New Physics in the Flavor Sector

Journal Article · Thu Oct 06 00:00:00 EDT 2005 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2122123· OSTI ID:20726528

Gopalakrishna, Shrihari ^[1]; Yuan, C -P ^[2]

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1. Dept. of Physics and Astronomy, Northwestern University, Evanston, IL - 60202 (United States)
2. Dept. of Physics and Astronomy, Michigan State University, East Lansing, MI - 48824 (United States)

The standard model suffers from the hierarchy problem and the flavor problem. Various extensions have been proposed to alleviate these problems, supersymmetry and U(2) flavor symmetry being among them. Flavor changing neutral current rare decay modes of the B-meson is an excellent probe of such extensions. Recent preliminary data from the B-factories indicate that the CP asymmetry in b {yields} s penguin modes has a discrepancy with standard model predictions, and if established to a higher confidence level would indicate new physics beyond the standard model. We show that a supersymmetric U(2) flavor model can explain such a discrepancy, while being consistent with all other K and B-meson data.

• OSTI ID: 20726528
• Journal Information: AIP Conference Proceedings, Vol. 792, Issue 1; Conference: DIS 2005: 13. international workshop on deep inelastic scattering, Madison, WI (United States), 27 Apr - 1 May 2005; Other Information: DOI: 10.1063/1.2122123; (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
B MESONS
FLAVOR MODEL
KAONS
NEUTRAL CURRENTS
PARTICLE DECAY
STANDARD MODEL
SUPERSYMMETRY
U-2 GROUPS