Hard exclusive reactions and the structure of hadrons

By K. Goeke, M. Polyakov, M. Vanderhaeghen. 2001

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Abstract We outline in detail the properties of generalized parton distributions (GPDs), which contain new information on the structure of hadrons and which enter the description of hard exclusive reactions. We highlight the physics content of the GPDs and discuss the quark GPDs in the large N c limit and within the context of the chiral quark-soliton model. Guided by this physics, we then present a general parametrization for these GPDs. Subsequently we discuss how these GPDs enter in a wide variety of hard electroproduction processes and how they can be accessed from them. We consider in detail deeply virtual Compton scattering and the hard electroproduction of mesons. We identify a list of key observables which are sensitive to the various hadron structure aspects contained in the GPDs and which can be addressed by present and future experiments.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/9d486af522d6cc71ce9b480a78e57e8637a8892b

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In Nuclear and High Energy Physics

Citations in the corpus

STUDIES OF NUCLEON RESONANCE STRUCTURE IN EXCLUSIVE MESON ELECTROPRODUCTION (2012, background): “6975 [hep-ph] [76] Tables of predictions for electroproduction of variou s mesons in this kinematical region can be obtained from the a uthors of [73] upon request [77] K.”
Generalized parton correlation functions for a spin-0 hadron (2008, background): “GPCFs are of particular interest because of their connection to the generalized parton distributions (GPDs) [5, 6, 7, 8, 9, 10, 11] and the transverse momentum dependent parton distributions (TMDs) [12, 13, 14, 15].”
A Large Hadron Electron Collider at CERN: Report on the Physics and Design Concepts for Machine and Detector (2012, background): “For properties of all these distributions, see the reviews [55,359,360].”
Elements of a theory for multiparton interactions in QCD (2011, background): “Under the assumption of SU(3) flavor symmetry one can derive similar relations for distributions involving strange quarks [130, 132].”