Lambda Sub C Lambda Sub C Asymmetry In Hadroproduction From Heavy Quark Recombination

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Lambda Sub C Lambda Sub C Asymmetry In Hadroproduction From Heavy Quark Recombination

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Author :
language : en
Publisher:
Release Date : 2004

Lambda Sub C Lambda Sub C Asymmetry In Hadroproduction From Heavy Quark Recombination written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Asymmetries in the hadroproduction of charm particles directly probe power corrections to the QCD factorization theorems. In this paper, the heavy-quark recombination mechanism, a power correction that explains charm meson asymmetries, is extended to charm baryons. In this mechanism, a light quark participates in the hard scattering that creates a charm quark and they hadronize together into a charm baryon. This provides a natural and economical explanation for the [Lambda]{sub c}/[Lambda]{sub c}− asymmetries measured in piN and pN collisions.

High Energy Physics Index

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Author :
language : en
Publisher:
Release Date : 1994

High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Particles (Nuclear physics) categories.

Physics Briefs

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Author :
language : en
Publisher:
Release Date : 1986

Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Physics categories.

Lambda Sub C

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Author : G. Herrera
language : en
Publisher:
Release Date : 1997

Lambda Sub C written by G. Herrera and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Baryons categories.

Inclusive Lambda C Production In E E Annihilations At Sqrt S

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Author :
language : en
Publisher:
Release Date : 2006

Inclusive Lambda C Production In E E Annihilations At Sqrt S written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.

We present measurements of the total production rates and momentum distributions of the charmed baryon [Lambda]{sub c} in ee− 2!hadrons at a center-of-mass energy of 10.54 GeV and in [Upsilon](4S) decays. In hadronic events at 10.54 GeV, charmed hadrons are almost exclusively leading particles in e+e− 2!c{bar c} events, allowing direct studies of c-quark fragmentation. We measure a momentum distribution for [Lambda]{sub c}+ baryons that differs significantly from those measured previously for charmed mesons. Comparing with a number of models, we find none that can describe the distribution completely. We measure an average scaled momentum of (x{sub p}) = 0.574 ± 0.009 and a total rate of N{sub [Lambda]{sub c}}{sup q{bar q}} = 0.057 ± 0.002(exp.) ± 0.015(BF) [Lambda]{sub c}+ per hadronic event, where the experimental error is much smaller than that due to the branching fraction into the reconstructed decay mode, pK− [pi]+. In [Upsilon](4S) decays we measure a total rate of N{sub {Lambda}{sub c}}{sup [Upsilon]} = 0.091 ± 0.006(exp.) ± 0.024(BF) per {Upsilon}(4S) decay, and find a much softer momentum distribution than expected from B decays into a {Lambda}{sub c}+ plus an antinucleon and one to three pions.

Inclusive Production And Polarization Of Lambda Anti Lambda In Hadron Proton Interactions

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Author : Stephen A. Gourlay
language : en
Publisher:
Release Date : 1985

Inclusive Production And Polarization Of Lambda Anti Lambda In Hadron Proton Interactions written by Stephen A. Gourlay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with categories.

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Author :
language : en
Publisher:
Release Date : 1958

written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1958 with categories.