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Preserving local gauge invariance with t-channel Regge exchange
Haberzettl, H; Wang, XY; He, J; Haberzettl, H (reprint author), George Washington Univ, Inst Nucl Studies, Washington, DC 20052 USA.
2015
发表期刊PHYSICAL REVIEW C
卷号92期号:5页码:55503
文章类型Article
摘要Considering single-meson photo-and electroproduction off a baryon, it is shown how to restore local gauge invariance that was broken by replacing standard Feynman-type meson exchange in the t channel by exchange of a Regge trajectory. This is achieved by constructing a contact current whose four-divergence cancels the gauge-invariance-violating contributions resulting from all states above the base state on the Regge trajectory. To illustrate the procedure, modifications necessary for the process gamma + p -> K+ + Sigma(*0) are discussed in some detail. We also provide the general expression for the contact current for an arbitrary reaction.
学科领域Physics
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235]
DOIhttp://dx.doi.org/10.1103/PhysRevC.92.055503
关键词[WOS]PHOTOPRODUCTION ; NUCLEON ; LAMBDA ; PION
收录类别SCI
语种英语
资助者Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; Major State Basic Research Development Program in China [2014CB845405] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235] ; National Natural Science Foundation of China [11275235]
WOS类目Physics, Nuclear
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20789
专题理论物理所SCI论文
通讯作者Haberzettl, H (reprint author), George Washington Univ, Inst Nucl Studies, Washington, DC 20052 USA.
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GB/T 7714
Haberzettl, H,Wang, XY,He, J,et al. Preserving local gauge invariance with t-channel Regge exchange[J]. PHYSICAL REVIEW C,2015,92(5):55503.
APA Haberzettl, H,Wang, XY,He, J,&Haberzettl, H .(2015).Preserving local gauge invariance with t-channel Regge exchange.PHYSICAL REVIEW C,92(5),55503.
MLA Haberzettl, H,et al."Preserving local gauge invariance with t-channel Regge exchange".PHYSICAL REVIEW C 92.5(2015):55503.
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