Published November 1, 2004 | Version v1
Journal article Metadata-only

Measurement of the branching fractions for inclusive B- and B-bar0 decays to flavor-tagged D, Ds, and Λc

Creators

  • 1. Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux (France)
  • 2. INFN, I-70126 Bari (Italy)
  • 3. Universita di Bari, Dipartimento di Fisica (Italy)
  • 4. Institute of High Energy Physics, Beijing 100039 (China)
  • 5. Institute of Physics, University of Bergen, N-5007 Bergen (Norway)

Description

We report on the inclusive branching fractions of B- and of B-bar0 mesons decaying to D0X, D-bar0X, D+X, D-X, Ds+X, Ds-X, Λc+X, Λ-barc-X, based on a sample of 88.9x106 BB-bar events recorded with the BABAR detector at the Υ(4S) resonance. Events are selected by completely reconstructing one B and searching for a reconstructed charmed particle in the rest of the event. We measure the number of charmed and of anticharmed particles per B decay and derive the total charm yield per B- decay nc-=1.313±0.037±0.062-0.042+0.063 and per B-bar0 decay nc0=1.276±0.062±0.058-0.046+0.066, where the first uncertainty is statistical, the second is systematic, and the third reflects the charm branching-fraction uncertainties

Additional details

Identifiers

DOI
10.1103/PhysRevD.70.091106;
arXiv
arXiv:hep-ex/0408113v1;

Publishing Information

Journal Title
Physical Review. D, Particles Fields
Journal Volume
70
Journal Issue
9
Journal Page Range
p. 091106-091106.8
ISSN
0556-2821
CODEN
PRVDAQ

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
37020756
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
B MESONS; BRANCHING RATIO; D MESONS; D S MESONS; HADRONIC PARTICLE DECAY; LAMBDA C PLUS BARYONS; MULTIPARTICLE SPECTROMETERS; NUCLEAR REACTION YIELD; PARTICLE IDENTIFICATION; PEP STORAGE RINGS; UPSILON-10580 MESONS
Descriptors DEC
BARYONS; BEAUTY MESONS; BEAUTY PARTICLES; BOSONS; BOTTOMONIUM; CHARM PARTICLES; CHARMED BARYONS; CHARMED MESONS; DECAY; DIMENSIONLESS NUMBERS; ELEMENTARY PARTICLES; FERMIONS; HADRONS; MEASURING INSTRUMENTS; MESONS; PARTICLE DECAY; PSEUDOSCALAR MESONS; QUARKONIUM; SPECTROMETERS; STORAGE RINGS; STRANGE MESONS; STRANGE PARTICLES; VECTOR MESONS; YIELDS

Optional Information

Notes
(c) 2004 The American Physical Society
Collaborations
BABAR Collaboration