New parton distributions for collider physics

Details New parton distributions for collider physics New parton distributions for collider physics

2010-07-14

arxiv.org/abs/1007.2241v3

Phys.Rev.D82:074024,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

42 pages; minor adjustments

Scientific paper

10.1103/PhysRevD.82.074024

We extract new parton distribution functions (PDFs) of the proton by global analysis of hard scattering data in the general-mass framework of perturbative quantum chromodynamics. Our analysis includes new theoretical developments together with the most recent collider data from deep-inelastic scattering, vector boson production, and single-inclusive jet production. Due to the difficulty in fitting both the DO Run-II W lepton asymmetry data and some fixed-target DIS data, we present two families of PDFs, CT10 and CT10W, without and with these high-luminosity W lepton asymmetry data included in the global analysis. With both sets of PDFs, we study theoretical predictions and uncertainties for a diverse selection of processes at the Fermilab Tevatron and the CERN Large Hadron Collider.

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