Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/11164
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Type: Journal article
Title: Heavy quark distribution functions in heavy baryons
Author: Guo, X.
Thomas, A.
Williams, A.
Citation: Physical Review. D. Particles, Fields, Gravitation and Cosmology, 2001; 64(9):096004-1-096004-12
Publisher: American Physical Soc
Issue Date: 2001
ISSN: 1550-7998
0556-2821
Organisation: Special Research Centre for the Subatomic Structure of Matter
Statement of
Responsibility: 
X.-H. Guo, A. W. Thomas, and A. G. Williams
Abstract: Using the Bethe-Salpeter (BS) equations for heavy baryons ΛQ, ΣQ, ΞQ and ΩQ (Q=b or c), which were established in previous work, we calculate the heavy quark distribution functions in these baryons. The numerical results indicate that these distribution functions have an obvious peak at some fraction α0 of the baryon’s light-cone “plus” momentum component carried by the heavy quark, and that as mQ becomes heavier this peak becomes sharper and closer to 1. The dependence of the distribution functions on various input parameters in the BS model is also discussed. The results are seen to be qualitatively similar to an existing phenomenological model.
Rights: © 2001 American Physical Society
RMID: 0020010444
DOI: 10.1103/PhysRevD.64.096004
Appears in Collections:Special Research Centre for the Subatomic Structure of Matter publications

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