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He, HX; Ji, XD; He, HX , MIT,CTR THEORET PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139, USA.
QCD sum rule calculation for the tensor charge of the nucleon
Source PublicationPHYSICAL REVIEW D
KeywordOdd Parton Distributions Resonance Physics Magnetic-moments
AbstractThe nucleon's tensor charges (isovector g(T)(u)psilon = delta u - delta d and isoscalar g(T)(s) = delta u + delta d) are calculated using the QCD sum rules in the presence of an external tensor field. In addition to the standard quark and gluon condensates, new condensates described by vacuum susceptibilities are induced by the external field. The latter contributions to g(T)(u)psilon and g(T)(s) are estimated to be small. After deriving some simplifying formulas, a detailed sum rule analysis yields g(T)(u)psilon = 1.29 +/- 0.51 and g(T)(s) = 1.37 +/- 0.55, or delta u = 1.33 +/- 0.53 and delta d = 0.04 +/- 0.02 at the scale of 1 GeV2.
1996
ISSN0556-2821
Volume54Issue:11Pages:6897-6902
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/12553
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHe, HX , MIT,CTR THEORET PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139, USA.
Recommended Citation
GB/T 7714
He, HX,Ji, XD,He, HX , MIT,CTR THEORET PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139, USA.. QCD sum rule calculation for the tensor charge of the nucleon[J]. PHYSICAL REVIEW D,1996,54(11):6897-6902.
APA He, HX,Ji, XD,&He, HX , MIT,CTR THEORET PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139, USA..(1996).QCD sum rule calculation for the tensor charge of the nucleon.PHYSICAL REVIEW D,54(11),6897-6902.
MLA He, HX,et al."QCD sum rule calculation for the tensor charge of the nucleon".PHYSICAL REVIEW D 54.11(1996):6897-6902.
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