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Title: Measurement of decay amplitudes of B → J/ψK*, ψ(2S)K*, and χc1K* with an angular analysis
Author: Garra Ticó, Jordi
Graugés Pous, Eugeni
BABAR Collaboration
Keywords: Física de partícules
Particle physics
Issue Date: 20-Aug-2007
Publisher: American Physical Society
Abstract: We perform the first three-dimensional measurement of the amplitudes of B → ψ ( 2 S ) K ∗ and B → χ c 1 K ∗ decays and update our previous measurement for B → J / ψ K ∗ . We use a data sample collected with the BABAR detector at the PEP-II storage ring, corresponding to 232 × 10 6 B ¯¯¯ B pairs. The longitudinal polarization of decays involving a J P C = 1 ++ χ c 1 meson is found to be larger than that with a 1 −− J / ψ or ψ ( 2 S ) meson. No direct C P -violating charge asymmetry is observed.
Note: Reproducció del document publicat a:
It is part of: Physical Review D, 2007, vol. 76, num. 3, p. 031102(R)
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ISSN: 1550-7998
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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