We present recent measurements of the CKM angles alpha and gamma using data collected by the BaBar detector at the PEP-II asymmetric-energy e+ e- collider at the Stanford Linear Accelerator Center. In addition to constraints on alpha from the decays B0 -> pi+ pi-, B0 -> rho+ pi- and B0 -> rho+ rho-, we also report the first measurement of time-dependent CP asymmetries in the decay B0 -> a1+(1260) pi-. We present measurements of gamma in B+ -> D(*)0 K+ decays using a Dalitz analysis in the modes D^0 -> Ks pi+ pi- and D^0 -> pi+ pi- pi0.
Measurement of the CKM angles alpha and gamma at the BaBar experiment / V. Lombardo - In: Fundamental interactions : proceedings of the 22nd Lake Louise Winter Institute, Lake Louise Alberta, Canada 19-24 February 2007 / [a cura di] A. Astbury, F. Khanna, R. Moore. - Hackensack, NJ : World Scientific, 2007. - ISBN 9789812776099. (( Intervento presentato al 22. convegno Lake Louise Winter Institute : Fundamental Interactions tenutosi a Lake Louise, Alberta, Canada nel 2007.
Measurement of the CKM angles alpha and gamma at the BaBar experiment
V. LombardoPrimo
2007
Abstract
We present recent measurements of the CKM angles alpha and gamma using data collected by the BaBar detector at the PEP-II asymmetric-energy e+ e- collider at the Stanford Linear Accelerator Center. In addition to constraints on alpha from the decays B0 -> pi+ pi-, B0 -> rho+ pi- and B0 -> rho+ rho-, we also report the first measurement of time-dependent CP asymmetries in the decay B0 -> a1+(1260) pi-. We present measurements of gamma in B+ -> D(*)0 K+ decays using a Dalitz analysis in the modes D^0 -> Ks pi+ pi- and D^0 -> pi+ pi- pi0.
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