Resummation effects in Higgs boson transverse momentum distribution within the framework of unintegrated parton distributions

Details Resummation effects in Higgs boson transverse momentum distribution within the framework of unintegrated parton distributions Resummation effects in Higgs boson transverse momentum distribution within the framework of unintegrated parton distributions

2003-09-26

arxiv.org/abs/hep-ph/0309303v1

Phys.Rev. D70 (2004) 014003

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 5 figures

Scientific paper

10.1103/PhysRevD.70.014003

The cross sections describing the transverse momentum distributions of Higgs bosons are discussed within the framework of unintegrated parton distributions obtained from the CCFM equations in the single loop approximation. It is shown how the approximate treatment of the CCFM equations generates the standard expressions describing the soft gluon resummation effects in the corresponding cross sections. Possible differences between exact and approximate solutions of the CCFM equations are discussed on the example of the gg -> H fusion mechanism, which gives the dominant contribution to Higgs production.

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