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arxiv: 0707.1506 · v1 · submitted 2007-07-10 · ✦ hep-ph

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Global Analysis of Fragmentation Functions for Protons and Charged Hadrons

Daniel de Florian , Rodolfo Sassot , Marco Stratmann
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classification ✦ hep-ph
keywords fragmentationfunctionsanalyseschargedhadronsprotonssetsanalysis
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We present new sets of fragmentation functions for protons and inclusive charged hadrons obtained in combined NLO QCD analyses of single-inclusive hadron production in electron-positron annihilation, proton-proton collisions, and deep-inelastic lepton-proton scattering. These analyses complement previous results for pion and kaon fragmentation functions with charge and flavor discrimination. The Lagrange multiplier technique is used to assess the uncertainties in the extraction of the new sets of fragmentation functions.

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  1. Proton-Proton to Antinucleon Cross Sections for Cosmic Ray Applications

    hep-ph 2026-05 unverdicted novelty 4.0

    NLO perturbative QCD calculations predict only a mild few-percent excess of antineutrons over antiprotons in pp collisions, not supporting the ~30% excess reported by NA49.