Volume 336 - XIII Quark Confinement and the Hadron Spectrum (Confinement2018) - C: Heavy quarks
QCD analysis of $D^{*}$-meson fragmentation functions and their uncertainties at NNLO
H. Khanpour,* M. Soleymaninia, S.M. Moosavi Nejad on behalf of SKM18 Collaboration
*corresponding author
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Pre-published on: September 12, 2019
Published on: September 26, 2019
Abstract
In this paper, we present a set of charmed-meson $D^{*}$ at next-to-leading order (NLO) and, for the first time, at next-to-next-to-leading order (NNLO) accuracy.
This new sets of charmed-meson $D^{*}$ FFs are obtained through global QCD fits to all relevant data sets from single-inclusive $e^{+}e^{-}$ annihilation.
The Hessian approach'' are applied for the determination of FFs uncertainties as well as the corresponding observables.
We compared the resulting $D^{*}$ FFs with the results in the litrature. The theory predition using the extracted FFs are also compared with the available data sets for single-inclusive $D^{*\pm}$-meson production in electron-positron annihilation.
DOI: https://doi.org/10.22323/1.336.0108
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