phi2/alpha
Chin-chi Wang
Abstract
We report the recent phi2/alpha results from Belle with KEKB accelerator and Babar with PEP-II accelerator. The analysis of B->pi pi, B->rho rho and B->rho pi are included in this report. These b->u ubar d decay modes are related to the CKM angle phi2/alpha and the method of phi2/alpha extraction of corresponding decay are also included. After combining all the decay modes, the constraint of phi2/alpha is 100.2+15.0-8.8 degree.
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