A Precursor of Chiral Symmetry Restoration in the Nuclear Medium
T. Hatsuda, T. Kunihiro, H. Shimizu
Abstract
Spectral enhancement near the 2mπ threshold in the I=J=0 channel in nuclei is shown to be a distinct signal of the partial restoration of chiral symmetry. The relevance of this phenomenon with the possible detection of 2π0 and 2γin hadron-nucleus and photo-nucleus reactions is discussed.
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