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FURTHER INVESTIGATION ON THE PRECISE FORMULATION OF THE EQUIVALENCE THEOREM
HE, HJ; KUANG, YP; LI, XY
1994
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号49期号:9页码:4842-4872
摘要Based on a systematic analysis of the renormalization schemes in the general R(xi) gauge, the precise formulation of the equivalence theorem for longitudinal weak boson scatterings is given both in the SU(2)L Higgs theory and in the realistic SU(2) x U(1) electroweak theory to all orders in the perturbation for an arbitrary Higgs boson mass m(H). It is shown that there is generally a renormalization-scheme- and xi dependent modification factor C(mod) and a simple formula for C(mod) is obtained. Furthermore, a convenient particular renormalization scheme is proposed in which C(mod) is exactly unity. Results of C(mod) in other currently used schemes are also discussed especially on their xi and m(H) dependence through explicit one-loop calculations. It is shown that in some currently used schemes the deviation Of C(mod) from unity and the xi dependence of C(mod) are significant even in the large-m(H) limit. Therefore care should be taken when applying the equivalence theorem.
部门归属CHINA CTR ADV SCI & TECHNOL,WORLD LAB,BEIJING 100080,PEOPLES R CHINA; TSING HUA UNIV,DEPT PHYS,BEIJING 100084,PEOPLES R CHINA; ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Radiative-corrections Standard Model Ww Scattering Symmetry-breaking Gauge Theories Higgs Renormalization Unitarity Bosons Mass
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11915
专题理论物理所1978-2010年知识产出
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HE, HJ,KUANG, YP,LI, XY. FURTHER INVESTIGATION ON THE PRECISE FORMULATION OF THE EQUIVALENCE THEOREM[J]. PHYSICAL REVIEW D,1994,49(9):4842-4872.
APA HE, HJ,KUANG, YP,&LI, XY.(1994).FURTHER INVESTIGATION ON THE PRECISE FORMULATION OF THE EQUIVALENCE THEOREM.PHYSICAL REVIEW D,49(9),4842-4872.
MLA HE, HJ,et al."FURTHER INVESTIGATION ON THE PRECISE FORMULATION OF THE EQUIVALENCE THEOREM".PHYSICAL REVIEW D 49.9(1994):4842-4872.
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