Göttingen 2012 – scientific programme

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T: Fachverband Teilchenphysik

T 41: CP-Verletzung 2

T 41.6: Talk

Wednesday, February 29, 2012, 18:00–18:15, ZHG 004

Measurement of Branching Fraction and CP Violation Parameters in B⁰ → a₁^±(1260) π^∓ Decays — •Jeremy Dalseno — Max-Planck-Institut für Physik, München, Deutschland

We present a measurement of the branching fraction and time-dependent CP violation parameters in B⁰ → a₁^±(1260) π^∓ decays. These decays are sensitive to the CKM phase φ₂, of the unitarity triangle for B_d decays. The results are obtained from the final data sample containing 772 × 10⁶ B B pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e⁺e⁻ collider.