Light and Intermediate Higgs boson search at Tevatron Energies

Details Light and Intermediate Higgs boson search at Tevatron Energies Light and Intermediate Higgs boson search at Tevatron Energies

1995-10-25

arxiv.org/abs/hep-ph/9510399v2

Mod.Phys.Lett.A10:25-38,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages including 8 figures as 9 gzipped and uuencoded postscript files

Scientific paper

10.1142/S0217732395000041

We study the Higgs boson search possibility at the TEVATRON energies. The detailed analysis of the 4-fermion final state reactions is presented. Among the complete set of Feynman diagrams the main contribution to the final states comes from the Higgs signal WH and ZH, from the backgrounds WZ, ZZ and gluonic background Wbb, Zbb with subssiquent decays of W, Z bosons. It is shown that the important contribution to the background is connected with single top quark production subreactions qq-bar --> tb-bar or t-bar b with the top decay to Wb. As a result of various distributions for Higgs signal and backgrounds a number of optimum cuts has been found. The finaleffective $b\bar{b}$ -- pair mass distribution allows to extract the signal from Higgs with mass up to about 100 GeV at 2 TeV C.M. energy and up to about 120 GeV at 4 TeV C.M. energy for the integrated luminosity 1000 inverse pb.

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