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Q-ball evolution, B-ball baryogenesis and the fB problem

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Q-ball evolution, B-ball baryogenesis and the fB problem. / McDonald, John.
In: Journal of High Energy Physics, Vol. 2001, No. 03, 06.04.2001, p. 022.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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McDonald J. Q-ball evolution, B-ball baryogenesis and the fB problem. Journal of High Energy Physics. 2001 Apr 6;2001(03):022. doi: 10.1088/1126-6708/2001/03/022

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McDonald, John. / Q-ball evolution, B-ball baryogenesis and the fB problem. In: Journal of High Energy Physics. 2001 ; Vol. 2001, No. 03. pp. 022.

Bibtex

@article{b2fa3dd1ed9f4f6e98fbd2eec1dd618d,
title = "Q-ball evolution, B-ball baryogenesis and the fB problem",
abstract = "We consider some of the issues surrounding the formation and evolution of Q-balls in the MSSM and its extensions. The ratio of the baryon number packed into Q-balls to that outside, fB, plays a fundamental role in determining the relationship of dark matter to the baryon number in the Universe at present. The final value of fB will depend upon the details of the formation of Q-balls from the collapse of the Affleck-Dine condensate and upon the subsequent evolution of the ensemble of Q-balls. We discuss the implications for neutralino dark matter in the gravity-mediated scenario and show that a light neutralino is necessary in most cases to account for the baryon to dark matter ratio, with an NMSSM singlino LSP of mass mχ20 GeV being a favoured candidate.",
keywords = "Cosmology of Theories beyond the SM, Dark Matter , Baryogenesis, Supersymmetric Standard Model.",
author = "John McDonald",
year = "2001",
month = apr,
day = "6",
doi = "10.1088/1126-6708/2001/03/022",
language = "English",
volume = "2001",
pages = "022",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer-Verlag",
number = "03",

}

RIS

TY - JOUR

T1 - Q-ball evolution, B-ball baryogenesis and the fB problem

AU - McDonald, John

PY - 2001/4/6

Y1 - 2001/4/6

N2 - We consider some of the issues surrounding the formation and evolution of Q-balls in the MSSM and its extensions. The ratio of the baryon number packed into Q-balls to that outside, fB, plays a fundamental role in determining the relationship of dark matter to the baryon number in the Universe at present. The final value of fB will depend upon the details of the formation of Q-balls from the collapse of the Affleck-Dine condensate and upon the subsequent evolution of the ensemble of Q-balls. We discuss the implications for neutralino dark matter in the gravity-mediated scenario and show that a light neutralino is necessary in most cases to account for the baryon to dark matter ratio, with an NMSSM singlino LSP of mass mχ20 GeV being a favoured candidate.

AB - We consider some of the issues surrounding the formation and evolution of Q-balls in the MSSM and its extensions. The ratio of the baryon number packed into Q-balls to that outside, fB, plays a fundamental role in determining the relationship of dark matter to the baryon number in the Universe at present. The final value of fB will depend upon the details of the formation of Q-balls from the collapse of the Affleck-Dine condensate and upon the subsequent evolution of the ensemble of Q-balls. We discuss the implications for neutralino dark matter in the gravity-mediated scenario and show that a light neutralino is necessary in most cases to account for the baryon to dark matter ratio, with an NMSSM singlino LSP of mass mχ20 GeV being a favoured candidate.

KW - Cosmology of Theories beyond the SM

KW - Dark Matter

KW - Baryogenesis

KW - Supersymmetric Standard Model.

U2 - 10.1088/1126-6708/2001/03/022

DO - 10.1088/1126-6708/2001/03/022

M3 - Journal article

VL - 2001

SP - 022

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 03

ER -