Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-29
Had. J.30:407, 2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages
Scientific paper
The properties of the Theta^{+} and Xi^{--}_{3/2} exotic baryons have been investigated in the framework of diquark- diquark-antiquark system. A model for diquark suggested in an analogy with the quasi-particle in a crystal lattice has been used. The mass of the exotics have been computed. The Decay width of the Theta^{+} has been estimated to be ~ 11 MeV using effective diquark theory. The radius of the Xi^{--}_{3/2} has been extracted as 0.94fm using the experimental value of the frac{\Gamma_{\Theta^{+}}}{\Gamma_{\Xi^{--}_{3/2}}}. The results obtained are found to be in good agreement with the present experimental and theoretical suggestions.
Banerjee S. N.
Bhattacharya Arnab
Chakrabarti Barnali
Mani S.
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