Weak Phases and CP Violation

Details Weak Phases and CP Violation Weak Phases and CP Violation

2005-10-12

arxiv.org/abs/hep-ph/0510153v4

Nucl.Phys.Proc.Suppl.156:69-76,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, talk presented at Beauty 2005, Assisi, Italy, June 20-24, 2005; few numerical corrections

Scientific paper

10.1016/j.nuclphysbps.2006.02.12

Time-dependent CP asymmetries in $B^0$ decays from interference of $B^0$-$\bar B^0$ mixing and $b\to c\bar cs, u\bar ud, sq\bar q$, and direct asymmetries from interference of $b\to c\bar us$ and $b\to u\bar cs$ are studied, improving errors in the weak phases $\beta$ and $\gamma$ to $\pm 1^\circ$ and $\pm 7^\circ$, respectively. Two kinds of tests for New Physics are discussed: 1. Deviations of asymmetries in $b\to sq\bar q$ decays from $\sin 2\beta\sin\Delta mt$. 2. Violation of a sum rule for direct asymmetries in $B\to K\pi$.

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