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arxiv: hep-ex/9812031 · v1 · submitted 1998-12-24 · ✦ hep-ex

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First Charm Hadroproduction Results from SELEX

SELEX Collaboration: J. Russ , et al

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classification ✦ hep-ex
keywords charmhadroproductionbeamshighparticleresultsselexspectrometer
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The SELEX experiment (E781) at Fermilab is a 3-stage magnetic spectrometer for the high statistics study of charm hadroproduction out to large x_F using 600 GeV Sigma^-, p and pi beams. The main features of the spectrometer are: high precision silicon vertex system, broad-coverage particle identification with TRD and RICH, 3-stage lead glass photon detector. Preliminary results on differences in hadroproduction characteristics of charm mesons and Lambda_c^+ for x_F>0.3 are reported. For baryon beams there is a striking asymmetry in the production of baryons compared to antibaryons. Leading particle effects for all incident hadrons are discussed.

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