Generalized parton distributions: experimental aspects

Guidal, M.

doi:10.1016/s0375-9474(01)01494-4

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“…A general discussion about the problems arising in the experimental study of the GPD's and the first experimental evidences have been presented in Ref. [15]. Prospects for future measurements of DVCS are studied in Ref.…”

Section: Introductionmentioning

confidence: 99%

Linking generalized parton distributions to constituent quark models

2003

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The link between the nucleon generalized parton distributions and the non-diagonal one-body density matrix in momentum space is studied. Attention is focussed on the region where quark generalized parton distributions (GPD's) describe emission and reabsorption of a single active quark by the target nucleon. The correct covariant connection with wave functions used in any constituent quark model is established. Results obtained with different constituent quark models are presented for the unpolarized quark GPD's.

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Section: Introductionmentioning

confidence: 99%

Linking generalized parton distributions to constituent quark models

2003

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Generalized parton distributions of the nucleon based on the Faddeev approach to the NJL model

2005

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Generalized parton distributions of the nucleon using the NJL model based on the Faddeev approach

Mineo¹,

Yang²,

Cheung³

et al. 2005

Nuclear Physics B - Proceedings Supplements

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We study the generalized parton distributions, including the helicity-flip ones, using Nambu-Jona-Lasinio model based on a relativistic Faddeev approach with 'static approximation'. Sum rules relating the generalized parton distributions to nucleon electromagnetic form factors are satisfied. Moreover, quark-antiquark contributions in the region −ξ < x < ξ are non-vanishing. Our results are qualitatively similar to those calculated with Radyushkin's double distribution ansatz using forward parton distribution functions calculated in the NJL model as inputs.

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Generalized parton distributions: experimental aspects

Cited by 4 publications

References 11 publications

Linking generalized parton distributions to constituent quark models

Linking generalized parton distributions to constituent quark models

Generalized parton distributions of the nucleon based on the Faddeev approach to the NJL model

Generalized parton distributions of the nucleon using the NJL model based on the Faddeev approach

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