Dalitz-plot Analysis of B0 --> D0bar pi+ pi-

Details Dalitz-plot Analysis of B0 --> D0bar pi+ pi- Dalitz-plot Analysis of B0 --> D0bar pi+ pi-

2010-07-26

arxiv.org/abs/1007.4464v1

PoS ICHEP2010:250,2010

Physics

High Energy Physics

High Energy Physics - Experiment

15 pages, 6 figures, 6 tables, presented at ICHEP 2010

Scientific paper

We report preliminary results from a study of the decay B0 --> D0bar pi+ pi- using a data sample of 470.9 +/- 2.8 million BBbar events collected with the BaBar detector at the Y(4S) resonance. Using the Dalitz-plot analysis technique, we find contributions from the intermediate resonances D*_2(2460)-, D*_0(2400)-, rho(770)0 and f_2(1270) as well as a pi+ pi- S-wave term, a D0bar pi- nonresonant S-wave term and a virtual D*(2010)- amplitude. We measure the branching fractions of the contributing decays.

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