Two parton shower background for associate W Higgs production

Details Two parton shower background for associate W Higgs production Two parton shower background for associate W Higgs production

2008-03-05

arxiv.org/abs/0803.0646v1

Eur.Phys.J.C61:1-31,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

35 pages and 10 figures in eps files

Scientific paper

10.1140/epjc/s10052-009-0961-y

The estimates of the background for the associate W Higgs production, which stems from the two parton shower production. It is about 1 - 2.5 times larger than the signal. However, this background does not depend on the rapidity difference between the W and the $b \bar{b}$ pair, while the signal peaks when the rapidity difference is zero. The detailed calculations for the enhanced diagrams' contribution to this process, are presented, and it is shown that the overlapping singularities, being important theoretically, lead to a negligible contribution for the LHC range of energies

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