Resummation ambiguities in the Higgs transverse-momentum spectrum in the Standard Model and beyond

Abstract

We study the prediction for the Higgs transverse momentum distribution in gluon fusion and focus on the problem of matching fixed- and all-order perturbative results. The main sources of matching ambiguities on this distribution are investigated by means of a twofold comparison. On the one hand, we present a detailed qualitative and quantitative comparison of two recently introduced algorithms for determining the matching scale. On the other hand, we apply the results of both methods to three widely used approaches for the resummation of logarithmically enhanced contributions at small transverse momenta: the MC@NLO and POWHEG Monte Carlo approaches, and analytic resummation. While the three sets of results are largely compatible in the low-pT region, they exhibit sizable differences at large pT. We show that these differences can be significantly reduced by suitable modifications of formally subleading terms in the Monte Carlo implementations. We apply our study to the Standard Model Higgs boson and to the neutral Higgs bosons of the Two-Higgs-Doublet Model for representative scenarios of the parameter space, where the top- and bottom-quark diagrams enter the cross section at different strength.

49 pages, 11 figures

References in corpus (18)

• Observation of a new particle in the search for the Standard Model Higgs boson with the ATLAS detector at the LHC
• Observation of a new boson at a mass of 125 GeV with the CMS experiment at the LHC
• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• Parton distributions for the LHC
• Matching NLO QCD computations with Parton Shower simulations: the POWHEG method
• LHAPDF6: parton density access in the LHC precision era
• Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
• SusHi: A program for the calculation of Higgs production in gluon fusion and bottom-quark annihilation in the Standard Model and the MSSM
• Higgs boson production in association with a jet at next-to-next-to-leading order
• Study of the spin and parity of the Higgs boson in diboson decays with the ATLAS detector
• Precise QCD predictions for the production of Higgs+jet final states
• Mass Effects in the Higgs-Gluon Coupling: Boosted vs Off-Shell Production
• Higgs production in association with bottom quarks
• Scalar Particle Contribution to Higgs Production via Gluon Fusion at NLO
• Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the $H\to \gamma \gamma$ and $H\to Z{Z}^{\ast }\to 4\ell$ Decay Channels at $\sqrt{s}=8$ TeV with the ATLAS Detector
• New LHC Benchmarks for the CP-conserving Two-Higgs-Doublet Model
• Finite top-mass effects in gluon-induced Higgs production with a jet-veto at NNLO
• Transverse momentum resummation for Higgs production via gluon fusion in the MSSM

Cited by in corpus (23)

• Search for additional neutral MSSM Higgs bosons in the $\tau \tau$ final state in proton-proton collisions at $\sqrt{s}=$ 13 TeV
• Higgs boson potential at colliders: status and perspectives
• Higgs Boson Production and Decay at Hadron Colliders
• Precision Studies of Observables in pp->W->l nu and pp->gamma,Z->l+l- processes at the LHC
• Searches for additional Higgs bosons and for vector leptoquarks in $\tau \tau$ final states in proton-proton collisions at $\sqrt{s}$ = 13 TeV
• Better Higgs-CP Tests Through Information Geometry
• Modeling BSM effects on the Higgs transverse-momentum spectrum in an EFT approach
• NNLOPS accurate predictions for $W^{+}{W}^{-}$ production
• Top-bottom interference effects in Higgs plus jet production at the LHC
• Two-loop $gg\to Hg$ amplitude mediated by a nearly massless quark
• Heavy-quark mass effects in Higgs plus jets production
• Two-loop amplitudes for $qg\to Hq$ and $q\bar{q}\to Hg$ mediated by a nearly massless quark
• Bottom-quark effects in Higgs production at intermediate transverse momentum
• Lepton-pair production in association with a $b\bar{b}$ pair and the determination of the $W$ boson mass
• RIP $Hb\bar{b}$: How other Higgs production modes conspire to kill a rare signal at the LHC
• Top-Yukawa contributions to bbH production at the LHC
• Light scalar production from Higgs bosons and FASER 2
• High energy resummation of transverse momentum distributions:Higgs in gluon fusion
• Phenomenology of on-shell Higgs production in the MSSM with complex parameters
• Higgs-boson production in the full theory at NNLO+PS
• Two-loop bottom mass effects on the Higgs transverse momentum spectrum in top-induced gluon fusion
• KrkNLO matching for colour-singlet processes
• Mass Dependence of Higgs Production at Large Transverse Momentum through a Bottom Quark Loop