Measurement of the Absolute Branching FractionsB to D\pi, D^*\pi, D^{**}\pi with aMissing Mass Method [electronic resource].
Published
Washington, D.C. : United States. Dept. of Energy, 2006. Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
We present branching fraction measurements of charged and neutral B decays to Dπ⁻, D*π⁻ and D**π⁻ with a missing mass method, based on a sample of 231 million Υ(4S) → B{bar B} 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 π 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.