Charmed-Meson Fragmentation Functions with Finite-Mass Corrections

By T. Kneesch, Bernd A. Kniehl, G. Kramer, I. Schienbein. 2007

171 citations recorded by the source corpus.

We elaborate the inclusive production of single heavy-flavored hadrons in e + e − annihilation at next-to-leading order in the general-mass variable-flavor-number scheme. In this framework, we determine non-perturbative fragmentation functions for D 0 , D + , and D ∗+ mesons by fitting experimental data from the Belle, CLEO, ALEPH, and OPAL Collaborations, taking dominant electroweak corrections due to photonic initial-state radiation into account. We assess the significance of finite-mass effects through comparisons with a similar analysis in the zero-mass variable-flavor-number scheme. Under Belle and CLEO experimental conditions, charmed-hadron mass effects on the phase space turn out to be appreciable, while charm-quark mass effects on the partonic matrix elements are less important.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/02b52c041f4dbae77d7544c7cb5e43d0ecae6225

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Citations in the corpus

• Prompt charm production in pp collisions at sqrt(s)=7 TeV (2013, background): “The GMVFNS theoretical framework includes the convolution with fragmentation functions describing the transition c→ Hc that are normalised to the respective total transition probabilities [4].”
• Heavy-flavour and quarkonium production in the LHC era: from proton–proton to heavy-ion collisions (2015, methodology): “The GM-VFNS predictions include the fragmentation functions resulting from a fit to e+e− collider data [34], where the prompt and secondary contributions to the measurements were not separated.”