Hadronic electromagnetic properties at finite lattice spacing

被引：12

作者：

Arndt, D ^{[1
]}

Tiburzi, BC ^{[1
]}

机构：

[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA

来源：

PHYSICAL REVIEW D | 2004年 / 69卷 / 11期

关键词：

D O I：

10.1103/PhysRevD.69.114503

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Electromagnetic properties of the octet mesons as well as the octet and decuplet baryons are augmented in quenched and partially quenched chiral perturbation theory to include O(a) corrections due to lattice discretization. We present the results for the SU(3) flavor group in the isospin limit as well as the results for SU(2) flavor with nondegenerate quarks. These corrections will be useful for extrapolation of lattice calculations using Wilson valence and sea quarks, as well as calculations using Wilson sea quarks and Ginsparg-Wilson valence quarks.

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页数：11

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