Color dressed unitarity and recursion for Yang-Mills two-loop all-plus amplitudes

被引：14

作者：

Dunbar, David C. ^{[1
]}

Godwin, John H. ^{[1
]}

Perkins, Warren B. ^{[1
]}

Strong, Joseph M. W. ^{[1
]}

机构：

[1] Swansea Univ, Coll Sci, Swansea SA2 8PP, W Glam, Wales

来源：

PHYSICAL REVIEW D | 2020年 / 101卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

GROUP-THEORY CONSTRAINTS; ONE-LOOP; QCD; TREE;

D O I：

10.1103/PhysRevD.101.016009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a direct computation of the full color two-loop five-point all-plus Yang-Mills amplitude using four dimensional unitarity and recursion. We present the SU(N-c) amplitudes in compact analytic forms. Our results match the explicit expressions previously computed but do not require full two-loop integral methods.

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页数：15

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