Measurement of the B{sup 0}{yields}K{sub 2}*(1430){sup 0}{gamma} and B{sup +}{yields}K{sub 2}*(1430){sup +}{gamma} branching fractions
Journal Article
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· Physical Review. D, Particles Fields
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- Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux (France)
- Universita di Bari, Dipartimento di Fisica (Italy)
- Italy
- Institute of High Energy Physics, Beijing 100039 (China)
- University of Bergen, Inst. of Physics, N-5007 Bergen (Norway); and others
We have investigated the exclusive, radiative B meson decays to K{sub 2}*(1430) in 89x10{sup 6} BB-bar events with the BABAR detector at the PEP-II storage ring. We measure the branching fractions B(B{sup 0}{yields}K{sub 2}*(1430){sup 0}{gamma})=(1.22{+-}0.25{+-}0.10)x10{sup -5} and B(B{sup +}{yields}K{sub 2}*(1430){sup +}{gamma})=(1.45{+-}0.40{+-}0.15)x10{sup -5}, where the first error is statistical and the second systematic. In addition, we measure the CP-violating asymmetry A{sub CP}[B{sup 0}{yields}K{sub 2}*(1430){sup 0}{gamma}]=-0.08{+-}0.15{+-}0.01.
- OSTI ID:
- 20705563
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 70, Issue 9; Other Information: DOI: 10.1103/PhysRevD.70.091105; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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