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Probing the valence quark region of nucleons with Z bosons at LHCb

Aug 10, 2022, 9:55 AM


Mrs Tianqi Li (South China Normal University)


The unique forward coverage of the LHCb spectrometer allows the valence quark distributions of protons and nuclei to be probed with unprecedented precision. In this high-x region, both the flavour content and structure of the nucleon's parton distribution functions remain relatively poorly known. New LHCb measurements of Z+charm jet production could be indicative of a valence-like intrinsic-charm component in the proton wavefunction, and measurements of Z production in pPb collisions provide new constraints on the partonic structure of nucleons bound inside nuclei. Here we will discuss these new LHCb measurements and comparisons with state-of-the-art parton distribution function calculations.

Primary author

Prof. Hengne Li (South China Normal University)


Mrs Tianqi Li (South China Normal University)

Presentation materials