Strange baryons in the deformed model

Murthy, M. V. N. ; Bhaduri, R. K. ; Tabarah, E. (1986) Strange baryons in the deformed model Zeitschrift fur Physik. C, Particles and Fields, 31 (1). pp. 81-86. ISSN 0170-9739

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The ground and low-lying odd-parity states of baryons, including the strange sector, are calculated in a nonrelativistic quark model. The baryon is allowed to deform, and the quarks interact through the exchange of a gluon, and also through the exchange of massless pseudoscalar octet of bosons. Particular attention is paid to the problem of spin-orbit splitting. Agreement is very good if an overall upward shift of about 60 MeV is applied to the excited states, but Λ(1405) cannot be fitted.

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