Pion and kaon valence-quark parton distribution functions
Journal Article
·
· Physical Review. C, Nuclear Physics
- Center for Nuclear Research, Department of Physics, Kent State University, Kent, Ohio 44242 (United States)
- Instituto de Fisica y Matematicas, Universidad Michoacana de San Nicolas de Hidalgo, Morelia, Michoacan 58040 (Mexico)
- Kavli Institute for Theoretical Physics China, CAS, Beijing 100190 (China)
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.
- OSTI ID:
- 21502755
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 83, Issue 6; Other Information: DOI: 10.1103/PhysRevC.83.062201; (c) 2011 American Institute of Physics; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COMPARATIVE EVALUATIONS
DISTRIBUTION
DISTRIBUTION FUNCTIONS
DRELL MODEL
EQUATIONS
FORECASTING
KAONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
SIMULATION
U QUARKS
BOSONS
ELEMENTARY PARTICLES
EVALUATION
FERMIONS
FIELD THEORIES
FUNCTIONS
HADRONS
MESONS
QUANTUM FIELD THEORY
QUARKS
STRANGE MESONS
STRANGE PARTICLES
COMPARATIVE EVALUATIONS
DISTRIBUTION
DISTRIBUTION FUNCTIONS
DRELL MODEL
EQUATIONS
FORECASTING
KAONS
PIONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
SIMULATION
U QUARKS
BOSONS
ELEMENTARY PARTICLES
EVALUATION
FERMIONS
FIELD THEORIES
FUNCTIONS
HADRONS
MESONS
QUANTUM FIELD THEORY
QUARKS
STRANGE MESONS
STRANGE PARTICLES