Probing the strange content of the proton with charm production in charged 
current at LHeC

Abdolmaleki, Hamed; Bertone, Valerio; Britzger, Daniel; Camarda, Stefano; Cooper-Sarkar, Amanda; Geiser, Achim; Giuli, Francesco; Glazov, Alexander; Luszczak, Agnieszka; Novikov, Ivan; Olness, Fred; Sapronov, Andrey; Zenaiev, Oleksandr

doi:10.1140/epjc/s10052-019-7362-7

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Probing the strange content of the proton with charm production in charged current at LHeC

MPS-Authors

Abdolmaleki, Hamed
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Bertone, Valerio
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Britzger, Daniel
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Camarda, Stefano
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Cooper-Sarkar, Amanda
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Geiser, Achim
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Giuli, Francesco
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Glazov, Alexander
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Luszczak, Agnieszka
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Novikov, Ivan
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Olness, Fred
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Sapronov, Andrey
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Zenaiev, Oleksandr
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

Abdolmaleki, H., Bertone, V., Britzger, D., Camarda, S., Cooper-Sarkar, A., Geiser, A., et al. (2019). Probing the strange content of the proton with charm production in charged current at LHeC. European Physical Journal C, 79, 864. doi:10.1140/epjc/s10052-019-7362-7.

Cite as: https://hdl.handle.net/21.11116/0000-0005-D73D-5

Abstract

We study charm production in charged-current deep-inelastic scattering (DIS) using the xFitter framework. Recent results from the LHC have focused renewed attention on the determination of the strange-quark parton distribution function (PDF) and the DIS charm process provides important complementary constraints on this quantity. We examine the current PDF uncertainty, and use LHeC pseudodata to estimate the potential improvement from this proposed facility. As xFitter implements both fixed-flavor- and variable-flavor-number schemes, we can compare the impact of these different theoretical choices; this highlights some interesting aspects of multi-scale calculations. We find that the high-statistics LHeC data covering a wide kinematic range could substantially reduce the strange PDF uncertainty.