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What do DVCS data tell us about TCS observables?

by O. Grocholski, H. Moutarde, B. Pire, P. Sznajder, J. Wagner

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Submission summary

Authors (as registered SciPost users): Jakub Wagner
Submission information
Preprint Link:  (pdf)
Date accepted: 2022-03-15
Date submitted: 2021-07-05 09:55
Submitted by: Wagner, Jakub
Submitted to: SciPost Physics Proceedings
Proceedings issue: 28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects (DIS2021)
Ontological classification
Academic field: Physics
  • High-Energy Physics - Phenomenology
Approach: Phenomenological


Deeply virtual Compton scattering (DVCS) and timelike Compton scattering (TCS) leading twist amplitudes are intimately related thanks to their analytic properties as a function of $Q^2$. We exploit this feature to use Compton form factors previously extracted from available DVCS data and derive data-driven predictions for TCS observables to be measured in near future experiments. Our results quantitatively illustrate the complementarity of DVCS and TCS experiments.

Published as SciPost Phys. Proc. 8, 070 (2022)

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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