The influence of direct D-meson production on the determination of the nucleon strangeness asymmetry via dimuon events in neutrino experiments
Gao PZ(高溥泽); Gao, P; Ma, BQ
刊名EUROPEAN PHYSICAL JOURNAL C
2008
卷号58期号:1页码:#REF!
学科分类Physics
DOI10.1140/epjc/s10052-008-0733-0
通讯作者Gao, P (reprint author), CAS, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
文章类型Article
英文摘要Experimentally, the production of oppositely charged dimuon events by neutrino and antineutrino deep inelastic scattering (DIS) is used to determine the strangeness asymmetry inside a nucleon. Here we point out that the direct production of a D-meson in DIS may have a substantial influence on the measurement of nucleon strangeness distributions. Direct D-meson production is via heavy quark recombination (HQR) and via light-quark fragmentation from perturbative QCD (LQF-P). To see the influence precisely, we compute the direct D-meson productions via HQR and LQF-P quantitatively and estimate their corrections to the analysis of the strangeness asymmetry. The results show that HQR has a stronger effect than LQF-P does, and the former may influence the experimental determination of the nucleon strangeness asymmetry.
类目[WOS]Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000261182900005
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225663
专题中国科学院高能物理研究所_理论物理室_期刊论文
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Gao PZ,Gao, P,Ma, BQ. The influence of direct D-meson production on the determination of the nucleon strangeness asymmetry via dimuon events in neutrino experiments[J]. EUROPEAN PHYSICAL JOURNAL C,2008,58(1):#REF!.
APA 高溥泽,Gao, P,&Ma, BQ.(2008).The influence of direct D-meson production on the determination of the nucleon strangeness asymmetry via dimuon events in neutrino experiments.EUROPEAN PHYSICAL JOURNAL C,58(1),#REF!.
MLA 高溥泽,et al."The influence of direct D-meson production on the determination of the nucleon strangeness asymmetry via dimuon events in neutrino experiments".EUROPEAN PHYSICAL JOURNAL C 58.1(2008):#REF!.
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