Baryon spectroscopy and operator construction in lattice QCD

被引：0

作者：

Basak, S ^{[1
]}

Sato, I ^{[1
]}

Wallace, S ^{[1
]}

Edwards, R ^{[1
]}

Richards, DG ^{[1
]}

Fiebig, R ^{[1
]}

Fleming, GT ^{[1
]}

Heller, UM ^{[1
]}

Morningstar, C ^{[1
]}

机构：

[1] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

来源：

Large NC QCD 2004, Proceedings | 2005年

关键词：

D O I：

10.1142/9789812701725_0019

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

This talk describes progress at understanding the properties of the nucleon and its excitations from lattice QCD. I begin with a review of recent lattice results for the lowest-lying states of the excited baryon spectrum. The need to approach physical values of the light quark masses is emphasized, enabling the effects of the pion cloud to be revealed. I then outline the development of techniques that will enable the extraction of the masses of the higher resonances. I will describe how such calculations provide insight into the structure of the hadrons, and enable comparison both with experiment, and with QCD-inspired pictures of hadron structure, such as calculations in the limit of large N-c.

引用

页码：272 / 282

页数：11

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