Two-loop gg → Hg amplitude mediated by a nearly massless quark

被引：21

作者：

Melnikov, Kirill ^{[1
]}

Tancredi, Lorenzo ^{[1
]}

Wever, Christopher ^{[1
,2
]}

机构：

[1] KIT, Inst Theoret Particle Phys, Wolfgang Gaede Str 1, D-76128 Karlsruhe, Germany

[2] KIT, Inst Kernphys, Hermann von Helmholtz Pl 1, D-76344 Eggenstein Leopoldshafen, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 11期

关键词：

NLO Computations; QCD Phenomenology; MASTER INTEGRALS; FEYNMAN; MOMENTA; JETS;

D O I：

10.1007/JHEP11(2016)104

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 analytically compute the two-loop scattering amplitude gg -> Hg assuming that the mass of the quark, that mediates the ggH interaction, is vanishingly small. Our computation provides an important ingredient required to improve the theoretical description of the top-bottom interference effect in Higgs boson production in gluon fusion, and to elucidate its impact on the Higgs boson transverse momentum distribution.

引用

页数：27

共 33 条

[1] Anastasiou C., 2016, JHEP, V05
[2] [Anonymous], 1996, QCD PROC THEORETICAL
[3] [Anonymous], ARXIV160609253
[4] [Anonymous], ARXIV12122685
[5] Resummation ambiguities in the Higgs transverse-momentum spectrum in the Standard Model and beyond
Bagnaschi, E.
Harlander, R. V.
Mantler, H.
Vicini, A.
Wiesemann, M.
[J]. JOURNAL OF HIGH ENERGY PHYSICS, 2016, (01): : 1 - 42
[6] Quark masses in Higgs production with a jet veto
Banfi, Andrea
Monni, Pier Francesco
Zanderighi, Giulia
[J]. JOURNAL OF HIGH ENERGY PHYSICS, 2014, (01):
[7] Introduction to the GiNaC framework for symbolic computation within the C++ programming language
Bauer, C
Frink, A
Kreckel, R
[J]. JOURNAL OF SYMBOLIC COMPUTATION, 2002, 33 (01) : 1 - 12
[8] Asymptotic expansion of Feynman integrals near threshold
Beneke, M
Smirnov, VA
[J]. NUCLEAR PHYSICS B, 1998, 522 (1-2) : 321 - 344
[9] Bonciani R., ARXIV160906685
[10] The Higgs transverse momentum spectrum with finite quark masses beyond leading order
Caola, Fabrizio
Forte, Stefano
Marzani, Simone
Muselli, Claudio
Vita, Gherardo
[J]. JOURNAL OF HIGH ENERGY PHYSICS, 2016, (08):

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