Determination of strange sea quark distributions from fixed-target and collider data

Alekhin, S. and Blumlein, J. and Caminada, L. and Lipka, K. and Lohwasser, K. and Moch, Sven-Olaf and Petti, R. and Placakyte, R. (2015) Determination of strange sea quark distributions from fixed-target and collider data. PHYSICAL REVIEW D, 91 (9). ISSN 2470-0010

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Abstract

We present an improved determination of the strange sea distribution in the nucleon with con- straints coming from the recent charm production data in neutrino-nucleon deep-inelastic scatter- ing by the NOMAD and CHORUS experiments and from charged current inclusive deep-inelastic scattering at HERA. We demonstrate that the results are consistent with the data from the ATLAS and the CMS experiments on the associated production of W±-bosons with c-quarks. We also dis- cuss issues related to the recent strange sea determination by the ATLAS experiment using LHC collider data.

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