Observation of B0 -> chi_c0K*0 and evidence for B+ -> chi_c0K*+

The BaBar Collaboration, Philip Clark

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We present the observation of the decay B0 -> chi_c0K*0 as well as evidence of B+ -> chi_c0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of 454 million Y(4S) -> BB decays collected with the BaBar detector at the PEP-II B meson factory located at the Stanford Linear Accelerator Center (SLAC). The measured branching fractions are: B(B0 -> chi_c0K*0) = (1.7 +/- 0.3 +/- 0.2) * 10^{-4} and B(B+ -> chi_c0K^*+) = (1.4 +/- 0.5 +/- 0.2) * 10^{-4}, where the first quoted errors are statistical and the second are systematic. We obtain a branching fraction upper limit of B(B+ -> chi_c0K*+)
Original languageEnglish
JournalPhysical Review D, particles, fields, gravitation, and cosmology
Publication statusPublished - 11 Aug 2008

Keywords / Materials (for Non-textual outputs)

  • hep-ex


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