The excited hadron spectrum in lattice QCD using a new method of estimating quark propagation

被引：18

作者：

Morningstar, C. ^{[1
]}

Bell, A. ^{[1
]}

Bulava, J. ^{[2
]}

Engelson, E. ^{[3
]}

Foley, J. ^{[1
]}

Juge, K. J.

Lenkner, D. ^{[1
]}

Peardon, M. ^{[4
]}

Wallace, S. ^{[3
]}

Wong, C. H. ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Phys, Pittsburgh, PA 15213 USA

[2] DESY, NIC, D-157938 Zeuthen, Germany

[3] Univ Pacific, Dept Phys, Stockton, CA 95211 USA

[4] Trinity Coll Dublin, Sch Math, Dublin, Ireland

来源：

HADRON 2009 | 2010年 / 1257卷

基金：

美国国家科学基金会; 爱尔兰科学基金会;

关键词：

Lattice QCD; hadron spectroscopy;

D O I：

10.1063/1.3483441

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Progress in determining the spectrum of excited baryons and mesons in lattice QCD is described. Large sets of carefully-designed hadron operators have been studied and their effectiveness in facilitating the extraction of excited-state energies is demonstrated. A new method of stochastically estimating the low-lying effects of quark propagation is proposed which will allow reliable determinations of temporal correlations of single-hadron and multi-hadron operators.

引用

页码：779 / +

页数：2

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