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T: Teilchenphysik

T 305: Schwere Quarks III

T 305.6: Talk

Friday, March 4, 2005, 17:45–18:00, TU H2033

Measurement of branching fractions, polarization and CP asymmetries in B→ρρ decays and constraints on the CKM angle α. — •Gregory Schott — Institut für Experimentelle Kernphysik (IEKP) — University of Karlsruhe — Postfach 3640 — D-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.