Production and decay of eta-mesic nuclei
A. I. L'vov
Abstract
Using the Green function method, binding effects on produced eta-mesons in the two-stage reaction γ+ A N + η+ (A-1) N + (πN) + (A-2) are studied. The energy spectrum of the correlated pi-N pairs which arise from decays of etas inside the nucleus is strongly affected by an attractive eta-nucleus optical potential. Its resonant behavior gives a clear signal of formating intermediate eta-mesic nuclei.
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