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Extraction of polarized gluon distributions from large-(PT) light hadron pair production
Dong YB(董宇兵); Dong, YB; Morii, T; Yamanishi, T
2001
发表期刊PHYSICS LETTERS B
卷号520期号:1-2页码:#REF!
通讯作者Dong, YB (reprint author), Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China.
摘要We propose a new formula for extracting the polarized gluon distribution from the large-p(T) light hadron pair production for semi-inclusive processes in polarized deep inelastic scattering. In general, a large-p(T) hadron pair is produced via photon-gluon fusion (PGF) and QCD Compton at the lowest order of QCD. The PGF gives us a direct information on Deltag in the nucleon, while QCD Compton becomes background to the signal process for extracting Deltag. We show that the contribution from this background, i.e., the QCD Compton process, can be removed by using symmetry relation among fragmentation functions and taking an appropriate combination of various light hadron pair production processes, and thus the double spin asymmetry can be described in terms of Deltag/g alone. (C) 2001 Elsevier Science B.V. All rights reserved.
文章类型Article
学科领域Physics
DOI10.1016/S0370-2693(01)01122-4
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000171928000014
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226135
专题理论物理室
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GB/T 7714
Dong YB,Dong, YB,Morii, T,et al. Extraction of polarized gluon distributions from large-(PT) light hadron pair production[J]. PHYSICS LETTERS B,2001,520(1-2):#REF!.
APA 董宇兵,Dong, YB,Morii, T,&Yamanishi, T.(2001).Extraction of polarized gluon distributions from large-(PT) light hadron pair production.PHYSICS LETTERS B,520(1-2),#REF!.
MLA 董宇兵,et al."Extraction of polarized gluon distributions from large-(PT) light hadron pair production".PHYSICS LETTERS B 520.1-2(2001):#REF!.
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