Observation of chi_c2 Production in B-meson Decay

Details Observation of chi_c2 Production in B-meson Decay Observation of chi_c2 Production in B-meson Decay

2002-02-13

arxiv.org/abs/hep-ex/0202028v1

Phys.Rev.Lett.89:011803,2002

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages with 2 figures

Scientific paper

10.1103/PhysRevLett.89.011803

We report the first observation of chi_c2 production in B-meson decays. We
find an inclusive B -> chi_c2 X branching fraction of (1.80^{+0.23}_{-0.28}+/-
0.26) 10^-3. The data set, collected with the Belle detector at the KEKB e^+e^-
collider, consists of 31.9 million B\bar B events. We also present branching
fractions and momentum spectra for both chi_c1 and chi_c2 production.

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