Experimental indication on chiral symmetry restoration in meson spectrum
Abstract
It is shown that analysis of spectroscopic data based on the Lovelace-Shapiro dual model unambiguously indicates parity doubling for the light mesons which can be interpreted as the restoration of Wigner-Weyl realization of chiral symmetry for highly excited states. The scale of complete restoration is expected to be 2.5 GeV. A multispin-parity cluster structure of meson spectrum is revealed.Keywords
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