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题名: Pion and kaon valence-quark parton distribution functions
作者: Nguyen, T ;  Bashir, A ;  Roberts, CD ;  Tandy, PC
刊名: PHYSICAL REVIEW C
出版日期: 2011
卷号: 83, 期号:6, 页码:62201
关键词: DYSON-SCHWINGER EQUATIONS ;  CHIRAL-SYMMETRY BREAKING ;  DRELL-YAN ;  HADRON PHYSICS ;  NJL MODEL ;  QCD ;  TUNGSTEN ;  NUCLEON ;  THEOREM ;  REGION
学科分类: Physics
通讯作者: Nguyen, T (reprint author), Kent State Univ, Dept Phys, Ctr Nucl Res, Kent, OH 44242 USA.
部门归属: [Trang Nguyen] Kent State Univ, Dept Phys, Ctr Nucl Res, Kent, OH 44242 USA; [Bashir, Adnan] Univ Michoacana, Inst Fis & Matemat, Morelia 58040, Michoacan, Mexico; [Bashir, Adnan; Roberts, Craig D.; Tandy, Peter C.] CAS, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Roberts, Craig D.] Argonne Natl Lab, Div Phys, Argonne, IL 60439 USA; [Roberts, Craig D.] Peking Univ, Dept Phys, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Roberts, Craig D.] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
英文摘要: 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(K)(x)/u(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.
资助者: US National Science Foundation [NSF-PHY-0903991]; USA-Mexico; Mexican agency CONACyT; US Department of Energy, Office of Nuclear Physics [DE-AC02-06CH11357]; Chinese Academy of Sciences [KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000291699700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14331
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Nguyen, T,Bashir, A,Roberts, CD,et al. Pion and kaon valence-quark parton distribution functions[J]. PHYSICAL REVIEW C,2011,83(6):62201.
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