Study on form factors at effective vertices
Yu, YM; Ke, HW; Ding, YB; Guo, XH; Jin, HY; Li, XQ; Shen, PN; Wan, GL; Shen PN(沈彭年)
刊名INTERNATIONAL JOURNAL OF MODERN PHYSICS A
2008
卷号23期号:19页码:2975-2990
关键词diquark form factor effective vertices
学科分类Physics
DOI10.1142/S0217751X08039815
通讯作者[Yu, Yan-Ming ; Ke, Hong-Wei ; Li, Xue-Qian] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ; [Ding, Yi-Bing] Chinese Acad Sci, Grad Sch, Dept Phys, Beijing 100049, Peoples R China ; [Guo, Xin-Heng] Beijing Normal Univ, Inst Low Energy Nucl Phys, Beijing 100875, Peoples R China ; [Jin, Hong-Ying] Zhejiang Univ, Inst Modern Phys, Hangzhou 310027, Peoples R China ; [Shen, Peng-Nian] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; [Wan, Guo-Li] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
文章类型Article
英文摘要The diquark structure in baryons is commonly accepted as a reasonable approximation which can much simplify the picture of baryons and reduce the length of calculations. However, a diquark by no means is a point-like particle, even though it is treated as a whole object. Therefore, to apply the diquark picture to phenomenological calculations, at the effective vertices for the diquark-gauge-boson interactions, suitable form factors must be introduced to compensate the effects caused by the inner structure of the diquark. It is crucial to derive the appropriate form factors for various interactions. In this work, we use the Bethe-Salpeter equation to derive such form factors and numerically evaluate their magnitudes. Our results not only qualitatively, but also quantitatively confirm the form factors phenomenologically introduced in literature.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000258778900007
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被引频次:2[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/311005/239850
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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GB/T 7714
Yu, YM,Ke, HW,Ding, YB,et al. Study on form factors at effective vertices[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2008,23(19):2975-2990.
APA Yu, YM.,Ke, HW.,Ding, YB.,Guo, XH.,Jin, HY.,...&沈彭年.(2008).Study on form factors at effective vertices.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,23(19),2975-2990.
MLA Yu, YM,et al."Study on form factors at effective vertices".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 23.19(2008):2975-2990.
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