Electric Polarizability of the Nucleon in the Nambu--Jona-Lasinio Model

Details Electric Polarizability of the Nucleon in the Nambu--Jona-Lasinio Model Electric Polarizability of the Nucleon in the Nambu--Jona-Lasinio Model

1993-12-04

arxiv.org/abs/hep-ph/9312219v1

Nucl.Phys. A579 (1994) 398-412

Physics

High Energy Physics

High Energy Physics - Phenomenology

16 pages, RevTeX, 3 figures (included, PS, uuencoded), RUB-TPII-55/93 and TPR-93-38

Scientific paper

10.1016/0375-9474(94)90915-6

The electric polarizability of the nucleon is calculated in the soliton approach to the Nambu--Jona-Lasinio model. We analyze the leading-$N_c$ contributions, as well as the effects of rotational $1/N_c$ corrections and $\Delta$-$N$ mass splitting. Our model prediction is substantially reduced compared to other soliton calculations, and is closer to the experimental value.

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