Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-06-04
Phys.Rev.D74:056002,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
26 pages, 13 figures; minor changes and misprints corrected; version to appear in PRD
Scientific paper
10.1103/PhysRevD.74.056002
We study QCD effects in single graviton production at the CERN Large Hadron Collider (LHC) in the Randall-Sundrum (RS) Model. We present in detail the complete next-to-leading order (NLO) QCD corrections to the inclusive total cross sections. The NLO QCD corrections enhance significantly the total cross sections and decrease efficiently the dependence of the total cross sections on the factorization and renormalization scales. We also examine the uncertainty of the total cross sections due to the parton distribution function (PDF) uncertainties. For the differential cross sections on the transverse momentum ($q_T$) of the graviton, within the CSS resummation formalism, we resum the logarithmically-enhanced terms at small $q_T$ to all orders up to NLO logatithmic accuracy. Combined with the fixed order calculations, we give consistent predictions for both small $q_T$ and large $q_T$.
Li Chong Sheng
Li Qiang
Yang Li Lin
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