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First observation of inclusive B decays to the charmed strange baryons xi(0)(c) and xi(+)(c)
Ammar, Raymond G. Baringer, Philip S. Bean, Alice Besson, David Zeke Coppage, Don Darling, C. Davis, Robin E. P. Hancock, N. Kotov, S. Kravchenko, I.
Ammar, Raymond G.
Baringer, Philip S.
Bean, Alice
Besson, David Zeke
Coppage, Don
Darling, C.
Davis, Robin E. P.
Hancock, N.
Kotov, S.
Kravchenko, I.
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Abstract
Using data collected in the region of the Upsilon(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 Xi(c)(0) and Xi(c)(+). We find 79 +/- 27 Xi(c)(0) and 125 +/- 28 Xi(c)(+) candidates from B decays, leading to product branching fractions of B((B) over bar --> Xi(c)(0)X)B(Xi(c)(0) --> Xi(-)pi(+)) = (0.144 +/- 0.048 +/- 0.021) X 10(-3) and B((B) over bar --> Xi(c)(+)X)B(Xi(C)(+) --> Xi(-)pi(+)pi(+)) = (0.453 +/- 0.096(+0.085)(-0.065)) X 10(-3). [S0031-9007(97)04481-5].
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1997-11
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AMERICAN PHYSICAL SOC
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Barish, B, Chadha, M, et al. First observation of inclusive B decays to the charmed strange baryons xi(0)(c) and xi(+)(c). PHYSICAL REVIEW LETTERS. November 1997. 79(19) : 3599-3603