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GENERAL-ANALYSIS OF WEAK DECAY FORM-FACTORS IN HEAVY TO HEAVY AND HEAVY TO LIGHT BARYON TRANSITIONS
HUSSAIN, F; LIU, DS; KRAMER, M; KORNER, JG; TAWFIQ, S; HUSSAIN, F , INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY.
1992
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号370期号:2页码:259-277
摘要We present a complete analysis of the heavy to heavy and heavy to light baryon semi-leptonic decays in the heavy quark effective theory within the framework of a Bethe-Salpeter (BS) approach and demonstrate the equivalence of this approach to other work in the field. We present in a compact form the baryon BS amplitudes which incorporate the symmetries manifest in the heavy quark limit and which also show clearly the light quark dynamics. A similar form of the BS amplitude is presented for light baryons. Using the BS amplitudes, the heavy to heavy and heavy to light semi-leptonic baryon decays are considered. As expected there is a dramatic reduction in the number of form factors. An advantage of our BS approach is demonstrated where the form factors are written as loop integrals which in principle can be calculated.
部门归属UNIV MAINZ,INST PHYS,W-6500 MAINZ,GERMANY; UNIV TRIESTE,DEPT THEORET PHYS,TRIESTE,ITALY; CHINESE ACAD SCI,INST THEORET PHYS,BEIJING,PEOPLES R CHINA
关键词Spin-dependent Forces
学科领域Physics
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收录类别SCI
WOS记录号WOS:A1992HH07100001
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12184
专题理论物理所SCI论文
通讯作者HUSSAIN, F , INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY.
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GB/T 7714
HUSSAIN, F,LIU, DS,KRAMER, M,et al. GENERAL-ANALYSIS OF WEAK DECAY FORM-FACTORS IN HEAVY TO HEAVY AND HEAVY TO LIGHT BARYON TRANSITIONS[J]. NUCLEAR PHYSICS B,1992,370(2):259-277.
APA HUSSAIN, F,LIU, DS,KRAMER, M,KORNER, JG,TAWFIQ, S,&HUSSAIN, F , INT CTR THEORET PHYS,I-34100 TRIESTE,ITALY..(1992).GENERAL-ANALYSIS OF WEAK DECAY FORM-FACTORS IN HEAVY TO HEAVY AND HEAVY TO LIGHT BARYON TRANSITIONS.NUCLEAR PHYSICS B,370(2),259-277.
MLA HUSSAIN, F,et al."GENERAL-ANALYSIS OF WEAK DECAY FORM-FACTORS IN HEAVY TO HEAVY AND HEAVY TO LIGHT BARYON TRANSITIONS".NUCLEAR PHYSICS B 370.2(1992):259-277.
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