What different variants of chiral EFT predict for the proton Compton differential cross section - and why
arXiv:1208.4559 · doi:10.1103/PhysRevC.86.048201
Abstract
We compare the predictions of different variants of chiral effective field theory for the gamma-p elastic scattering differential cross section. We pay particular attention to the role of pion loops, and the impact that a heavy-baryon expansion has on the behavior of those loops. We also correct erroneous results for these loops that were published in Phys. Rev. C 67, 055202 (2003) [ arXiv:nucl-th/0212024 ].
arXiv comment4 pages, 2 figures
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- Chiral perturbation theory of muonic hydrogen Lamb shift: polarizability contribution
- New insights into the spin structure of the nucleon
- Predictions of covariant chiral perturbation theory for nucleon polarisabilities and polarised Compton scattering
- Dispersion Theory in Electromagnetic Interactions
- Proton polarisabilities from Compton data using Covariant Chiral EFT
- Separation of proton polarizabilities with the beam asymmetry of Compton scattering
- The reaction pi N -> pi pi N in chiral effective field theory with explicit Delta(1232) degrees of freedom
- Evaluation of the forward Compton scattering off protons: II. Spin-dependent amplitude and observables
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