On quasi-bound states in eta-nucleys systems
J. Kulpa, S. Wycech, A. M. Green
Abstract
The optical potential for the η-meson is calculated. This is based on a new determination of a large η-N scattering length and recent experiments of η production in two nucleon collisions. These determine the η - nuclear potential well to be about 45 MeV deep and able to support S, P, D and F quasibound states. Some of the higher angular momentum states are fairly narrow and offer a chance of experimental detection.
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