The discovery of some baryon-antibaryon resonances has led us to consider 3q~3\bar{q} systems as possible candidates. We predict their spectrum in the framework of a constituent model, where the chromo-magnetic interaction plays the main role. The relevant parameters are fixed by the present knowledge on tetraquarks. The emerging scenario complies well with experiment. Besides the description of the baryon-antibaryon resonances, we find evidence for new tetraquark states, namely the a0(Y) in the hidden strangeness sector and, in the cs\bar{c}\bar{s} sector, the Y(4140) and the X(4350). A detailed account of the spectra and the decay channels is provided for future comparisons with data.

Hints for the existence of hexaquark states in the baryon-antibaryon sector / ABUD FILHO, Mario; Franco, Buccella; Tramontano, Francesco. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - STAMPA. - 81:(2010), pp. 074018-074030. [10.1103/PhysRevD.81.074018]

Hints for the existence of hexaquark states in the baryon-antibaryon sector

ABUD FILHO, MARIO;TRAMONTANO, FRANCESCO
2010

Abstract

The discovery of some baryon-antibaryon resonances has led us to consider 3q~3\bar{q} systems as possible candidates. We predict their spectrum in the framework of a constituent model, where the chromo-magnetic interaction plays the main role. The relevant parameters are fixed by the present knowledge on tetraquarks. The emerging scenario complies well with experiment. Besides the description of the baryon-antibaryon resonances, we find evidence for new tetraquark states, namely the a0(Y) in the hidden strangeness sector and, in the cs\bar{c}\bar{s} sector, the Y(4140) and the X(4350). A detailed account of the spectra and the decay channels is provided for future comparisons with data.
2010
Hints for the existence of hexaquark states in the baryon-antibaryon sector / ABUD FILHO, Mario; Franco, Buccella; Tramontano, Francesco. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - STAMPA. - 81:(2010), pp. 074018-074030. [10.1103/PhysRevD.81.074018]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/441405
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