Direct proof of the tree-level scattering amplitude recursion relation in Yang-mills theory.
作者信息
Britto Ruth, Cachazo Freddy, Feng Bo, Witten Edward
机构信息
School of Natural Sciences, Institute for Advanced Study, Princeton, NJ 08540, USA.
出版信息
Phys Rev Lett. 2005 May 13;94(18):181602. doi: 10.1103/PhysRevLett.94.181602. Epub 2005 May 10.
Abstract
Recently, by using the known structure of one-loop scattering amplitudes for gluons in Yang-Mills theory, a recursion relation for tree-level scattering amplitudes has been deduced. Here, we give a short and direct proof of this recursion relation based on properties of tree-level amplitudes only.
摘要
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