Charm-Quark Production in Deep-Inelastic Neutrino Scattering at Next-to-Next-to-Leading Order in QCD

We present a fully differential next-to-next-to-leading order calculation of charm-quark production in charged-current deep-inelastic scattering, with full charm-quark mass dependence. The next-to-next-to-leading order corrections in perturbative quantum chromodynamics are found to be comparable in...

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Bibliographic Details
Published in:Physical review letters 2016-05, Vol.116 (21), p.212002-212002, Article 212002
Main Authors: Berger, Edmond L, Gao, Jun, Li, Chong Sheng, Liu, Ze Long, Zhu, Hua Xing
Format: Article
Language:English
Subjects:
Distribution functions
Extraction
Kinematics
Mathematical analysis
Neutrinos
Nucleons
Quantum chromodynamics
Scattering
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Summary:We present a fully differential next-to-next-to-leading order calculation of charm-quark production in charged-current deep-inelastic scattering, with full charm-quark mass dependence. The next-to-next-to-leading order corrections in perturbative quantum chromodynamics are found to be comparable in size to the next-to-leading order corrections in certain kinematic regions. We compare our predictions with data on dimuon production in (anti)neutrino scattering from a heavy nucleus. Our results can be used to improve the extraction of the parton distribution function of a strange quark in the nucleon.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.116.212002