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arXiv · 2311.14991

Precise QCD predictions for W-boson production in association with a charm jet

A. Gehrmann-De Ridder·T. Gehrmann·E. W. N. Glover·A. Huss·A. Rodriguez Garcia·G. Stagnitto
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Abstract

The production of a $W$-boson with a charm quark jet provides a highly sensitive probe of the strange quark distribution in the proton. Employing a novel flavour dressing procedure to define charm quark jets, we compute $W$+charm-jet production up to next-to-next-to-leading order (NNLO) in QCD. We study the perturbative stability of production cross sections with same-sign and opposite-sign charge combinations for the $W$ boson and the charm jet. A detailed breakdown according to different partonic initial states allows us to identify particularly suitable observables for the study of the quark parton distributions of different flavours.

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A. Gehrmann-De Ridder, T. Gehrmann, E. W. N. Glover, A. Huss, A. Rodriguez Garcia, G. Stagnitto. 2023-11-25. Precise QCD predictions for W-boson production in association with a charm jet. https://arxiv.org/abs/2311.14991

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