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Observation of B{sup +}{r_arrow}{psi}(2S)K{sup +} and B{sup 0}{r_arrow}{psi}(2S)K{sup {asterisk}}(892){sup 0} decays and measurements of B-meson branching fractions into J/{psi} and {psi}(2S) final states

Journal Article · · Physical Review, D
OSTI ID:298579
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  1. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
  2. Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
  3. Brandeis University, Waltham, Massachusetts 02254 (United States)
  4. University of California at Los Angeles, Los Angeles, California 90024 (United States)
  5. University of Chicago, Chicago, Illinois 60637 (United States)
  6. Duke University, Durham, North Carolina 27708 (United States)
  7. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
  8. University of Florida, Gainesville, Florida 32611 (United States)
  9. Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati (Italy)
  10. University of Geneva, CH-1211 Geneva 4 (Switzerland)
+ Show Author Affiliations
We report the observations of the decays B{sup +}{r_arrow}{psi}(2S)K{sup +} and B{sup 0}{r_arrow}{psi}(2S)K{sup {asterisk}}(892){sup 0} in p{bar p} collisions at a center-of-mass energy of 1.8 TeV using a 110thinsppb{sup {minus}1} data sample recorded by the Collider Detector at Fermilab. We also reconstruct the decays B{sup +}{r_arrow}J/{psi}K{sup +} and B{sup 0}{r_arrow}J/{psi}K{sup {asterisk}}(892){sup 0} and measure the six ratios of branching fractions of these four decays. The relative branching-fraction results are shown to be consistent with phenomenological factorization calculations of hadronic B-meson decays. We use the world-average branching fraction B(B{sup +}{r_arrow}J/{psi}K{sup +}) to derive B{bold (}B{sup +}{r_arrow}{psi}(2S)K{sup +}{bold )}=(0.56{plus_minus}0.08{plus_minus}0.10){times}10{sup {minus}3}, B{bold (}B{sup 0}{r_arrow}{psi}(2S)K{sup {asterisk}}(892){sup 0}{bold )}=(0.92{plus_minus}0.20{plus_minus}0.16){times}10{sup {minus}3}, and B{bold (}B{sup 0}{r_arrow}J/{psi}K{sup {asterisk}}(892){sup 0}{bold )}=(1.78{plus_minus}0.14{plus_minus}0.29){times}10{sup {minus}3}, where the first and second uncertainties are statistical and systematic, respectively. {copyright} {ital 1998} {ital The American Physical Society}
OSTI ID:
298579
Journal Information:
Physical Review, D, Journal Name: Physical Review, D Journal Issue: 7 Vol. 58; ISSN PRVDAQ; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

66 PHYSICS
B MESONS
B NEUTRAL MESONS
B PLUS MESONS
BRANCHING RATIO
EXCLUSIVE INTERACTIONS
FACTORIZATION
FRAGMENTATION
J PSI-3097 MESONS
K*-892 MESONS
KAONS PLUS
PSI-3685 MESONS
WEAK HADRONIC DECAY