Author: "Guidal, Michel" / Topic: partons - Searchworks@Jio Institute Digital Library Search Results

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Author: Guidal, Michel
Subjects: *PARTONS, *COMPTON scattering, *ATOMIC scattering, *PARTICLES (Nuclear physics), *VALENCE (Chemistry)
Abstract: We briefly review some recent developments in the field of Generalized Parton Distributions (GPDs) and Deeply virtual Compton scattering in the valence region. First steps in the direction of nucleon imaging are presented. [ABSTRACT FROM AUTHOR]
Published: 2014
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Author: Guidal, Michel, Moutarde, Hervé, and Vanderhaeghen, Marc
Subjects: *PARTONS, *COMPTON scattering, *CONDUCTION electrons, *QUARK models, *PARTICLES (Nuclear physics), *ASTROPHYSICS
Abstract: This work reviews the recent developments in the field of generalized parton distributions (GPDs) and deeply virtual Compton scattering in the valence region, which aim at extracting the quark structure of the nucleon. We discuss the constraints which the present generation of measurements provide on GPDs, and examine several state-of-the-art parametrizations of GPDs. Future directions in this active field are discussed. [ABSTRACT FROM AUTHOR]
Published: 2013
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Author: GUIDAL, MICHEL
Subjects: *PARTICLES (Nuclear physics), *NUCLEAR structure, *FORM factor (Nuclear physics), *PARTONS, *NUCLEAR physics
Abstract: We review very briefly a few recent highlight results from Jefferson Lab concerning nucleon Form Factors and Generalized Parton Distributions for which data with unprecedented precision and phase space coverage have be obtained these past few years. Along with new theoretical developements, these data allow to make some nucleon imaging in terms of partonic degrees of freedom in both momentum and space dimensions. [ABSTRACT FROM AUTHOR]
Published: 2009
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Author: Guidal, Michel
Subjects: *SCATTERING (Physics), *PARTONS, *PROTONS, *POLARIZATION (Nuclear physics)
Abstract: We present the recent data issued from the Halls A and B of Jefferson Laboratory for the Deep Virtual Compton Scattering Process on the proton. An important set of data for beam spin asymmetries, unpolarized cross sections and differences of polarized cross sections have been obtained. We modestly attempt a first “global” analysis of these three observables at a single , and kinematic point. We find that it is extremely challenging to describe simultaneously these data in the framework of a few Generalized Parton Distributions models. [Copyright &y& Elsevier]
Published: 2008
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Author: Guidal, Michel
Subjects: *MOMENTUM distributions, *PARTONS, *COMPTON effect, *SCATTERING (Physics), *NUCLEAR physics
Abstract: Abstract: We give a short theoretical and pedagogical introduction to the field of Generalized Parton Distributions and briefly review the first Deep Virtual Compton Scattering data. [Copyright &y& Elsevier]
Published: 2009
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