Higgs-differential cross section at NNLO in dimensional regularisation

被引：20

作者：

Dulat, Falko ^{[1
]}

Lionetti, Simone ^{[2
]}

Mistlberger, Bernhard ^{[3
]}

Pelloni, Andrea ^{[2
]}

Specchia, Caterina ^{[2
]}

机构：

[1] Stanford Univ, SLAC Natl Accelerator Lab, 2575 Sand Hill Rd, Menlo Pk, CA 94025 USA

[2] ETH, Inst Theoret Phys, Wolfgang Pauli Str 27, CH-8093 Zurich, Switzerland

[3] CERN, Theory Div, CH-1211 Geneva 23, Switzerland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2017年 / 07期

基金：

瑞士国家科学基金会;

关键词：

Higgs Physics; Perturbative QCD; EXPANDING HYPERGEOMETRIC-FUNCTIONS; 3-LOOP SPLITTING FUNCTIONS; BOSON PRODUCTION; BETA-FUNCTION; QCD; RENORMALIZATION; DISTRIBUTIONS; ALGORITHM; EQUATIONS;

D O I：

10.1007/JHEP07(2017)017

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 present an analytic computation of the Higgs production cross section in the gluon fusion channel, which is differential in the components of the Higgs momentum and inclusive in the associated partonic radiation through NNLO in perturbative QCD. Our computation includes the necessary higher order terms in the dimensional regulator beyond the finite part that are required for renormalisation and collinear factorisation at (NLO)-L-3. We outline in detail the computational methods which we employ. We present numerical predictions for realistic final state observables, specifically distributions for the decay products of the Higgs boson in the gamma gamma decay channel.

引用

页数：28

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