TOWARDS UNDERSTANDING BROAD DEGENERACY IN NON-STRANGE MESONS
- 21 June 2007
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 22 (19) , 1359-1371
- https://doi.org/10.1142/s0217732307024024
Abstract
The spectroscopic regularities of modern empirical data on the non-strange mesons up to 2.4 GeV can be summarized as a systematic clustering of states near certain values of energy. It is getting evident that some unknown X-symmetry triggers the phenomenon. We review the experimental status of this symmetry and recent theoretical attempts put forward for explanation of broad degeneracy.Keywords
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