Axial-vector transition form factors of the baryon octet to the baryon decuplet with flavor SU(3) symmetry breaking

被引：5

作者：

Suh, Jung-Min ^{[1
]}

Jun, Yu-Son ^{[1
]}

Kim, Hyun-Chul ^{[1
,2
]}

机构：

[1] Inha Univ, Dept Phys, Incheon 22212, South Korea

[2] Korea Inst Adv Study KIAS, Sch Phys, Seoul 02455, South Korea

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

SINGLE-PION-PRODUCTION; CHARGED-CURRENT; MAGNETIC-MOMENTS; NEUTRINO INTERACTIONS; TENSOR CHARGES; SOLITON; NUCLEON; DELTA; EXCITATION; DEUTERIUM;

D O I：

10.1103/PhysRevD.105.114040

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the axial-vector transition form factors of the baryon octet to the baryon decuplet within the framework of the chiral quark-soliton model, with the effects of flavor SU(3) symmetry breaking included. We consider the rotational 1/N-c corrections and regard the strange current quark mass as a perturbation. We compare the present results for the Delta -> N axial-vector transition with those from other models and lattice QCD. We also compute all possible axial-vector transitions from the baryon decuplet to the octet with the strangeness changed, i.e., vertical bar Delta S vertical bar = 1. We obtain the value of the essential form factor C-5(A) for the Delta -> N axial-vector transition at the zero momentum transfer (Q(2) = 0). Furthermore, the present results are in good agreement with those fitted with the T2K data. We extract the value of the axial-vector mass M-A compared to the data.

引用

页数：18

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