Abstract : In the high-energy domain, gluon transverse-momentum dependent distributions in nuclei obey constraints coming from positivity and unitarity of the colorless QCD dipole distributions through Fourier-Bessel transformations. Using mathematical properties of Fourier-positive functions, we investigate the nature of these constraints which apply to dipole model building and formulation.
https://hal-cea.archives-ouvertes.fr/cea-01469094
Contributor : Emmanuelle de Laborderie
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Submitted on : Thursday, February 16, 2017 - 10:27:35 AM
Last modification on : Thursday, February 7, 2019 - 3:51:48 PM
Long-term archiving on : Wednesday, May 17, 2017 - 12:52:39 PM
