Higher Fock State Contributions to the Generalized Parton Distribution of Pion

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dc.creatorJi, Chueng-Ryong
dc.creatorMishchenko, Yuriy
dc.creatorRadyushkin, Anatoly
dc.date2006-03-23
dc.date2006-04-21
dc.date.accessioned2026-07-07T10:44:54Z
dc.date.available2026-07-07T10:44:54Z
dc.descriptionWe discuss the higher Fock state (q \bar q g) contributions to the nonzero value of the pion GPD at the crossover point x = zeta between the DGLAP and ERBL regions. Using the phenomenological light-front constituent quark model, we confirm that the higher Fock state contributions indeed give a nonzero value of the GPD at the crossover point. Iterating the light-front quark model wave function of the lowest q \bar q Fock state with the Bethe-Salpeter kernel corresponding to the one-gluon-exchange, we include all possible time-ordered q \bar q g Fock state contributions and obtain the pion GPD satisfying necessary sum rules and continuity conditions.
dc.descriptionReferences added
dc.identifierhttps://arxiv.org/abs/hep-ph/0603198
dc.identifierhttp://arxiv.org/abs/hep-ph/0603198
dc.identifierPhys.Rev.D73:114013,2006
dc.identifierdoi:10.1103/PhysRevD.73.114013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/182759
dc.subjectHigh Energy Physics - Phenomenology
dc.titleHigher Fock State Contributions to the Generalized Parton Distribution of Pion
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