Gorkavenko V. The search for manifestations of particles and topological string-like objects beyond the Standard Model

Українська версія

Thesis for the degree of Doctor of Science (DSc)

State registration number

0524U000037

Thesis Registration Form

0524U000037.pdf

Applicant for

Specialization

  • 01.04.02 - Теоретична фізика

13-02-2024

Specialized Academic Board

Д.26.191.01

М.М.Bogolyubov Institute of Theoretical Physics of the National Academy of Sciences of Ukraine

Essay

The present work is dedicated to exploring physics beyond the Standard Model of particle physics (SM) at different energy scales. It examines various aspects of potential experimental manifestations of particles beyond the Standard Model of the scalar, neutrino, and Chern-Simons extensions of the SM at energy scales available for modern accelerators. Possible manifestations of topological objects in the form of cosmic strings with "magnetic" field of gauge group UX(1), which could have formed due to phase transitions in the early Universe at energy scales significantly exceeding the capabilities of modern accelerators, were also considered. Specifically, quantum effects in the vacuum state of scalar and fermion fields in the presence of a cosmic "magnetic" string, modeled as an impermeable for the fields of matter tube of finite radius with "magnetic" field were considered. The employed model allows for a comprehensive examination of quantum effects in the vacuum of the matter fields in the most general case, irrespective of the specific nature of cosmic string formation. Quantum effects lead to the appearance of the vacuum current of the matter field around the cosmic string. If you assume that the matter field is also charged with respect to the electromagnetic group, then the corresponding current of electrically charged particles will create around the cosmic string a magnetic field, the manifestations of which can be sought from observations. Other effects of vacuum polarization can also be observed.Key words: Beyond Standard Model, rare decays of mesons, scalar extension of Standard Model, heavy neutral leptons, extensions of gauge sector, Chern– Simons theories, topological defects, cosmic string, vacuum polarization, Casimir effect, Aharonov–Bohm effect.

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Research papers

1. V.M. Gorkavenko, Yu.A. Sitenko, O.B. Stepanov, Polarization of the vacuum of a quantized scalar field by an impenetrable magnetic vortex of finite thickness, J. Phys. A: Math. Theor. 43(17), 175401 (12 pages) (2010). doi: 10.1088/1751-8113/43/17/175401 (Scopus, Q1)

2. V.M. Gorkavenko, S.I. Vilchynskiy, Some constraints on the Yukawa parameters in the neutrino modification of the Standard Model (𝜈MSM) and CP-violation, Eur. Phys. J. C 70(4), 1091-1098 (2010). doi: 10.1140/epjc/s10052-010-1488-y (Scopus, Q1)

3. V.M. Gorkavenko, Yu.A Sitenko, O.B. Stepanov, Vacuum energy induced by an impenetrable flux tube of finite radius, Intern. J. Mod. Phys. A 26(22), 3889-3899 (2011). doi: 10.1142/S0217751X11054346 (Scopus, Q2)

4. V.M. Gorkavenko, Yu.A. Sitenko, O.B. Stepanov, Casimir energy and force induced by an impenetrable flux tube of finite radius, Intern. J. Mod. Phys. A 28(31), 1350161 (17 pages) (2013). doi: 10.1142/S0217751X13501613 (Scopus, Q2)

5. V.M. Gorkavenko, I.V. Ivanchenko, Yu.A. Sitenko, Induced vacuum current and magnetic field in the background of a vortex, Intern. J. Mod. Phys. A 31(06), 1650017 (11 pages) (2016). doi: 10.1142/S0217751X16500172 (Scopus, Q1)

6. Yu.A. Sitenko, V.M. Gorkavenko, Induced vacuum magnetic flux in quantum spinor matter in the background of a topological defect in two-dimensional space, Phys. Rev. D 100(8), 085011 (36 pages) (2019). doi:10.1103/PhysRevD.100.085011 (Scopus, Q1)

7. Boiarska, K. Bondarenko, A. Boyarsky, V. Gorkavenko, M. Ovchynnikov, A. Sokolenko, Phenomenology of GeV-scale scalar portal, J. High Energ. Phys. 2019(11), 1-45 (2019). doi: 10.1007/JHEP11(2019)162 (Scopus, Q2)

8. V.M. Gorkavenko, Y.R. Borysenkova, M.S. Tsarenkova, Production of GeV-scale heavy neutral leptons in three-body decays. Comparison with the PYTHIA approach, J. Phys. G: Nucl. Part. Phys. 48(10), 105001 (25 pages) (2021). doi: 10.1088/1361-6471/ac1394 (Scopus, Q1)

9. Yu. Borysenkova, P. Kashko, M. Tsarenkova, K. Bondarenko, V. Gorkavenko, Production of Chern-Simons bosons in decays of mesons, J. Phys. G: Nucl. Part. Phys. 49(8), 085003 (29 pages) (2022). doi: 10.1088/1361-6471/ac77a7 (Scopus, Q1)

10. Yu.A. Sitenko, V.M. Gorkavenko, M.S. Tsarenkova, Magnetic flux in the vacuum of quantum bosonic matter in the cosmic string background, Phys. Rev. D 106(10), 105010 (20 pages) (2022). doi: 10.1103/PhysRevD.106.105010 (Scopus, Q1)

11. V.M. Gorkavenko, T.V. Gorkavenko, Yu.A. Sitenko, M.S. Tsarenkova, Induced vacuum current and magnetic flux in quantum scalar matter in the background of a vortex defect with the Neumann boundary condition, Ukr. J. Phys. 67(1), 3-10 (2022). doi: 10.15407/ujpe67.1.3 (Scopus, Q3)

12. V.M. Gorkavenko, T.V. Gorkavenko, Yu.A. Sitenko, M.S. Tsarenkova, Induced vacuum energy density of quantum charged scalar matter in the background of an impenetrable magnetic tube with the Neumann boundary condition, Ukr. J. Phys. 67(10), 715-721 (2022). doi: 10.15407/ujpe67.10.715 (Scopus, Q3)

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