Determination of strange quark distribution using recent CMS measurements on W production

30 Apr 2014, 11:50
25m
B (BUW)

B

BUW

Oral presentation WG1: Structure Functions and Parton Densities WG1: Structure Functions and Parton Densities

Speaker

Ringaile Placakyte (Deutsches Elektronen-Synchrotron (DE))

Description

Associated W+charm production in proton-proton collisions at the LHC probes the strange quark in the proton at leading order. Recent CMS measurements of associated W+charm production and W muon charge asymmetry at 7 TeV are used together with HERA DIS data in a QCD analysis at next-to-leading order. The HERAFitter framework is used. The strange-quark fraction is determined as a function of the scaling variable x. Results are compared to measurements of ATLAS and NOMAD experiments.

Primary author

Monika Grothe (University of Wisconsin (US))

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