Pion and kaon valence-quark parton distribution functions.
- Physics
A rainbow-ladder truncation of QCD's Dyson-Schwinger equations, constrained by existing applications to hadron physics, is employed to compute the valence-quark parton distribution functions of the pion and kaon. Comparison is made to {pi}-N Drell-Yan data for the pion's u-quark distribution and to Drell-Yan data for the ratio u{sub K}(x)/u{sub {pi}}(x): the environmental influence of this quantity is a parameter-free prediction, which agrees well with existing data. Our analysis unifies the computation of distribution functions with that of numerous other properties of pseudoscalar mesons.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1020679
- Report Number(s):
- ANL/PHY/JA-69350
- Journal Information:
- Phys. Rev. C, Journal Name: Phys. Rev. C Journal Issue: 6 ; Jun. 16, 2011 Vol. 83; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- ENGLISH
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