EPJ

Sum rule for the Compton amplitude and implications for the proton–neutron mass difference

J. Gasser, H. Leutwyler and A. Rusetsky

Eur. Phys. J. C, 80 12 (2020) 1121

Published online: 05 December 2020

DOI: 10.1140/epjc/s10052-020-08615-2

J. Gasser

H. Leutwyler

A. Rusetsky

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