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Counting pions in the nucleon

Authors: M. Fiolhais, B. Golli, M. Rosina and S. Sirca

Ref.: Progress in Particle and Nuclear Physics 36, 151-159 (1996)

Abstract: The number of pions in the nucleon is a theoretical concept and its value is model dependent. It is, however, a useful tool to understand the pionic contribution to several nucleon observables such as electric charge radii, magnetic moments, axial charge, pion-nucleon coupling constant, amplitudes for electroexcitation for baryon resonances and electroproduction of pions above such resonances.

URL: nautilus.fis.uc.pt