The PDF4LHC Working Group Interim Report
Sergey Alekhin, Simone Alioli, Richard D. Ball, Valerio Bertone,, Johannes Blumlein, Michiel Botje, Jon Butterworth, Francesco Cerutti, Amanda, Cooper-Sarkar, Albert de Roeck, Luigi Del Debbio, Joel Feltesse, Stefano, Forte, Alexander Glazov, Alberto Guffanti, Claire Gwenlan
TL;DR
This report evaluates benchmark cross sections at the LHC using NLO calculations with modern PDFs, providing guidelines for PDF usage and uncertainties for high-energy physics analyses.
Contribution
It offers an assessment of LHC cross sections at 7 TeV with NLO and modern PDFs, along with practical guidance for PDF computations and uncertainties.
Findings
Benchmark cross sections at 7 TeV are analyzed.
Guidelines for PDF and uncertainty calculations are provided.
Recommendations for PDF usage at the LHC are summarized.
Abstract
This document is intended as a study of benchmark cross sections at the LHC (at 7 TeV) at NLO using modern parton distribution functions currently available from the 6 PDF fitting groups that have participated in this exercise. It also contains a succinct user guide to the computation of PDFs, uncertainties and correlations using available PDF sets. A companion note, also submitted to the archive, provides an interim summary of the current recommendations of the PDF4LHC working group for the use of parton distribution functions and of PDF uncertainties at the LHC, for cross section and cross section uncertainty calculations.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Superconducting Materials and Applications