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Ma, BQ; Schmidt, I; Soffer, J; Yang, JJ; Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
Helicity and transversity distributions of the nucleon and Lambda hyperon from Lambda fragmentation
Source PublicationPHYSICAL REVIEW D
KeywordQuark Spin (Lambda)Over-bar Polarization Melosh Rotation Tensor Charges Z-decays Asymmetry Flavor Proton Electroproduction Constraints
AbstractIt is shown that Lambda -hyperon fragmentation in charged lepton deep inelastic scattering on a polarized nucleon target can provide sensitive information concerning the quark helicity and transversity distributions for both the nucleon and Lambda hyperon at large x. Numerical predictions are given for the spin transfers of the produced Lambda, when the target nucleon is polarized either longitudinally or transversely, and with the nucleon and Lambda quark distributions evaluated both in an SU(6) quark-spectator-diquark model and in a perturbative QCD based model. It is also shown that the predicted spin transfers have different behaviors for proton and neutron targets, and this can provide sensitive tests of different predictions for the quark helicity and transversity distributions of the d valence quark of the proton at large x.
2001
ISSN0556-2821
Volume64Issue:1Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12717
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMa, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
Recommended Citation
GB/T 7714
Ma, BQ,Schmidt, I,Soffer, J,et al. Helicity and transversity distributions of the nucleon and Lambda hyperon from Lambda fragmentation[J]. PHYSICAL REVIEW D,2001,64(1):-.
APA Ma, BQ,Schmidt, I,Soffer, J,Yang, JJ,&Ma, BQ , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2001).Helicity and transversity distributions of the nucleon and Lambda hyperon from Lambda fragmentation.PHYSICAL REVIEW D,64(1),-.
MLA Ma, BQ,et al."Helicity and transversity distributions of the nucleon and Lambda hyperon from Lambda fragmentation".PHYSICAL REVIEW D 64.1(2001):-.
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