ELECTROMAGNETIC POLARIZABILITIES OF THE NUCLEON AND THE DELTA-BARYON IN THE SKYRME MODEL

被引：21

作者：

SCHERER, S ^{[1
]}

MULDERS, PJ ^{[1
]}

机构：

[1] FREE UNIV AMSTERDAM, DEPT PHYS & ASTRON, 1007 MC AMSTERDAM, NETHERLANDS

来源：

NUCLEAR PHYSICS A | 1992年 / 549卷 / 04期

关键词：

D O I：

10.1016/0375-9474(92)90663-5

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We calculate the static electromagnetic polarizabilities of the nucleon and the DELTA-baryon in the Skyrme model. The relation alpha = -2beta(dia) is found to be only approximately correct. Depending on the parameters used, the numerical data are roughly a factor 2-5 too large in comparison with the available empirical data. We discuss the large-N(C) limit and illustrate ordering ambiguities by considering a non-adiabatic contribution to the isovector magnetic moment of the nucleon.

引用

页码：521 / 536

页数：16

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