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arxiv: hep-ex/0501057 · v1 · pith:3M2P26N5new · submitted 2005-01-21 · ✦ hep-ex

Phi₂ (alpha) measurement using B -> rho pi decays at Belle

classification ✦ hep-ex
keywords belledecaysmeasurementsalphaasymmetric-energyasymmetriescollectedcollider
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We present measurements of time-dependent asymmetries in decays of neutral B mesons to the final states B0 -> rho+ pi-. Measurements are based on a 140 fb-1 data sample collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider.

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