One-loop single-real-emission contributions to pp → H plus X at next-to-next-to-next-to-leading order

被引：44

作者：

Kilgore, William B. ^{[1
]}

机构：

[1] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW D | 2014年 / 89卷 / 07期

关键词：

HIGGS-BOSON PRODUCTION; EXPANDING HYPERGEOMETRIC-FUNCTIONS; 2-LOOP MASTER INTEGRALS; DECAY; JETS; QCD;

D O I：

10.1103/PhysRevD.89.073008

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

I compute the contributions of the one-loop single-real-emission amplitudes, gg -> Hg, qg -> Hq, etc., to inclusive Higgs boson production through next-to-next-to-next-to-leading order ( (NLO)-L-3) in the strong coupling alpha(s). The next-to-leading and next-to-next-to-leading order terms are computed in closed form, in terms of G functions and the hypergeometric functions F-2(1) and F-3(2). I compute the (NLO)-L-3 terms as Laurent expansions in the dimensional regularization parameter through order (epsilon(1)). To obtain the (NLO)-L-3 terms, I perform an extended threshold expansion of the phase space integrals and map the resulting coefficients onto a basis of harmonic polylogarithms.

引用

页数：22

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