PDF and scale uncertainties of various DY distributions in ADD and RS models at hadron colliders

Details PDF and scale uncertainties of various DY distributions in ADD and RS models at hadron colliders PDF and scale uncertainties of various DY distributions in ADD and RS models at hadron colliders

2006-04-16

arxiv.org/abs/hep-ph/0604135v2

Eur.Phys.J.C49:599-611,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

27 pages, 11 figures, the version to appear in European Physical Journal C

Scientific paper

10.1140/epjc/s10052-006-0054-0

In the extra dimension models of ADD and RS we study the dependence of the various parton distribution functions on observable of Drell-Yan process to NLO in QCD at LHC and Tevatron energies. Uncertainties at LHC due to factorisation scales in going from leading to next-to-leading order in QCD for the various distributions get reduced by about 2.75 times for a $\mu_F$ range $0.5 ~Q < \mu_F < 1.5 ~Q$. Further uncertainties arising from the error on experimental data are estimated using the MRST parton distribution functions.

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