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Parton distributions for the LHC

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Martin, A. D., Stirling, W. J., Thorne, R. S., Watt, G.·2009·The European Physical Journal C

Abstract

AbstractWe present updated leading-order, next-to-leading order and next-to-next-to-leading order parton distribution functions (“MSTW 2008”) determined from global analysis of hard-scattering data within the standard framework of leading-twist fixed-order collinear factorisation in the $\overline{\mathrm{MS}}$ scheme. These parton distributions supersede the previously available “MRST” sets and should be used for the first LHC data taking and for the associated theoretical calculations. New data sets fitted include CCFR/NuTeV dimuon cross sections, which constrain the strange-quark and -antiquark distributions, and Tevatron Run II data on inclusive jet production, the lepton charge asymmetry from W decays and the Z rapidity distribution. Uncertainties are propagated from the experimental errors on the fitted data points using a new dynamic procedure for each eigenvector of the covariance matrix. We discuss the major changes compared to previous MRST fits, briefly compare to parton distributions obtained by other fitting groups, and give predictions for the W and Z total cross sections at the Tevatron and LHC.

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Metadata

Authors
Martin, A. D., Stirling, W. J., Thorne, R. S., & Watt, G.
Venue
The European Physical Journal C
Published
2009-07-04
Volume
63
Issue
2
Pages
189-285
ISSN
  • 1434-6044 (ISSN-L)
  • 1434-6052
OpenAlex
W2151165908
Cited by
3,950
References
2
FWCI
160.01
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Parton distributions for the LHC. https://app.cochat.ai/papers/10.1140/epjc/s10052-009-1072-5
The paper
Martin, A. D., Stirling, W. J., Thorne, R. S., & Watt, G. (2009). Parton distributions for the LHC. The European Physical Journal C. https://doi.org/10.1140/epjc/s10052-009-1072-5

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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