W-boson pair production at lepton colliders in the Feynman-diagram gauge

被引:1
作者
Furusato, Hiroyuki [1 ]
Mawatari, Kentarou [1 ,2 ,3 ]
Suzuki, Yutaro [2 ]
Zheng, Ya-Juan [3 ]
机构
[1] Iwate Univ, Grad Sch Sci & Engn, Morioka, Iwate 0208550, Japan
[2] Iwate Univ, Grad Sch Arts & Sci, Morioka, Iwate 0208550, Japan
[3] Iwate Univ, Fac Educ, Morioka, Iwate 0208550, Japan
关键词
D O I
10.1103/PhysRevD.110.053005
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We calculate helicity amplitudes for e-e & thorn;-* W-W & thorn; analytically in the Feynman-diagram (FD) gauge. We show that, unlike in the unitary gauge, there is no energy growth of the individual Feynman amplitudes for the longitudinally polarized W bosons, and the contributions from the associated Goldstone bosons are manifest even without taking the high-energy limit. We also find that the physical distributions can be interpreted by the individual amplitudes in the FD gauge.
引用
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页数:8
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