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Black Holes and Baryon Number Violation: Unveiling the Origins of Early Galaxies and the Low-Mass Gap
/ Gogberashvili, Merab (Javakhishvili State U. ; Tbilisi, Inst. Phys.) ; Sakharov, Alexander S. (Manhattan Coll., Riverdale ; CERN)
We propose that modifications to the Higgs potential within a narrow atmospheric layer near the event horizon of an astrophysical black hole could significantly enhance the rate of sphaleron transitions, as well as transform the Chern-Simons number into a dynamic variable. As a result, sphaleron transitions in this region occur without suppression, in contrast to low-temperature conditions, and each transition may generate a substantially greater baryon number than would be produced by winding around the Higgs potential in Minkowski spacetime. [...]
arXiv:2411.10847.-
2025-01-03 - 17 p.
- Published in : Galaxies 13 (2025) 4
Fulltext: 2411.10847 - PDF; Publication - PDF; document - PDF;
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Chapter 5 Dark Matter and New Physics Beyond the Standard Model with LHAASO
/ Bi, Xiao-Jun (Beijing, Inst. High Energy Phys.) ; Addazi, Andrea (SCU, Chengdu ; Frascati) ; Belotsky, Konstantin (Moscow Phys. Eng. Inst.) ; Beylin, Vitaly (Southern Federal U.) ; Cirelli, Marco (Paris, LPTHE) ; Esmaili, Arman (Rio de Janeiro, Pont. U. Catol.) ; Fornengo, Nicolao (INFN, Turin) ; Gan, Qing-Yu (SCU, Chengdu) ; Kachekriess, Michael (Norwegian U. Sci. Tech.) ; Khlopov, Maxim (APC, Paris ; Moscow Phys. Eng. Inst. ; Southern Federal U.) et al.
Abstract
In order to reveal the nature of dark matter, it is crucial to detect its non-gravitational interactions with the standard model particles. The traditional dark matter searches focused on the so-called weakly interacting massive particles. [...]
2022 - 13 p.
- Published in : Chin. Phys. C 46 (2022) 030005
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Report of the Topical Group on Cosmic Probes of Fundamental Physics for for Snowmass 2021
/ Adhikari, Rana X. (Caltech) ; Anchordoqui, Luis A. (Lehman Coll. ; City Coll., N.Y. ; Amer. Museum Natural Hist.) ; Fang, Ke (Wisconsin U., Madison) ; Sathyaprakash, B.S. (Penn State U., University Park, IGC ; Penn State U., Astron. Astrophys. ; Cardiff U.) ; Tollefson, Kirsten (Michigan State U.) ; Lewis, Tiffany R. (NASA, Goddard) ; Engel, Kristi (Maryland U. ; Los Alamos) ; Aboubrahim, Amin (U. Munster) ; Akarsu, Ozgur (Istanbul, Tech. U.) ; Akrami, Yashar (Case Western Reserve U.) et al.
Cosmic Probes of Fundamental Physics take two primary forms: Very high energy particles (cosmic rays, neutrinos, and gamma rays) and gravitational waves. [...]
arXiv:2209.11726.
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118.
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Possible Manifestation of a Non-Pointness of the Electron in $e^+e^-$ Annihilation Reaction at Centre of Mass Energies 55-207 GeV
/ Chen, Yutao (Hefei, CUST) ; Lin, Chih-Hsun (Taiwan, Inst. Phys.) ; Liu, Minghui (Hefei, CUST) ; Sakharov, Alexander S. (Manhattan Coll., Riverdale ; CERN) ; Ulbricht, Jürgen (Zurich, ETH) ; Zhao, Jiawei (Hefei, CUST)
The experimental data from VENUS, TOPAS, OPAL, DELPHI, ALEPH and L3 collaborations, collected from 1989 to 2003, are applied to study the QED framework through direct contact interaction terms approach, using the annihilation reaction $\rm e^+ e^-\rightarrow \gamma\gamma(\gamma)$. The analysis involves performing of a $\chi^{2}$ test to detect the presence of an excited electron $e^{*}$ and evidence of non-point like behavior in the $e^+e^-$ annihilation zone. [...]
arXiv:2210.11149.-
2023-07-10 - 32 p.
- Published in : Physics 5 (2023) 752-783
Fulltext: 2210.11149 - PDF; Publication - PDF;
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Dark Matter Searches for heavy Dark Matter with LHAASO
/ Addazi, Andrea (Sichuan U. ; INFN, Rome) ; Belotsky, Konstantin (Moscow Phys. Eng. Inst.) ; Beylin, Vitaly (Southern Federal U.) ; Cirelli, Marco (Paris, LPTHE) ; DiSciascio, Giuseppe (INFN, Rome) ; Esmaili, Arman (Rio de Janeiro, Pont. U. Catol.) ; Fornengo, Nicolao (Turin U. ; INFN, Turin) ; Gan, Qingyu (Sichuan U.) ; Kachekriess, Michael (Norwegian U. Sci. Tech.) ; Khlopov, Maxim (APC, Paris ; Moscow Phys. Eng. Inst. ; Southern Federal U.) et al.
We discuss the implications of next future LHAASO data
on searches of Heavy Dark Matter decays..
SISSA, 2021 - 8 p.
- Published in : PoS ICRC2021 (2021) 574
Fulltext: PDF;
In : 37th International Cosmic Ray Conference (ICRC 2021), Berlin, Germany, 15 - 22 Jul 2021, pp.574
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Higgs Induced Triboluminescence in Binary Black Hole Mergers
/ Chitishvili, Mariam (Javakhishvili State U.) ; Gogberashvili, Merab (Javakhishvili State U. ; Tbilisi, Inst. Phys.) ; Konoplich, Rostislav (Manhattan Coll., Riverdale) ; Sakharov, Alexander S. (Manhattan Coll., Riverdale ; CERN)
We conjecture that the Higgs potential can be significantly modified when it is in close proximity to the horizon of an astrophysical black hole, leading to the destabilization of the electroweak vacuum. In this situation, the black hole should be encompassed by a shell consisting of a "bowling substance" of the nucleating new phase bubbles. [...]
arXiv:2111.07178.-
2023-06-22 - 43 p.
- Published in : : 9 (2023) , pp. 301
- Published in : Universe: 9 (2023) , pp. 301
Fulltext: 2111.07178 - PDF; document - PDF;
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