QCD effective charges and the structure function F2 at small-x : higher twist effects
dc.contributor.author | Hadjimichef, Dimiter | pt_BR |
dc.contributor.author | Luna, Emerson Gustavo de Souza | pt_BR |
dc.contributor.author | Peláez, Marcela | pt_BR |
dc.date.accessioned | 2020-09-23T04:02:18Z | pt_BR |
dc.date.issued | 2020 | pt_BR |
dc.identifier.issn | 0370-2693 | pt_BR |
dc.identifier.uri | http://hdl.handle.net/10183/213642 | pt_BR |
dc.description.abstract | We consider the effect of higher twist operators of the Wilson operator product expansion in the structure function F2(x, Q 2) at small-x, taking into account QCD effective charges whose infrared behavior is constrained by a dynamical mass scale. The higher twist corrections are obtained from the renormalon formalism. Our analysis is performed within the conventional framework of next-to-leading order, with the factorization and renormalization scales chosen to be Q 2. The infrared properties of QCD are treated in the context of the generalized double-asymptotic-scaling approximation. We show that the corrections to F2 associated with twist-four and twist-six are both necessary and sufficient for a good description of the deep infrared experimental data. | en |
dc.format.mimetype | application/pdf | pt_BR |
dc.language.iso | eng | pt_BR |
dc.relation.ispartof | Physics letters. B. Amsterdam. Vol. 804 (May 2020), 135370, 12 p. | pt_BR |
dc.rights | Open Access | en |
dc.subject | Cromodinâmica quântica | pt_BR |
dc.subject | Nonperturbative QCD | en |
dc.subject | Espalhamento inelastico profundo | pt_BR |
dc.subject | Higher twist operators | en |
dc.subject | Gluons | pt_BR |
dc.subject | Deep inelastic scattering | en |
dc.title | QCD effective charges and the structure function F2 at small-x : higher twist effects | pt_BR |
dc.type | Artigo de periódico | pt_BR |
dc.identifier.nrb | 001116824 | pt_BR |
dc.type.origin | Estrangeiro | pt_BR |
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