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Off-shell generalized parton distributions of the pion

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arxiv 2304.02097 v1 pith:AQSPADLK submitted 2023-04-04 hep-ph hep-ex

Wojciech Broniowski , Vanamali Shastry , Enrique Ruiz Arriola This is my paper
classification hep-phhep-ex
keywords off-shelldistributionseffectsgeneralizedgpdspartonpionanalyze
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We analyze off-shell effects in the generalized parton distributions (GPDs) of the pion in the context of the Sullivan electroproduction process, as well as the corresponding half-off-shell electromagnetic and gravitational form factors. We illustrate our general results within a chiral quark model, where the off-shell effects show up at a significant level, indicating their contribution to uncertainties in the extraction of the GPDs from the future experimental data.

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  1. Off-shell modifications of the pion generalized parton distributions and transverse momentum dependent parton distributions

    hep-ph 2025-07 conditional novelty 5.0 of 10

    In the NJL model, off-shell pion GPDs and TMDs differ from on-shell ones by 15 to 25 percent and acquire new odd-power form factors from broken crossing symmetry.

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