Global analysis of fragmentation functions for eta mesons
Author(s)
Aidala, Christine A.; Ellinghaus, Frank; Sassot, Rodolfo; Seele, Joseph Patrick; Stratmann, Marco
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Fragmentation functions for eta mesons are extracted at next-to-leading order accuracy of QCD in a global analysis of data taken in electron-positron annihilation and proton-proton scattering experiments. The obtained parametrization is in good agreement with all data sets analyzed and can be utilized, for instance, in future studies of double-spin asymmetries for single-inclusive eta production. The Lagrange multiplier technique is used to estimate the uncertainties of the fragmentation functions and to assess the role of the different data sets in constraining them.
Date issued
2011-02Department
Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical review D
Publisher
American Physical Society
Citation
Aidala, Christine et al. “Global analysis of fragmentation functions for eta mesons.” Physical Review D 83.3 (2011) : n. pag. © 2011 American Physical Society
Version: Final published version
ISSN
1550-2368
1550-7998