended morphological thermodynamics approach Ukr. J. Phys. 67, No. 9, p. 639 (2022); Preprint arXiv: 2106.09838 [nucl-th] (2021) 6 p.

  8. M. Emma, F. Schianchi, Francesco, F. Pannarale, V. Sagun, T. Dietrich, Numerical simulations of dark matter admixed neutron star binaries, Particles, 5, 273 (2022); Preprint arXiv:2206.10887 [gr-qc] (2022) 15 p.

  9. O. V. Vitiuk, V. M. Pugatch, K. A. Bugaev, N. S. Yakovenko, P. P. Panasiuk, E. S. Zherebtsova, V. M.
    Dobishuk, S. B. Chernyshenko, B. E. Grinyuk, V. Sagun, O. Ivanytskyi, Colliding and Fixed Target mode in a single experiment - a novel approach to study the matter under new extreme conditions, Particles, 5, 245 (2022).

  10. D. R. Karkevandi, S. Shakeri, V. Sagun, O. Ivanytskyi, Bosonic dark matter in neutron stars and its effect on gravitational wave signal, Phys. Rev. D 105, 023001 (2022); Preprint arXiv:2109.03801 [astro-ph.HE] (2021) 18 p.

  11. K. A. Bugaev, O. V. Vitiuk, B. E. Grinyuk, P. P. Panasiuk, N. S. Yakovenko, E. S. Zherebtsova, V. V. Sagun, O. I. Ivanytskyi, L. V. Bravina, D. B. Blaschke, S. Kabana, S. V. Kuleshov, A. V. Taranenko, E. E. Zabrodin and G. M. Zinovjev, Induced surface and curvature tension equation of state for hadron resonance gas in finite volumes and its relation to morphological thermodynamics, submitted to the Intern. J. Mod. Phys. A 36, 34n35, 2141009 (2021); Preprint 2104.05351 [hep-ph] (2021) 24 p.

  12. D. Blaschke, L. Bravina, K. Bugaev, G. R. Farrar, B. Grinyuk, O. Ivanytskyi, S. Kabana, S. V. Kuleshov, I. K. Potashnikova, V. Sagun, A. Taranenko, O. V. Vitiuk, E. Zabrodin, X. Zhang, D. Zhou, Thermal production of sexaquarks in heavy-ion collisions, Intern. J. Mod. Phys. A 36, 2141005 (2021).

  13. B. E. Grinyuk, K. A. Bugaev, V. V. Sagun, O. I. Ivanytskyi, D. L. Borisyuk, A. S. Zhokhin, G. M. Zinovjev, D. B. Blaschke, L. V. Bravina, E. E. Zabrodin, E. G. Nikonov, G. Farrar, S. Kabana, S. V. Kuleshov, A. V. Taranenko, Classical excluded volume of loosely bound light (anti) nuclei and their chemical freeze-out in heavy ion collisions, Intern. J. Mod. Phys. E 29, 2040009 (2020); Preprint arXiv:2004.05481 [hep-ph] (2020) 15 p.

  14. K. A. Bugaev, O. V. Vitiuk, B. E. Grinyuk, V. V. Sagun, N. S. Yakovenko, O. I. Ivanytskyi, G. M. Zinovjev, D. B. Blaschke, E. G. Nikonov, L. V. Bravina, E. E. Zabrodin, S. Kabana, S. V. Kuleshov, G. R. Farrar, E. S. Zherebtsova, A. V. Taranenko, Second virial coefficients of light nuclear clusters and their chemical freeze-out in nuclear collisions, Eur. Phys. J. A 56, 293 (2020); Preprint arXiv:2005.01555 [nucl-th] (2020) 13 p.

  15. S. Tsiopelas, V. Sagun, Neutron star cooling within the equation of state with induced surface tension,
    Particles, 3, 693 (2020); Preprint arXiv:2006.06351 [astro-ph.HE] (2020) 10 p.

  16. O. Ivanytskyi, V. Sagun, I. Lopes, Neutron stars: New constraints on asymmetric dark matter, Phys. Rev. D, 102, 063028 (2020); Preprint arXiv: 1910.09925 [astro-ph.HE] (2019) 6 p.

  17. V. Sagun, G. Panotopoulos, I. Lopes, Asteroseismology: radial oscillations of neutron stars with realistic equation of state, Phys. Rev. D, 101, 063025 (2020); Preprint arXiv:2002.12209 [astro-ph.HE] (2020) 10 p.

  18. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun, B. E. Grinyuk, D. O. Savchenko, G. M. Zinovjev, E. G. Nikonov, L. V. Bravina, E. E. Zabrodin, D. B. Blaschke, A. V. Taranenko, L. Turko, Hard-core Radius of Nucleons within the Induced Surface Tension Approach, Universe, 5(2), 63 (2019).

  19. O. Ivanytskyi, M. Ángeles Pérez-Garcı́a, V. Sagun, and C. Albertus, A second look to the Polyakov Loop Nambu-Jona-Lasinio model at finite baryonic density, Phys. Rev. D, 100, 103020 (2019); Preprint arXiv: 1909.07421 [hep-ph] (2019) 10 p.

  20. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, On relation between bulk, surface and curvature parts of nuclear binding energy within the model of hexagonal clusters, Phys. Part. Nucl. Lett., 16, 6, pp. 671-680 (2019); Preprint arXiv: 1904.05955 [nucl-th] (2019) 13 p.

  21. V. V. Sagun, I. Lopes, A. I. Ivanytskyi, The induced surface tension contribution for the equation of state of neutron stars, Astroph. J. 871, 157 (2019); Preprint arXiv: 1805.04976v3 [astro-ph.HE] (2018) 7 p.

  22. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, I. P. Yakimenko, E. G. Nikonov, A.V. Taranenko, C. Greiner, D. B. Blaschke, G. M. Zinovjev, Hadron Resonance Gas Model with Induced Surface Tension, Eur. Phys. J. A 54, No 6, pp. 16 (2018); Preprint arXiv: 1703.00049 [hep-ph] (2017) 21 p.

  23. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun, E. G. Nikonov, G. M. Zinovjev, Equation of State of Quantum Gases Beyond the Van der Waals Approximation, Ukr. J. Phys. 63, No. 10, pp. 863-880 (2018); Preprint arXiv: 1704.06846 [nucl-th] (2017) 8 p.

  24. A. I. Ivanytskyi, K. A. Bugaev, V. V. Sagun, L.V. Bravina, E. E. Zabrodin, Influence of flow constraints on the properties of the critical endpoint of symmetric nuclear matter, Phys. Rev. C 97 064905 (2018); Preprint arXiv: 1710.08218 [nucl-th] (2017) 8 p.

  25. K. A. Bugaev, R. Emaus, V. V. Sagun, A. I. Ivanytskyi, L. V. Bravina, D. B. Blaschke, E. G. Nikonov, A. V. Taranenko, E. E. Zabrodin, G. M. Zinovjev, Threshold Collision Energy of the QCD Phase Diagram
    Tricritical Endpoint, Phys. Part. Nucl. Lett. 15 3 pp. 210-224 (2018); Preprint arXiv: 1709.05419 [hep-ph]  (2017) 21 p.

  26. K. A. Bugaev, V. V. Sagun, A. I. Ivanytskyi, I. P. Yakimenko, E. G. Nikonov, A.V. Taranenko, G. M. Zinovjev, Going beyond the second virial coefficient in the hadron resonance gas model, Nucl. Phys. A 970 pp. 133-155 (2018).

  27. V. V. Sagun, I. Lopes, Neutron stars: A novel equation of state with induced surface tension, Astroph. J. 850 75 (2017); Preprint arXiv: 1709.07898 [astro-ph] (2017) 6 p.

  28. A. I. Ivanytsky, K. A. Bugaev, E. G. Nikonov, E.-M. Ilgenfritz, D. R. Oliinychenko, V. V. Sagun, I. N.
    Mishustin, V. K. Petrov, G. M. Zinovjev, Physical properties of Polyakov loop geometrical clusters in SU(2) gluodynamics, Nucl. Phys. A 960 pp. 90-113 (2017); Preprint arXiv:1606.04710 [hep-lat] (2016) 32 p.

  29. K. A. Bugaev, D. R. Oliinychenko, V. V. Sagun, A. I. Ivanytskyi, J. Cleymans, E.S. Mironchuk, E. G.
    Nikonov, A. V. Taranenko, G. M. Zinovjev, Separate chemical freeze-outs of strange and non-strange hadrons and problems of residual chemical non-equilibrium of strangeness in relativistic heavy ion collisions, Ukr. J. Phys. 61, No. 8, pp. 659 - 673 (2016); Preprint arXiv:1610.03269 [nucl-th] (2016) 9 p.

  30. K. A. Bugaev, V. V. Sagun, A. I. Ivanytskyi, D. R. Oliinychenko, E.-M. Ilgenfritz, E. G. Nikonov, A. V.
    Taranenko, G. M. Zinovjev, New signals of quark-gluon-hadron mixed phase formation, Eur. Phys. J. A 52, No 8, pp. 227 - 233 (2016); Preprint arXiv:1510.03099 [nucl-th] (2015) 14 p.

  31. K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, V. V. Sagun, I. N. Mishustin, D. H. Rischke, L. M.
    Satarov, G. M. Zinovjev, Thermodynamically Anomalous Regions and Possible New Signals of Mixed Phase Formation, Eur. Phys. J. A 52, No 6, pp. 175 - 189 (2016); Preprint arXiv:1412.0718 [nucl-th] (2014) 35 p.

  32. K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, E. G. Nikonov, V. V. Sagun and G. M. Zinovjev,
    Non-smooth chemical freeze-out and apparent width of wide resonances and quark gluon bags in a thermal environment, Ukr. J. Phys. 60, No 3, pp. 181 - 200 (2015); Preprint arXiv:1312.4367 [nucl-th] (2013) 21 p.

  33. K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, V. V. Sagun, I. N. Mishustin, D. H. Rischke, L. M.
    Satarov and G. M. Zinovjev, Thermodynamically anomalous regions as a mixed phase signal, Phys. Part. Nucl. Lett. 12, No 2, pp. 238 - 245 (2015); Preprint arXiv:1405.3575 [hep-ph] (2014) 15 p.

  34. D. R. Oliinychenko, V. V. Sagun, A. I. Ivanytskyi and K.A. Bugaev, Separate chemical freeze-out of strange particles with conservation laws, Ukr. J. Phys. 59, No 11, pp. 1051 - 1059 (2014); Preprint arXiv:1403.5744 [hep-ph] (2014) 9 p.

  35. V. V. Sagun, D. R. Oliinychenko, K. A. Bugaev, J. Cleymans, A. I. Ivanytskyi, I. N. Mishustin and E.G.
    Nikonov, Strangeness enhancement at the hadronic chemical freeze-out , Ukr. J. Phys. 59, No 11, pp. 1043-1050 (2014); Preprint arXiv:1403.6311 [hep-ph] (2014) 7 p.

  36. V. V. Sagun, Λ-anomaly in the hadronic chemical freeze-out , Ukr. J. Phys. 59, No 8, pp. 755 - 763 (2014); Preprint arXiv:1408.6110 [hep-ph] (2014) 9 p.

  37. V. V. Sagun, A. I. Ivanytskyi, K. A. Bugaev and I. N. Mishustin, The statistical multifragmentation model for liquid-gas phase transition with a compressible nuclear liquid, Nucl. Phys. A 924, pp. 24-46 (2014); Preprint arXiv:1306.2372 [nucl-th] 22 p.

  38. K. A. Bugaev, D. R. Oliinychenko, J. Cleymans, A. I. Ivanytskyi, I. N. Mishustin, E. G. Nikonov and V. V.
    Sagun, Chemical freeze-out of strange particles and possible root of strangeness suppression, Europhys. Lett. 104, 22002, pp. 1 - 6 (2013); Preprint arXiv:1308.3594 [hep-ph] 6p.

  39. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun and D. R. Oliinychenko, Is bimodality a sufficient condition for a first order phase transition existence?, Phys. Part. Nucl. Lett. 10, No 6, pp. 832 - 851 (2013); Preprint arXiv:1306.2481 [nucl-th] 22 p.

  40. V. V. Sagun, Y. I. Izotov, Pregalactic 4 He abundance with new data on systematic errors in its determination, Kinematics and Physics of Celestial Bodies 28, No. 3, pp. 3 - 19 (2012).

  41. V. V. Sagun, O. V. Fedorova, Properties of the NGC 4945 active galactic nucleus X-ray radiation based on two XMM-Newton observations, T. Shevchenko National University Herald 10-11 pp. 87 - 90 (2011).

Proceedings

  1. V. Sagun, E. Giangrandi, O. Ivanytskyi, C. Providência, T. Dietrich, How does dark matter affect compact star properties and high density constraints of strongly interacting matter, EPJ Web Conf. 274, 07009 (2022), Proceedings of the 15th Quark Confinement and the Hadron Spectrum Conference (QConf), Preprint arXiv: 2211.10510 [astro-ph.HE] (2022) 8 p.

  2. V. Sagun, E. Giangrandi, O. Ivanytskyi, I. Lopes, K. A. Bugaev, Constraints on the fermionic dark matter from observations of neutron stars, Proceedings of Science (PoS), PANIC2021, 313 (2022), Proceedings of the Particles and Nuclei International Conference (PANIC2021), 5-10 September, 2021.

  3. D. R. Karkevandi, S. Shakeri, V. Sagun, O. Ivanytskyi, Tidal deformability as a probe of dark matter in neutron stars, Accepted in the IJMPD (2022), Proceedings of the Sixteenth Marcel Grossmann Meeting - MG16, 5-10 July, 2021. Preprint arXiv: 2112.14231 [astro-ph.HE] (2021) 19 p.

  4. S. Tsiopelas, V. Sagun, Thermal evolution of neutron stars described within the equation of state with induced surface tension, Astronomische Nachrichten 342, 332 (2021), Proceedings of the IWARA2020 Video Conference - 9th International Workshop on Astronomy and Relativistic Astrophysics, 6-12 September, 2020.

  5. K. A. Bugaev, O. V. Vitiuk, B. E. Grinyuk, N. S. Yakovenko, E. S. Zherebtsova, V. V. Sagun, O. I. Ivanytskyi, D. O. Savchenko, L. V. Bravina, D. B. Blaschke, G. R. Farrar, S. Kabana, S. V. Kuleshov, E. G. Nikonov, A. V. Taranenko, E. E. Zabrodin, G. M. Zinovjev, Chemical freeze-out of light nuclei in high energy nuclear collisions and resolution of the hyper-triton chemical freeze-out puzzle, J. Phys.: Conf. Ser. 1690, 012123 (2020), Proceedings of the 5th International Conference on Particle Physics and Astrophysics (ICPPA-2020), 5-9 October 2020, Moscow, Russian Federation.

  6. K. A. Bugaev, B. E. Grinyuk, A. I. Ivanytskyi, V. V. Sagun, D. O. Savchenko, G. M. Zinovjev, E. G. Nikonov, L. V. Bravina, E. E. Zabrodin, D. B. Blaschke, S. Kabana, A. V. Taranenko, On separate chemical freeze-outs of hadrons and light(anti)nuclei in high energy nuclear collisions, J. Phys.: Conf. Ser. 1390, 012038 (2019), Proceedings of the 4th International Conference on Particle Physics and Astrophysics (ICPPA-2018), 22-26 October, 2018, Moscow, Russian Federation; Preprint arXiv: 1812.02509 [hep-ph] (2018) 6 p.

  7. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun, B. E. Grinyuk, D. O. Savchenko, G. M. Zinovjev, E. G. Nikonov, L. V. Bravina, E. E. Zabrodin, D. B. Blaschke, S. Kabana, A. V. Taranenko, Possible signals of two QCD phase transitions at NICA-FAIR energies, EPJ Web Conf. 204, 03001 (2019).

  8. V. Sagun, I. Lopes, A. Ivanytskyi, Neutron stars meet constraints from high and low energy nuclear physics, Proceedings of the ‘XXVIIth International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (Quark Matter 2018)’, 13 - 19 May 2018, Venice, Italy, 2018, NPA 982 pp. 883-886 (2019).

  9. K. A. Bugaev, R. Emaus, V. V. Sagun, A. I. Ivanytskyi, L. V. Bravina, D. B. Blaschke, E. G. Nikonov, A. V. Taranenko, E. E. Zabrodin, G. M. Zinovjev, Evidence of the QCD tricritical endpoint existence at NICA-FAIR energies, KnE Energ. Phys. 3 pp. 313-319 (2018), Preprint arXiv: 1711.07283 [nucl-th] (2017) 5 p.

  10. K. A. Bugaev, V. V. Sagun, A. I. Ivanytskyi, E. G. Nikonov, J. Cleymans, I. N. Mishustin, G. M. Zinovjev, L. V. Bravina and E. E. Zabrodin, Separate freeze-out of strange particles and the quark-hadron phase transition, Proceedings of the ’6th International Conference on New Frontiers in Physics (ICNFP 2017)’, 17-29 August 2017, Kolymbari, Crete, EPJ Web of Conferences 182 02057 (2018).

  11. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun, G. M. Zinovjev, E. G. Nikonov, R. Emaus, L. V. Bravina, E. E. Zabrodin, and A. V. Taranenko, Probing the tricritical endpoint of QCD phase diagram at NICA-FAIR
    energies, Proceedings of the ’6th International Conference on New Frontiers in Physics (ICNFP 2017)’, 17-29 August 2017, Kolymbari, Crete, EPJ Web of Conferences 182 02021 (2018).

  12. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, and I. N. Mishustin, Nuclear and hadron matter equation of state within the induced surface tension approach, Proceedings of the ’5th International Conference on New Frontiers in Physics (ICNFP 2016)’, 6-14 July 2016, Kolymbari, Crete, EPJ Web of Conferences 164 07022 (2017).

  13. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, I. N. Mishustin, Effects of Induced Surface Tension in Nuclear and Hadron Matter, Proceedings of the International Conference ’XII Quark Confinement and the Hadron Spectrum’ (CONF12), 29 August - 3 September 2016, Thessaloniki, Greece, EPJ Web of Conferences 137 09007 (2017), Preprint arXiv:1611.07071 [nucl-th] (2016) 8 p.

  14. A. Ivanytskyi, K. Bugaev, E. Nikonov, E-M Ilgenfritz, D. Oliinychenko, V. Sagun, I. Mishustin, G Zinovjev, V. Petrov, Geometrical clusterization and deconfinement phase transition in SU(2) gluodynamics, Proceedings of the International Conference ’XII Quark Confinement and the Hadron Spectrum’ (CONF12), 29 August - 3 September 2016, Thessaloniki, Greece, EPJ Web of Conferences 137 07010 (2017) 9 p.

  15. A. Ivanytskyi, K. Bugaev, E. Nikonov, E-M Ilgenfritz, D. Oliinychenko, V. Sagun, I. Mishustin, V. Petrov, G. Zinovjev, Geometrical clusterization of Polyakjov loops in SU(2) lattice gluodynamics, Proceedings of the International Conference on Particle Physics and Astrophysics (ICPPA), 10-14 October 2016, Moscow, Russian Federation, Journal of Physics: Conf. Series 798 012065 (2017) 6 p.

  16. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, and D. R. Oliinychenko, Evidences of quark-gluon plasma
    formation in central nuclear collisions, Proceedings of the International Conference on Particle Physics and Astrophysics (ICPPA), 10-14 October 2016, Moscow, Russian Federation, Journal of Physics: Conf. Series 798 012057 (2017) 5 p.

  17. A. I. Ivanytskyi, K. A. Bugaev, V. V. Sagun, D. R. Oliinychenko, Geometrical Clusterization in SU(2)
    gluodynamics and Liquid-gas Phase Transition, WDS16 Proceedings of Contributed Papers Physics (eds. J. Šafránková and J. Pavlu̇), Prague, Matfyzpress, pp. 59-65; Preprint arXiv:1611.07569 [nucl-th] (2016) 6 p.

  18. V. V. Sagun, K. A. Bugaev, A. I. Ivanytskyi, D. R. Oliinychenko, Evidence of the mixed phase formation in nucleus-nucleus collisions, WDS16 Proceedings of Contributed Papers Physics (eds. J. Šafránková and J. Pavlu̇), Prague, Matfyzpress, pp. 53-58; Preprint arXiv:1611.09217 [nucl-th] (2016) 6 p.

  19. K. A. Bugaev, A. I. Ivanytskyi, V. V. Sagun, G. M. Zinovjev, D. R. Oliinychenko, V. S. Trubnikov and E. G. Nikonov, A possible evidence of observation of two mixed phases in nuclear collisions, EPJ Web of
    Conferences 126, 03003 (2016); Preprint arXiv:1511.06698 [nucl-th] (2015) 11 p.

  20. V. V. Sagun, A. I. Ivanytskyi, K. A. Bugaev and D. R. Oliinychenko, Bimodality Phenomenon in Finite and Infinite Systems Within an Exactly Solvable Statistical Model, Proceedings of the Helmholtz International Summer School 'Physics of Heavy Quarks and Hadrons’, 15-28 July 2013, Dubna, Russia, DESY-PROC-2013-03, pp. 269 - 273; Preprint arXiv:1311.7042 [nucl-th] (2013) 5 p.

  21. V. V. Sagun, A. I. Ivanytskyi, D. R. Oliinychenko and K. A. Bugaev, Bimodality as a signal of the nuclear liquid-gas phase transition, Proceedings of the International School-seminar ’New Physics and Quantum Chromodynamics at external Conditions’, 22-24 May 2013, Dnipropetrovsk, Ukraine, pp. 78 - 81; Preprint arXiv:1401.2881 [nucl-th] (2014) 4p.

  22. V. V. Sagun, A. I. Ivanytskyi, D. R. Oliinychenko and K. A. Bugaev, Can bimodality exist without phase
    transition?, Proceedings of the XI International Scientific Conference of Students and Young Scientists
    'Shevchenkivska Vesna 2013’, 18-22 March 2013, Kyiv, Ukraine, pp. 160 - 164; Preprint arXiv:1304.5997 [nucl-th] 4 p.

  23. V. V. Sagun, A. I. Ivanytskyi, D. R. Oliinychenko and K. A. Bugaev, Adiabatic Chemical Freeze-out and
    Wide Resonance Modification in a Thermal Medium, PoS Baldin ISHEPP XXI (2012) 017, pp. 1 - 14;
    Preprint arXiv:1212.0132 [hep-ph], 11p.

  24. V. V. Sagun and O. V. Fedorova, XMM-Newton Observations of Active Galactic Nucleus of NGC 4945,
    Proceedings of 18th Annual Conference of Doctoral Students "Week of Doctoral Students 2009” (Prague, Czech Republic, June 2 - 5, 2009): Edited by J. Šafránková and J. Pavlu̇, Part III, Physics, pp. 59-64.

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