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Pion GPDs: Constraints, modelling and experimental access

by Jose Manuel Morgado Chávez

Submission summary

As Contributors: Jose Manuel Morgado Chávez
Preprint link: scipost_202107_00100v1
Date accepted: 2022-03-09
Date submitted: 2021-07-31 09:54
Submitted by: Morgado Chávez, Jose Manuel
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Academic field: Physics
  • High-Energy Physics - Phenomenology
  • Nuclear Physics - Theory
Approaches: Theoretical, Computational, Phenomenological


The study of Generalised Parton Distributions is a hot-topic in hadron physics. Due to its connection with chiral symmetry breaking, assessing those of pions is of great interest. For this reason, we present a novel model-building strategy for pion GPDs capable of fulfilling all of the theoretical constraints required by QCD: support, polynomiality, positivity and soft-pion theorem. The methodology is illustrated with a simple model, and exploited afterwards for the calculation of pions' deeply virtual Compton Scattering (DVCS) Compton Form Factors (CFFs) at NLO. The results show gluon-content to play the dominant role in pions' response to DVCS at EIC kinematics.

Current status:
Publication decision taken: accept

Editorial decision: For Journal SciPost Physics Proceedings: Publish
(status: Editorial decision fixed and (if required) accepted by authors)

Submission & Refereeing History

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Submission scipost_202107_00100v1 on 31 July 2021

Reports on this Submission

Anonymous Report 1 on 2022-3-4 (Invited Report)


The manuscript is very well-written and is certainly worth publishing.

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