Baryon asymmetry and split SUSY

Journal Article · Fri Dec 02 00:00:00 EST 2005 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2149751· OSTI ID:20729210

Kasuya, Shinta ^[1]

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1. Department of Information Science, Kanagawa University, Kanagawa 259-1293 (Japan)

It is one of the greatest mysteries that the baryon asymmetry in our universe is so small. It is argued that it may originate from some profound physics beyond the standard model. We investigate the Affleck-Dine baryogenesis in split supersymmetry, and find that the smallness of the baryon asymmetry is directly related to the hierarchy between the supersymmetry breaking squark/slepton masses and the weak scale. Put simply, the baryon asymmetry is small because of the split mass spectrum. LHC may prove or falsify our scenario.

• OSTI ID: 20729210
• Journal Information: AIP Conference Proceedings, Vol. 805, Issue 1; Conference: PASCOS 2005: 11. international symposium on particles, strings, and cosmology, Gyeongju (Korea, Republic of), 30 May - 4 Jun 2005; Other Information: DOI: 10.1063/1.2149751; (c) 2005 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
BARYONS
CERN LHC
COSMOLOGY
MASS SPECTRA
REST MASS
SPARTICLES
STANDARD MODEL
SUPERSYMMETRY
SYMMETRY BREAKING
UNIVERSE