Baryons with Ginsparg-Wilson quarks in a staggered sea

被引：43
作者：
Tiburzi, BC [1 ]
机构：
[1] Duke Univ, Dept Phys, Durham, NC 27708 USA
来源：
PHYSICAL REVIEW D | 2005年 / 72卷 / 09期
关键词：
D O I：
10.1103/PhysRevD.72.094501
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We determine the masses and magnetic moments of the octet baryons in chiral perturbation theory formulated for a mixed lattice action of Ginsparg-Wilson valence quarks and staggered sea quarks. Taste-symmetry breaking does not occur at next-to-leading order in the combined lattice spacing and chiral expansion. Expressions derived for masses and magnetic moments are required for addressing lattice artifacts in mixed-action simulations of these observables.
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