The E1+/M1+ and S1+/M1+ratios of gamma N ->Delta(1232) with a point-form relativistic quantum mechanics
Dong YB(董宇兵); Dong, YB
刊名PHYSICS LETTERS B
2006
卷号638期号:4页码:333-339
关键词relativistic quantum mechanism point-form nucleon resonances relativistic effect
学科分类Physics
DOI10.1016/j.physletb.2006.05.066
通讯作者CCAST, World Lab, Beijing 100080, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
文章类型Article
英文摘要The point-form relativistic quantum mechanics is employed to study the photo- and electro-productions of the nucleon resonances. Both the ratios of E1+/M1+ and S1+/M1+ of gamma N -> Delta transition are calculated. Configuration mixing effect is simply included. The results of the point-form relativistic quantum mechanics indicate that the relativistic effects provide a remarkable role both on the transition amplitudes and on the two ratios E1+/M1+ and S1+/M1+. It is found that small deformations of the nucleon and A resonance wave functions in D-wave can provides more sizable ratios in the point-form relativistic quantum mechanics than in the conventional non-relativistic constituent quark model. (c) 2006 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
WOS记录号WOS:000238774100006
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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/311005/237032
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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Dong YB,Dong, YB. The E1+/M1+ and S1+/M1+ratios of gamma N ->Delta(1232) with a point-form relativistic quantum mechanics[J]. PHYSICS LETTERS B,2006,638(4):333-339.
APA 董宇兵,&Dong, YB.(2006).The E1+/M1+ and S1+/M1+ratios of gamma N ->Delta(1232) with a point-form relativistic quantum mechanics.PHYSICS LETTERS B,638(4),333-339.
MLA 董宇兵,et al."The E1+/M1+ and S1+/M1+ratios of gamma N ->Delta(1232) with a point-form relativistic quantum mechanics".PHYSICS LETTERS B 638.4(2006):333-339.
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