Measurement of the CKM angle phi2 (alpha)

Details Measurement of the CKM angle phi2 (alpha) Measurement of the CKM angle phi2 (alpha)

2007-08-29

arxiv.org/abs/0708.3892v1

ECONFC070512:013,2007

Physics

High Energy Physics

High Energy Physics - Experiment

Presented at "Flavor Physics & CP Violation Conference, Bled, 2007", 7 pages, 8 figures

Scientific paper

We present recent measurements of the unitarity triangle angle phi2(alpha) using B -> pi pi, B -> rho rho, and B -> rho pi decays. The measurements are based on data samples collected with the Belle and BaBar detectors at the KEKB and PEP-II e+e- colliders, respectively. We also report on a new measurement of a CP-violating asymmetry in B -> a_1+ pi- decay which will allow to constrain further the angle phi2.

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