Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1996-05-03
Phys.Lett.B387:361-370,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, LaTeX, no figures
Scientific paper
10.1016/0370-2693(96)01033-7
We demonstrate that time-dependent studies of angular distributions for $B_s$ decays caused by $\bar b\to\bar cu\bar s$ quark-level transitions extract cleanly and model-independently the CKM angle $\gamma$. This CKM angle could be cleanly determined from untagged $B_s$ decays alone, if the lifetime difference between the $B_s$ mass eigenstates $B_s^L$ and $B_s^H$ is sizable. The time-dependences for the relevant tagged and untagged observables are given both in a general notation and in terms of linear polarization states and should exhibit large CP-violating effects. These observables may furthermore provide insights into the hadronization dynamics of the corresponding exclusive $B_s$ decays thereby allowing tests of the factorization hypothesis.
Dunietz Isard
Fleischer Robert
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