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题名: The leading particle effect from light quark fragmentation in charm hadroproduction
作者: Gao, Puze ;  Ma, Bo-Qiang
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2007
卷号: 50, 期号:3, 页码:603-608
关键词: STRANGE-ANTISTRANGE SEA ;  SIGN DIMUONS ;  GEV/C PI(-) ;  NUCLEON-INTERACTIONS ;  MESON PRODUCTION ;  ASYMMETRIES ;  MODEL ;  DISTRIBUTIONS ;  P(T)(2) ;  HADRONS
学科分类: Physics
通讯作者: Gao, P , Peking Univ, Dept Phys, Beijing 100871, Peoples R China
部门归属: Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: The asymmetry of D- and D+ meson production in pi (-) N scattering observed by the E791 experiment is a phenomenon typical for what is known as the leading particle effect in charm hadroproduction. We show that the phenomenon can be explained by the effect of light quark fragmentation into charmed hadrons ( LQF). Meanwhile, the size of the LQF effect is estimated from the data of the E791 experiment. A comparison is made with the estimate of the LQF effect from the prompt like-sign dimuon rate in neutrino experiments. The influence of the LQF effect on the measurement of the nucleon strange distribution asymmetry from charged current charm production processes is briefly discussed.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000245853100010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5767
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Gao, Puze,Ma, Bo-Qiang. The leading particle effect from light quark fragmentation in charm hadroproduction[J]. EUROPEAN PHYSICAL JOURNAL C,2007,50(3):603-608.
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