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Flavor and spin structure of hyperons from quark fragmentation
Ma, BQ; Schmidt, I; Soffer, J; Yang, JJ; Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
2000
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号62期号:11页码:-
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.
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
关键词Lambda-baryon Production Magnetic-moment Production Polarization e(+)e(-) Annihilation Parton Distributions 800-gev/c Protons Wave-function Rotation Decays Sigma++
学科领域Physics
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收录类别SCI
WOS记录号WOS:000165612800028
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被引频次:51[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12873
专题理论物理所1978-2010年知识产出
通讯作者Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
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Ma, BQ,Schmidt, I,Soffer, J,et al. Flavor and spin structure of hyperons from quark fragmentation[J]. PHYSICAL REVIEW D,2000,62(11):-.
APA Ma, BQ,Schmidt, I,Soffer, J,Yang, JJ,&Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2000).Flavor and spin structure of hyperons from quark fragmentation.PHYSICAL REVIEW D,62(11),-.
MLA Ma, BQ,et al."Flavor and spin structure of hyperons from quark fragmentation".PHYSICAL REVIEW D 62.11(2000):-.
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