Associated production of Higgs boson and heavy quarks at the LHC: predictions with the kt-factorization

Details Associated production of Higgs boson and heavy quarks at the LHC: predictions with the kt-factorization Associated production of Higgs boson and heavy quarks at the LHC: predictions with the kt-factorization

2009-05-12

arxiv.org/abs/0905.1894v2

Phys.Rev.D80:013006,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages, 11 figures

Scientific paper

10.1103/PhysRevD.80.013006

In the framework of the kt-factorization approach, we study the production of Higgs bosons associated with a heavy (beauty or top) quark pair at the CERN LHC collider conditions. Our consideration is based mainly on the off-shell gluon-gluon fusion suprocess g + g -> Q + Q + H. The corresponding matrix element squared have been calculated for the first time. We investigate the total and differential cross sections of bbH and ttH production taking into account also the non-negligible contribution from the q + q -> Q + Q + H mechanism. In the numerical calculations we use the unintegrated gluon distributions obtained from the CCFM evolution equation. Our results are compared with the leading and next-to-leading order predictions of the collinear factorization of QCD.

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