Axial-vector form factors of the nucleon within the chiral quark-soliton model and their strange components

被引：35

作者：

Silva, A ^{[1
]}

Kim, HC

Urbano, D

Goeke, K

机构：

[1] Univ Coimbra, Dept Fis, Ctr Fis Computac, P-3004516 Coimbra, Portugal

[2] Pusan Natl Univ, Dept Phys & Nucl Phys, Pusan 609735, South Korea

[3] Pusan Natl Univ, Radiat Technol Inst, NuRI, Pusan 609735, South Korea

[4] Univ Porto, Fac Engn, P-4200465 Oporto, Portugal

[5] Ruhr Univ Bochum, Inst Theoret Phys 2, D-44780 Bochum, Germany

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.72.094011

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate three different axial-vector form factors of the nucleon, G(A)(0), G(A)(3), G(A)(8), within the framework of the SU(3) chiral quark-soliton model, emphasizing their strangeness content. We take into account the rotational 1/N-c and linear strange quark (m(s)) contributions using the symmetry-conserving SU(3) quantization and assuming isospin symmetry. The strange axial-vector form factor is also obtained and they all are discussed in the context of the parity-violating scattering of polarized electrons off the nucleon and its relevance to the strange vector form factors.

引用

页数：8

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