Search for B{sup +}{yields}X(3872)K{sup +}, X(3872){yields}J/{psi}{gamma}
Journal Article
·
· Physical Review. D, Particles Fields
- Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux (France)
- Universitat de Barcelona, Facultat de Fisica Departamento ECM, E-08028 Barcelona (Spain)
- Universita di Bari, Dipartimento di Fisica and INFN, I-70126 Bari (Italy)
- Institute of High Energy Physics, Beijing 100039 (China)
- University of Bergen, Institute of Physics, N-5007 Bergen (Norway)
In a study of B{sup +}{yields}J/{psi}{gamma}K{sup +} decays, we find evidence for the radiative decay X(3872){yields}J/{psi}{gamma} with a statistical significance of 3.4{sigma}. We measure the product of branching fractions B(B{sup +}{yields}X(3872)K{sup +}){center_dot}B(X(3872){yields}J/{psi}{gamma})=(3.3{+-}1.0{+-}0.3)x10{sup -6}, where the uncertainties are statistical and systematic, respectively. We also measure the branching fraction B(B{sup +}{yields}{chi}{sub c1}K{sup +})=(4.9{+-}0.2{+-}0.4)x10{sup -4}. These results are obtained from (287{+-}3) million BB decays collected at the {upsilon}(4S) resonance with the BABAR detector at the PEP-II B Factory at SLAC.
- OSTI ID:
- 20871272
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 7 Vol. 74; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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