PoS - Proceedings of Science
Volume 317 - The 9th International workshop on Chiral Dynamics (CD2018) - Session: Hadron Structure
Polarisabilities of the nucleon in baryon chiralperturbation theory and beyond
V. Lensky* and V. Pascalutsa
Full text: pdf
Published on: February 28, 2020
Abstract
We review the recent baryon chiral perturbation theory results for the nucleon polarisabilities that describe the different regimes of nucleon Compton scattering --- real, virtual, and doubly virtual. We stress the importance of the empirical verification of the theory in the context of the calculation of the inelastic nucleon structure corrections, such as the two-photon exchange contributions. We also discuss the recently obtained constraints that relate the different regimes of nucleon Compton scattering and can provide additional information on the nucleon structure.
DOI: https://doi.org/10.22323/1.317.0035
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