期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2021)121
关键词
Deep Inelastic Scattering (Phenomenology); QCD Phenomenology
资金
- Office of High Energy Physics of the U.S. [DE-AC02-76SF00515]
- Office of Nuclear Physics of the U.S. DOE [DE-SC0011090]
- Alexander von Humboldt Foundation
In this study, we computed the unpolarized quark and gluon transverse-momentum dependent fragmentation functions at next-to-next-to-next-to-leading order in perturbative QCD. Our calculation is based on a relation between the TMDFF and the limit of semi-inclusive deep inelastic scattering cross section where all final-state radiation becomes collinear to the detected hadron. The results obtained agree with a recent independent calculation by Luo et al.
We compute the unpolarized quark and gluon transverse-momentum dependent fragmentation functions (TMDFFs) at next-to-next-to-next-to-leading order ((NLO)-L-3) in perturbative QCD. The calculation is based on a relation between the TMDFF and the limit of the semi-inclusive deep inelastic scattering cross section where all final-state radiation becomes collinear to the detected hadron. The required cross section is obtained by analytically continuing our recent computation of the Drell-Yan and Higgs boson production cross section at (NLO)-L-3 expanded around the limit of all final-state radiation becoming collinear to one of the initial states. Our results agree with a recent independent calculation by Luo et al.
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