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The partonic structure of the nucleon from generalized transverse momentum-dependent parton distributions

Abstract : We discuss the general formalism for the calculation in light-front quark models of the fully unintegrated, off-diagonal quark-quark correlator of the nucleon, parametrized in terms of generalized transverse momentum dependent parton distributions (GTMDs). By taking specific limits or projections, these GTMDs yield various transverse-momentum dependent and generalized parton distributions, thus providing a unified framework to simultaneously model different observables. The corresponding distributions in impact-parameter space are the Wigner functions which provide multidimensional images of the quark distributions in phase space. We present results within a light-front constituent quark model, discussing some of the complementary aspects encoded in the different distributions and the relation to the quark orbital angular momentum of the proton.
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http://hal.in2p3.fr/in2p3-00827444
Contributor : Sophie Heurteau <>
Submitted on : Wednesday, May 29, 2013 - 11:22:08 AM
Last modification on : Wednesday, September 16, 2020 - 4:07:56 PM

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  • HAL Id : in2p3-00827444, version 1
  • ARXIV : 1304.1479

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B. Pasquini, C. Lorce. The partonic structure of the nucleon from generalized transverse momentum-dependent parton distributions. Advanced Studies Institute on Symmetries and Spin (SPIN-Praha-2012), Jul 2012, Prague, Czech Republic. ⟨in2p3-00827444⟩

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