Superheavy dark matter in R+ R2 cosmology with conformal anomaly

E. V. Arbuzova; A. D. Dolgov; R. S. Singh

doi:10.1140/epjc/s10052-020-08627-y

Superheavy dark matter in R+ R² cosmology with conformal anomaly

E. V. Arbuzova, A. D. Dolgov, R. S. Singh

Research output: Contribution to journal › Article › peer-review

Abstract

Cosmological evolution and particle creation in R²-modified gravity are considered for the case of the dominant decay of the scalaron into a pair of gauge bosons due to conformal anomaly. It is shown that in the process of thermalization superheavy dark matter with the coupling strength typical for the GUT SUSY can be created. Such dark matter would have the proper cosmological density if the particle mass is close to 10 ¹² GeV.

Original language	English
Article number	1047
Number of pages	11
Journal	European Physical Journal C
Volume	80
Issue number	11
DOIs	https://doi.org/10.1140/epjc/s10052-020-08627-y
Publication status	Published - Nov 2020

Keywords

RADIOACTIVE DECAY

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10.1140/epjc/s10052-020-08627-y

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title = "Superheavy dark matter in R+ R2 cosmology with conformal anomaly",

abstract = "Cosmological evolution and particle creation in R2-modified gravity are considered for the case of the dominant decay of the scalaron into a pair of gauge bosons due to conformal anomaly. It is shown that in the process of thermalization superheavy dark matter with the coupling strength typical for the GUT SUSY can be created. Such dark matter would have the proper cosmological density if the particle mass is close to 10 12 GeV.",

keywords = "RADIOACTIVE DECAY",

author = "Arbuzova, {E. V.} and Dolgov, {A. D.} and Singh, {R. S.}",

note = "Funding Information: The work was supported by the RSF Grant 19-42-02004. Publisher Copyright: {\textcopyright} 2020, The Author(s). Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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