First Observation of Inclusive B Decays to the Charmed Strange Baryons Ξc0 and Ξc+

B. Barish, M. Chadha, S. Chan, G. Eigen, J. S. Miller, C. O’Grady, M. Schmidtler, J. Urheim, A. J. Weinstein, F. Würthwein, D. M. Asner, D. W. Bliss, W. S. Brower, G. Masek, H. P. Paar, S. Prell, V. Sharma, J. Gronberg, T. S. Hill, R. KutschkeD. J. Lange, S. Menary, R. J. Morrison, H. N. Nelson, T. K. Nelson, C. Qiao, J. D. Richman, D. Roberts, A. Ryd, M. S. Witherell, R. Balest, B. H. Behrens, K. Cho, W. T. Ford, H. Park, P. Rankin, J. Roy, J. G. Smith, J. P. Alexander, C. Bebek, B. E. Berger, K. Berkelman, K. Bloom, D. G. Cassel, H. A. Cho, D. M. Coffman, D. S. Crowcroft, M. Dickson, Y. Kubota, R. Poling, CLEO Collaboration

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Using data collected in the region of the γ\(4S\) resonance with the CLEO II detector operating at the Cornell Electron Storage Ring (CESR), we present the first observation of B mesons decaying into the charmed strange baryons Ξc0 and Ξc+. We find 79+/-27 Ξc0 and 125+/-28 Ξc+ candidates from B decays, leading to product branching fractions of B\(B¯c0X\)B\(c0⤏Ξ-π+\) = \(0.144+/-0.048+/-0.021\)×10-3 and B\(B¯⤏Ξ+cX\)B\(Ξ+C⤏Ξ-π+π+\) = \(0.453+/-0.096+ 0.085- 0.065\)×10−3.

Original languageEnglish (US)
Pages (from-to)3599-3603
Number of pages5
JournalPhysical review letters
Issue number19
StatePublished - 1997

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