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Title

Scalar particle contribution to Higgs production via gluon fusion at NLO

AuthorsBonciani, Roberto ; Degrassi, G.; Vicini, A.
KeywordsSupersymmetry Phenomenology
NLO Computations
Hadronic Colliders
Supersymmetric spectra
2-loop Electroweak corrections
Hadron-hadron collisions
Proton-proton collisions
Boson production
QCD corrections
Logarithmic corrections
Issue Date29-Nov-2007
PublisherInternational School for Advanced Studies
Institute of Physics Publishing
CitationJournal of High Energy Physics 11: 095 (2007)
JHEP11(2007)095
AbstractWe consider the gluon fusion production cross section of a scalar Higgs boson in models where fermion and scalar massive colored particles are present. We report analytic expressions for the matrix elements of gg -> Hg, q(q)[overline] -> Hg, and qg -> Hq processes completing the calculation of the NLO QCD corrections in these extended scenarios. The formulas are written in a complete general case, allowing a flexible use for different theoretical models. Applications of our results to two different models are presented: i) a model in which the SM Higgs sector is augmented by a weak doublet scalar in the SU(Nc) adjoint representation. ii) The MSSM, in the limit of neglecting the gluino contribution to the cross section.
Description22 pages, 5 figures.-- ISI Article Identifier: 000252243700095.-- ArXiv pre-print available at: http://arxiv.org/abs/0709.4227
Publisher version (URL)http://dx.doi.org/10.1088/1126-6708/2007/11/095
URIhttp://hdl.handle.net/10261/9182
DOI10.1088/1126-6708/2007/11/095
ISSN1126-6708
E-ISSN1029-8479
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