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题名: Flavor and spin structure of hyperons from quark fragmentation
作者: Ma, BQ ;  Schmidt, I ;  Soffer, J ;  Yang, JJ
刊名: PHYSICAL REVIEW D
出版日期: 2000
卷号: 62, 期号:11, 页码:-
关键词: LAMBDA-BARYON PRODUCTION ;  MAGNETIC-MOMENT ;  PRODUCTION POLARIZATION ;  E(+)E(-) ANNIHILATION ;  PARTON DISTRIBUTIONS ;  800-GEV/C PROTONS ;  WAVE-FUNCTION ;  ROTATION ;  DECAYS ;  SIGMA+
学科分类: Physics
通讯作者: Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
部门归属: Peking Univ, Dept Phys, Beijing 100871, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile; CNRS, Ctr Phys Theor, F-13288 Marseille 9, France; Nanjing Normal Univ, Dept Phys, Nanjing 210097, Peoples R China
英文摘要: We systematically study the hadron longitudinal polarizations of the octet baryons at large z from quark fragmentations in e(+)e(-)-annihilation, the polarized charged lepton deep inelastic scattering (DIS) process, and the neutrino (antineutrino) DIS process, based on predictions of quark distributions for the octet baryons in the SU(6) quark-spectator-diquark model and a perturbative QCD based counting rule analysis. We show that the e(+)e(-) annihilation and the polarized charged lepton DIS process are able to distinguish between the two different predictions of the hyperon polarizations. We also find that the neutrino-antineutrino DIS process is ideal in order to study both the valence content of the hyperons and the antiquark to hyper-on (quark to antihyperon) fragmentations, which might be related to the sea content of hyperons.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000165612800028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12873
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:
Ma, BQ,Schmidt, I,Soffer, J,et al. Flavor and spin structure of hyperons from quark fragmentation[J]. PHYSICAL REVIEW D,2000,62(11):-.
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