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Measurement of exclusive lambda(c)-decays with a sigma(+) in the final state
Ammar, Raymond G. Ball, S. Baringer, Philip S. Coppage, Don Copty, N. Davis, Robin E. P. Hancock, N. Kelly, M. Kwak, Nowhan Lam, H.
Ammar, Raymond G.
Ball, S.
Baringer, Philip S.
Coppage, Don
Copty, N.
Davis, Robin E. P.
Hancock, N.
Kelly, M.
Kwak, Nowhan
Lam, H.
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Abstract
We have measured branching ratios for three LAMBDA(c) decay modes that have a SIGMA+ in the final state. Two of the observed decay modes, LAMBDA(c) --> SIGMA+pi0 and LAMBDA(c)+ --> SIGMA+omega, have no external W-emission amplitudes. Their branching ratios relative to the pK-pi+ mode are 0.20 +/- 0.03 +/- 0.03 and 0.54 +/- 0.13 +/- 0.06, respectively. We have also significantly improved the measurement of the branching ratio for the previously observed decay mode LAMBDA(c)+ --> SIGMA+pi+pi-. We find its branching ratio relative to pK-pi+ to be 0.74 +/- 0.07 +/- 0.09.
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1993-11
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AMERICAN PHYSICAL SOC
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p3255_1.pdf
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KUBOTA, Y, LATTERY, M, et al. Measurement of exclusive lambda(c)-decays with a sigma(+) in the final state. PHYSICAL REVIEW LETTERS. November 1993. 71(20) : 3255-3258