General Forms of the Polarization Tensors of Z→3γ and γγ→γγ

JIANG Xiang-Dong; ZHOU Xian-Jian

Chinese Physics C> 1993, Vol. 17> Issue(10) : 898-906

General Forms of the Polarization Tensors of Z→3γ and γγ→γγ

JIANG Xiang-Dong ^, ,
ZHOU Xian-Jian

Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
In this paper the general forms of the polarization tensors of Z→3γ decay and γ→γ scattering at one-loop level are discussed.The constrained equations for the tensors are deduced from the S₃ symmetry and gauge invariance.We give the procedures of our method and compare the results of W-boson-loop with those of fermion-loop.

References

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R. Kurplun, M. Neuman，Phys. Rev. ,80(1950);.380;83(1951).776;V. Cunaantini,B. De Tollin, G. Pistoni.Nuvvo Cimento,A2(1971),733[2]M.L.Lauresen.K.O.Mikelian.M. A. Samnrl.Phys. Rev，D23(1981).2795;D25(1982)710;M.L.Laursen,M.A.Samnel,Zeits fur physik,C14(1982),325;E.W.N Glover and J.J.van der Bij.CERN 89-08,volume 2,Pl-57.[3]X.D.Jiang,X.J.Zhou,BHEP-TH-91-37.

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JIANG Xiang-Dong and ZHOU Xian-Jian. General Forms of the Polarization Tensors of Z→3γ and γγ→γγ[J]. Chinese Physics C, 1993, 17(10): 898-906.

JIANG Xiang-Dong and ZHOU Xian-Jian. General Forms of the Polarization Tensors of Z→3γ and γγ→γγ[J]. Chinese Physics C, 1993, 17(10): 898-906. shu

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Received: 1900-01-01
Revised: 1900-01-01

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