# Peripheral nucleon-nucleon scattering at fifth order of chiral perturbation theory

@inproceedings{Entem2015PeripheralNS, title={Peripheral nucleon-nucleon scattering at fifth order of chiral perturbation theory}, author={David Rodr{\'i}guez Entem and Nicholas S Kaiser and Ruprecht Machleidt and Y. Nosyk}, year={2015} }

- Published 2015
DOI:10.1103/PhysRevC.91.014002

We present the two- and three-pion exchange contributions to the nucleon-nucleon interaction which occur at next-to-next-to-next-to-next-to-leading order (N4LO, fifth order) of chiral effective field theory, and calculate nucleon-nucleon scattering in peripheral partial waves with L>=3 using low-energy constants that were extracted from pi-N analysis at fourth order. While the net three-pion exchange contribution is moderate, the two-pion exchanges turn out to be sizeable and prevailingly… CONTINUE READING

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