An NNLO subtraction formalism in hadron collisions and its application to Higgs boson production at the LHC

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dc.creatorCatani, S.
dc.creatorGrazzini, M.
dc.date2007-03-01
dc.date2007-06-06
dc.date.accessioned2026-07-07T11:59:10Z
dc.date.available2026-07-07T11:59:10Z
dc.descriptionWe consider higher-order QCD corrections to the production of colourless high-mass systems (lepton pairs, vector bosons, Higgs bosons,...) in hadron collisions. We propose a new formulation of the subtraction method to numerically compute arbitrary infrared-safe observables for this class of processes. To cancel the infrared divergences, we exploit the universal behaviour of the associated transverse-momentum (q_T) distributions in the small-q_T region. The method is illustrated in general terms up to the next-to-next-to-leading order (NNLO) in QCD perturbation theory. As a first explicit application, we study Higgs boson production through gluon fusion. Our calculation is implemented in a parton level Monte Carlo program that includes the decay of the Higgs boson in two photons. We present selected numerical results at the LHC.
dc.descriptionReferences added
dc.identifierhttps://arxiv.org/abs/hep-ph/0703012
dc.identifierhttp://arxiv.org/abs/hep-ph/0703012
dc.identifierPhys.Rev.Lett.98:222002,2007
dc.identifierdoi:10.1103/PhysRevLett.98.222002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206472
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleAn NNLO subtraction formalism in hadron collisions and its application to Higgs boson production at the LHC
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