PBH Evaporation, Baryon Asymmetry, and Dark Matter

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PBH Evaporation, Baryon Asymmetry, and Dark Matter. / Chaudhuri, A.; Dolgov, A.

In: Journal of Experimental and Theoretical Physics, Vol. 133, No. 5, 3, 11.2021, p. 552-566.

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

Harvard

Chaudhuri, A & Dolgov, A 2021, 'PBH Evaporation, Baryon Asymmetry, and Dark Matter', Journal of Experimental and Theoretical Physics, vol. 133, no. 5, 3, pp. 552-566. https://doi.org/10.1134/S1063776121110078

APA

Chaudhuri, A., & Dolgov, A. (2021). PBH Evaporation, Baryon Asymmetry, and Dark Matter. Journal of Experimental and Theoretical Physics, 133(5), 552-566. [3]. https://doi.org/10.1134/S1063776121110078

Vancouver

Chaudhuri A, Dolgov A. PBH Evaporation, Baryon Asymmetry, and Dark Matter. Journal of Experimental and Theoretical Physics. 2021 Nov;133(5):552-566. 3. doi: 10.1134/S1063776121110078

Author

Chaudhuri, A. ; Dolgov, A. / PBH Evaporation, Baryon Asymmetry, and Dark Matter. In: Journal of Experimental and Theoretical Physics. 2021 ; Vol. 133, No. 5. pp. 552-566.

BibTeX

@article{ec68bd6d883c43ae84ff45dc4f4bc2b4,

title = "PBH Evaporation, Baryon Asymmetry, and Dark Matter",

abstract = "Sufficiently light primordial black holes (PBH) could evaporate in the very early universe and dilute the preexisting baryon asymmetry and/or the frozen density of stable relics. The effect is especially strong in the case that PBHs decayed if and when they dominated the cosmological energy density. The size of the reduction is first calculated analytically under the simplifying assumption of the delta-function mass spectrum of PBH and instant decay approximation. In the realistic case of exponential decay and for an extended mass spectrum of PBH the calculations are made numerically. Resulting reduction of the frozen number density of the supersymmetric relics opens for them a wider mass window to become viable dark matter candidate.",

author = "A. Chaudhuri and A. Dolgov",

note = "Funding Information: Our work was supported by the RSF Grant 19-42-02004. Publisher Copyright: {\textcopyright} 2021, Pleiades Publishing, Inc.",

year = "2021",

month = nov,

doi = "10.1134/S1063776121110078",

language = "English",

volume = "133",

pages = "552--566",

journal = "Journal of Experimental and Theoretical Physics",

issn = "1063-7761",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "5",

}

RIS

TY - JOUR

T1 - PBH Evaporation, Baryon Asymmetry, and Dark Matter

AU - Chaudhuri, A.

AU - Dolgov, A.

PY - 2021/11

Y1 - 2021/11

N2 - Sufficiently light primordial black holes (PBH) could evaporate in the very early universe and dilute the preexisting baryon asymmetry and/or the frozen density of stable relics. The effect is especially strong in the case that PBHs decayed if and when they dominated the cosmological energy density. The size of the reduction is first calculated analytically under the simplifying assumption of the delta-function mass spectrum of PBH and instant decay approximation. In the realistic case of exponential decay and for an extended mass spectrum of PBH the calculations are made numerically. Resulting reduction of the frozen number density of the supersymmetric relics opens for them a wider mass window to become viable dark matter candidate.

AB - Sufficiently light primordial black holes (PBH) could evaporate in the very early universe and dilute the preexisting baryon asymmetry and/or the frozen density of stable relics. The effect is especially strong in the case that PBHs decayed if and when they dominated the cosmological energy density. The size of the reduction is first calculated analytically under the simplifying assumption of the delta-function mass spectrum of PBH and instant decay approximation. In the realistic case of exponential decay and for an extended mass spectrum of PBH the calculations are made numerically. Resulting reduction of the frozen number density of the supersymmetric relics opens for them a wider mass window to become viable dark matter candidate.

UR - http://www.scopus.com/inward/record.url?scp=85122104037&partnerID=8YFLogxK

UR - https://www.elibrary.ru/item.asp?id=47550926

UR - https://www.mendeley.com/catalogue/2fb0e29d-3b40-388f-8aed-ab69b463128c/

U2 - 10.1134/S1063776121110078

DO - 10.1134/S1063776121110078

M3 - Article

AN - SCOPUS:85122104037

VL - 133

SP - 552

EP - 566

JO - Journal of Experimental and Theoretical Physics

JF - Journal of Experimental and Theoretical Physics

SN - 1063-7761

IS - 5

M1 - 3

ER -

ID: 35259525