Including heavy quark production in ZEUS-PDF fits

2008/08/13 by A. M. Cooper-Sarkar, A M Cooper-Sarkar, Cooper-Sarkar, A M
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.48550/arxiv.0808.1856

4 pages, 4 figures. To be published in the Proceedings of the 16th International Workshop on Deep Inelastic Scattering, DIS2008, London, April 7-11th 2008

arxiv created 2008/08/13 · openalex publication_date 2008/08/13 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

At HERA heavy quarks may contribute up to 30% of the structure function F₂. The potential of including heavy-quark data in the ZEUS PDF fits is explored, using D^* double differential cross-sections as well as the inclusive quantities F₂^cc, F₂^cc. The introduction of heavy quarks requires an extension of the DGLAP formalism. The effect of using different heavy flavour number schemes, and different approaches to the running of α_s, are compared.

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