Spin-orbit splitting in theN-Δ spectra and the deformed baryon model |
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| Authors: | M. V. N. Murthy M. Brack R. K. Bhaduri B. K. Jennings |
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| Affiliation: | 1. Physics Department, McMaster University, L8S 4M1, Hamilton, Ontario, Canada
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| Abstract: | The absence of appreciable spin-orbit splitting in the low-lying even and odd parity states of the nucleon and delta is puzzling in conventional quark models. A constitutent quark model, in which the quarks interact through gluon as well as pion exchange, and the baryon is allowed to deform in the excited states, may provide a solution to the problem. |
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