CP violation in fourth generation quark decays
Journal Article
·
· Physical Review. D, Particles Fields
- National Center for Theoretical Sciences, National Taiwan University, Taipei, Taiwan 10617 (China)
We show that, if a fourth generation is discovered at the Tevatron or LHC, one could study CP violation (CPV) in b{sup '}{yields}s decays. Asymmetries could reach 30% for b{sup '}{yields}sZ for m{sub b{sup '}} < or approx. 350 GeV, while it could be greater than 50% for b{sup '}{yields}s{gamma} and extend to higher m{sub b{sup '}}. Branching ratios are 10{sup -3}-10{sup -5}, and CPV measurement requires tagging. Once measured, however, the CPV phase can be extracted with little theoretical uncertainty.
- OSTI ID:
- 21325286
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 80, Issue 7; Other Information: DOI: 10.1103/PhysRevD.80.076005; (c) 2009 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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