Spin-dependent polarizability of nucleon with dispersion relation in the Skyrme model

Y. Tanushi, Y. Nakahara, S. Saito, M. Uehara

研究成果: Article査読

4 被引用数 (Scopus)

抄録

We calculate the spin-dependent polarizability of the nucleon in the Skyrme model. The result is compared with that of a heavy baryon chiral perturbation theory(HBChPT), and is shown to be the same as that of HBChPT up to the Δ-pole terms in the narrow width limit of the Δ state and with the experimental physical constants. The effect of the Δ + π channel is rather small and is numerically quite similar to that of the Δ loop in the HBChPT. The electric and magnetic polarizabilities are recalculated using the transverse photon and a consistent inclusion of the Δ width.

本文言語English
ページ(範囲)6-12
ページ数7
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
425
1-2
DOI
出版ステータスPublished - 1998 4 16

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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