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Author: Fernanda G. Garcia (1), Soon Yung Jun (2), for the SELEX Collaboration((1) Universidade de Sao Paulo, (2) Carnegie Mellon University)

Title: First Charm Baryon Physics from SELEX(E781)

Abstract: We present preliminary results on various aspects of charm baryon studies at the 1996-1997 fixed target experiment of Fermilab studying charm produced fromincident Sigma-, proton, and pi- beams at 600 GeV. First results include the comparison of hadroproduction asymmetries for Lambda_c+ production from the 3 beams as well x_F distributions and the first observation of the Cabbibo-suppressed decay Xi_c+ -> p K- pi+. The relative branching fraction of the Cabbibo-suppressed mode to the 3-body Cabbibo-favored modes is alsopresented.

Comments: 7 pages with 6 eps figures included, Latex

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