eta nucleus optical potential in a chiral unitary approach
classification
✦ hep-ph
nucl-th
keywords
chiralnucleinucleusopticalpotentialstatesunitaryaccommodate
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The self-energy of an eta in a nuclear medium is calculated in a chiral unitary model, and applied to eta states in nuclei. Our calculation predicts an attractive eta nucleus optical potential which can accommodate many eta bound states in different nuclei.
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