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T: Teilchenphysik

T 308: Schwere Quarks II

T 308.6: Talk

Tuesday, March 28, 2006, 17:55–18:10, HG2-HS7

Measurement of branching fractions, polarization and CP asymmetries in B→ρρ decays and constraints on the CKM angle α. — •Grégory Schott — Institut für Experimentelle Kernphysik, Universität Karlsruhe, Postfach 3640, 76021 Karlsruhe

Using a sample of BB pairs collected with the BABAR detector, at the PEP-II asymmetric e⁺e⁻ collider, at SLAC, we measure branching fractions, perform an angular analysis and search for CP violation in B decays to final states containing two ρ mesons. Constraints on the CKM α angle are derived using results related to these modes.