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Observation of B0 Meson decays to a1(1260) pi | | B. Aubert
; et al
; BaBar Collaboration
; | | Date: |
7 Jul 2005 | | Subject: | hep-ex | | Abstract: | We present preliminary measurements of the B meson decay B0 -> a1(1260)+ pi-, with a1(1260)+ --> pi+ pi+ pi-. The data were recorded with the BABAR detector at PEP II and correspond to 218 million BBbar pairs produced in e+e- annihilation through the Upsilon(4S) resonance. We find the branching fractions B(B0 -> a1(1260)+ pi-) = (40.2 +/- 3.9 +/- 3.9) x 10^-6. The fitted values of the a1(1260) parameters are m_a1 = 1.22 +/- 0.02 GeV/c^2 and Gamma_a1= 423 +/- 50 MeV/c^2 | | Source: | arXiv, hep-ex/0507029 | | Other source: | [GID 786948] hep-ex/0408021 | | Services: | Forum | Review | PDF | Favorites | |
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