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Abstract

Multimessenger Probes for New Physics in the Light of A. Sakharov’s Legacy in Cosmoparticle Physics †

1
Research Institute of Physics, Southern Federal University, 344090 Rostov on Don, Russia
2
Centre for Cosmoparticle physics Cosmion, National Research Nuclear University MEPHI, 115409 Moscow, Russia
3
CNRS, Astroparticule et Cosmologie, Université de Paris, F-75013 Paris, France
Presented at the 1st Electronic Conference on Universe, 22–28 February 2021; Available online: https://ecu2021.sciforum.net/.
Phys. Sci. Forum 2021, 2(1), 2; https://doi.org/10.3390/ECU2021-09271
Published: 22 February 2021
(This article belongs to the Proceedings of The 1st Electronic Conference on Universe)

Abstract

:
The modern, standard cosmological scenario, which reflects, to a large extent, the development of A. D. Sakharov’s legacy in cosmoparticle physics, involves inflation, baryosynthesis and dark matter/energy. The physics of all these elements of the cosmological paradigm lays beyond the standard model (BSM) of elementary particles and involves, in its turn, cosmological probes for its study. To specify this physics, the idea of multimessenger probes of new physics is proposed, involving the set of additional model-dependent consequences of physical models for inflation, baryosynthesis and dark matter. After brief review of the cosmophenomenology of new physics, we concentrate on probes for mechanisms of baryosynthesis—first proposed by A. D. Sakharov—which are of special interest in this context. Antimatter domains formed in the early universe can reflect possible strong nonhomogeneity of baryosynthesis. In the homogeneous and isotropic universe, such nonhomogeneity is determined by specific model-dependent choices of mechanisms of inflation and baryosynthesis. These mechanisms provide tests for the physics, underlying modern cosmology. Constraints on macroscopic antimatter objects or cosmic fluxes of antinuclei provide probes for the corresponding models. Positive evidence for macroscopic antimatter existence leads beyond the standard paradigm of the cosmological scenario and specifies with high precision the parameters of BSM physics.

Supplementary Materials

The poster presentation is available online at https://www.mdpi.com/article/10.3390/ECU2021-09271/s1.

Funding

The research was financially supported by Southern Federal University, 2020 Project VnGr/2020-03-IF.
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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MDPI and ACS Style

Khlopov, M.Y. Multimessenger Probes for New Physics in the Light of A. Sakharov’s Legacy in Cosmoparticle Physics. Phys. Sci. Forum 2021, 2, 2. https://doi.org/10.3390/ECU2021-09271

AMA Style

Khlopov MY. Multimessenger Probes for New Physics in the Light of A. Sakharov’s Legacy in Cosmoparticle Physics. Physical Sciences Forum. 2021; 2(1):2. https://doi.org/10.3390/ECU2021-09271

Chicago/Turabian Style

Khlopov, Maxim Yu. 2021. "Multimessenger Probes for New Physics in the Light of A. Sakharov’s Legacy in Cosmoparticle Physics" Physical Sciences Forum 2, no. 1: 2. https://doi.org/10.3390/ECU2021-09271

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