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Are the narrow unflavoured mesons, baryons, and dibaryons, a signature of a new physics ?

Abstract : New data of narrow low mass unflavoured mesonic structures are presented. A table of these exotic masses is obtained adding previously published data. The mass sequence shows a significant coupling of some of these clusters with stable hadrons: pion, nucleon, and deuteron. Indeed this coupling allows to reproduce rather well the masses of exotic narrow baryons and dibaryons. A discussion is presented to suggest a possible interpretation of these exotic hadronic structures.
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Submitted on : Wednesday, July 6, 2016 - 11:55:22 AM
Last modification on : Friday, October 2, 2020 - 2:36:20 PM

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B. Tatischeff, E. Tomasi-Gustafsson. Are the narrow unflavoured mesons, baryons, and dibaryons, a signature of a new physics ?. XXII International Baldin Seminar on High Energy Physics Problems, Sep 2014, Dubna, Russia. pp.111, ⟨10.22323/1.225.0111⟩. ⟨in2p3-01342542⟩

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