Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-11-07
Nucl.Phys.B471:471-502,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX file, 30 pages, 12 figures and psfig.sty included in a second uufile. The full ready-to-print postscript manuscript is a
Scientific paper
10.1016/0550-3213(96)00193-9
Production of rare particles within rapidity gaps has been proposed as a background-free signal for the detection of new physics at hadron colliders. No complete formalism accounts for such processes yet. We study a simple lowest-order QCD model for their description. Concentrating on Higgs production, we show that the calculation of the cross section pp -> pp H can be embedded into existing models which successfully account for diffractive data. We extend those models to take into account single and double diffractive cross sections pp -> H X1 X2 with a gap between the fragments X1 and X2. Using conservative scenarios, we evaluate the uncertainties in our calculation, and study the dependence of the cross section on the gap width. We predict that Higgs production within a gap of 4 units of rapidity is about 0.3 pb for a 100 GeV Higgs at the Tevatron, and almost 2 pb for a 400 GeV Higgs within a gap of 6 units at the LHC with 14 TeV beams.
Cudell Jean-Rene
Hernandez Oscar F.
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