Nucleon-to-Δ axial transition form factors in relativistic baryon chiral perturbation theory

被引：26

作者：

Geng, L. S. ^{[1
]}

Camalich, J. Martin

Alvarez-Ruso, L.

Vacas, M. J. Vicente

机构：

[1] Univ Valencia, CSIC, Dept Fis Teor, Valencia 46071, Spain

来源：

PHYSICAL REVIEW D | 2008年 / 78卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.78.014011

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report a theoretical study of the axial nucleon-to-delta (1232) (N -> Delta) transition form factors up to one-loop order in relativistic baryon chiral perturbation theory. We adopt a formalism in which the Delta couplings obey the spin-3/2 gauge symmetry and, therefore, decouple the unphysical spin-1/2 fields. We compare the results with phenomenological form factors obtained from neutrino bubble-chamber data and in quark models.

引用

页数：12

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