Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme

Abstract We present the calculation of the full next-to-leading order (NLO) QCD corrections to Higgs boson pair production via gluon fusion at the LHC, including the exact top-mass dependence in the two-loop virtual and one-loop real corrections. This is the first independent cross-check of the NLO...

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Main Authors: J. Baglio, F. Campanario, S. Glaus, M. Mühlleitner, M. Spira, J. Streicher
Format: Article
Language:English
Published: SpringerOpen 2019-05-01
Series:European Physical Journal C: Particles and Fields
Online Access:http://link.springer.com/article/10.1140/epjc/s10052-019-6973-3
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author J. Baglio
F. Campanario
S. Glaus
M. Mühlleitner
M. Spira
J. Streicher
author_facet J. Baglio
F. Campanario
S. Glaus
M. Mühlleitner
M. Spira
J. Streicher
author_sort J. Baglio
collection DOAJ
description Abstract We present the calculation of the full next-to-leading order (NLO) QCD corrections to Higgs boson pair production via gluon fusion at the LHC, including the exact top-mass dependence in the two-loop virtual and one-loop real corrections. This is the first independent cross-check of the NLO QCD corrections presented in the literature before. Our calculation relies on numerical integrations of Feynman integrals, stabilised with integration-by-parts and a Richardson extrapolation to the narrow width approximation. We present results for the total cross section as well as for the invariant Higgs-pair-mass distribution at the LHC, including for the first time a study of the uncertainty due to the scheme and scale choice for the top mass in the loops.
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spelling doaj.art-83292bac5bf44e1fa88a615edb1a3c522022-12-22T01:37:30ZengSpringerOpenEuropean Physical Journal C: Particles and Fields1434-60441434-60522019-05-017961910.1140/epjc/s10052-019-6973-3Gluon fusion into Higgs pairs at NLO QCD and the top mass schemeJ. Baglio0F. Campanario1S. Glaus2M. Mühlleitner3M. Spira4J. Streicher5Institute for Theoretical Physics, Eberhard Karls Universität TübingenTheory Division, IFIC, University of Valencia-CSICInstitute for Theoretical Physics, Karlsruhe Institute of TechnologyInstitute for Theoretical Physics, Karlsruhe Institute of TechnologyTheory Group LTP, Paul Scherrer InstitutInstitute for Theoretical Physics, Eberhard Karls Universität TübingenAbstract We present the calculation of the full next-to-leading order (NLO) QCD corrections to Higgs boson pair production via gluon fusion at the LHC, including the exact top-mass dependence in the two-loop virtual and one-loop real corrections. This is the first independent cross-check of the NLO QCD corrections presented in the literature before. Our calculation relies on numerical integrations of Feynman integrals, stabilised with integration-by-parts and a Richardson extrapolation to the narrow width approximation. We present results for the total cross section as well as for the invariant Higgs-pair-mass distribution at the LHC, including for the first time a study of the uncertainty due to the scheme and scale choice for the top mass in the loops.http://link.springer.com/article/10.1140/epjc/s10052-019-6973-3
spellingShingle J. Baglio
F. Campanario
S. Glaus
M. Mühlleitner
M. Spira
J. Streicher
Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
European Physical Journal C: Particles and Fields
title Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
title_full Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
title_fullStr Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
title_full_unstemmed Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
title_short Gluon fusion into Higgs pairs at NLO QCD and the top mass scheme
title_sort gluon fusion into higgs pairs at nlo qcd and the top mass scheme
url http://link.springer.com/article/10.1140/epjc/s10052-019-6973-3
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