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## Measurement of the Absolute Branching Fractions $B \to D\pi$, $D*\pi$, $D**\pi$ with a Missing Mass Method

### Abstract

8 pages, 6 postscript figures, submitted to ICHEP2006 submitted to Phys. Rev. D (Rapid communications)We present branching fraction measurements of charged and neutral B decays to Dpi-, D*pi- and D**pi- with a missing mass method, based on a sample of 231 million Y(4S)-->BBar pairs collected by the BaBar detector at the PEP-II e+e- collider. One of the B mesons is fully reconstructed and the other one decays to a reconstructed charged pion and a companion charmed meson identified by its recoil mass, inferred by kinematics. Here D** refers to the sum of all the non-strange charm meson states with masses in the range 2.2-2.8 Gev/c2

Topics: 13.25.Hw, 12.15.Hh, 11.30.Er, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex]
Publisher: American Physical Society
Year: 2006
DOI identifier: 10.1103/PhysRevD.74.111102
OAI identifier: oai:HAL:in2p3-00115178v1
Provided by: Hal-Diderot