Analytic results for the one-loop NMHV H(q)over-barqgg amplitude

被引：33
作者：
Badger, Simon [1 ]
Campbell, John M. [2 ]
Ellis, R. Keith [3 ]
Williams, Ciaran [4 ]
机构：
[1] DESY, D-15738 Zeuthen, Germany
[2] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland
[3] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[4] Univ Durham, Dept Phys, Durham DH1 3LE, England
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 12期
基金：
美国能源部;
关键词：
Higgs Physics; NLO Computations; Hadronic Colliders; QCD; HIGGS-BOSON; UNITARITY; SCATTERING; JETS; CUT;
D O I：
10.1088/1126-6708/2009/12/035
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We compute the one-loop amplitude for a Higgs boson, a quark-antiquark pair and a pair of gluons of negative helicity, i.e. for the next-to-maximally helicity violating (NMHV) case, A(H, 1((q) over bar)(-), 2(q)(+), 3(g)(-), 4(g)(-)). The calculation is performed using an effective Lagrangian which is valid in the limit of very large top quark mass. As a result of this paper all amplitudes for the transition of a Higgs boson into 4 partons are now known analytically at one-loop order.
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页数：22
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