Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-03-26
Z.Phys. C74 (1997) 611-614
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTex file with 3 figures, uses axodraw.sty (included)
Scientific paper
The cross sections for the formation of scalar resonances, leptoquarks or squarks, in electron/positron-proton collisions at HERA are presented including next-to-leading order QCD corrections. Depending mildly on the mass of the resonances, the K-factors increase the production cross sections by up to 30% if the target quarks are valence quarks. The QCD corrections to the partial decay widths of leptoquarks/squarks to leptons and quarks are small. The electron spectrum in the decays is softened nevertheless by perturbative gluon radiation at a level of 3.4 GeV for a leptoquark/squark mass of 200 GeV.
Plehn Tilman
Spiesberger Hubert
Spira Michael
Zerwas Peter M.
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