ONE-LOOP MULTIPHOTON HELICITY AMPLITUDES

被引：80

作者：

MAHLON, G

机构：

[1] Fermi National Accelerator Laboratory, Batavia, IL 60510

来源：

PHYSICAL REVIEW D | 1994年 / 49卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.49.2197

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We use the solutions to the recursion relations for double-off-shell fermion currents to compute helicity amplitudes for n-photon scattering and electron-positron annihilation to photons in the massless limit of QED. The form of these solutions is simple enough to allow all of the integrations to be performed explicitly. For n-photon scattering, we find that unless n = 4 the amplitudes for the helicity configurations (+++...+) and (-++...+) vanish to one-loop order.

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页码：2197 / 2210

页数：14

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