Determination of Δ-resonance parameters from lattice QCD

被引：24

作者：

Alexandrou, C. ^{[1
,2
]}

Negele, J. W. ^{[3
,4
]}

Petschlies, M. ^{[2
]}

Strelchenko, A. ^{[5
]}

Tsapalis, A. ^{[6
,7
]}

机构：

[1] Univ Cyprus, Dept Phys, CY-1678 Nicosia, Cyprus

[2] Cyprus Inst, Computat Based Sci & Technol Res Ctr, CY-2121 Nicosia, Cyprus

[3] MIT, Ctr Theoret Phys, Nucl Sci Lab, Cambridge, MA 02139 USA

[4] MIT, Ctr Theoret Phys, Dept Phys, Cambridge, MA 02139 USA

[5] Fermilab Natl Accelerator Lab, Div Comp Sci, Batavia, IL 60510 USA

[6] Hellen Naval Acad, Piraeus 18539, Greece

[7] Natl Tech Univ Athens, Dept Phys, Athens 15780, Greece

来源：

PHYSICAL REVIEW D | 2013年 / 88卷 / 03期

关键词：

QUANTUM-FIELD THEORIES; VOLUME DEPENDENCE; ENERGY-SPECTRUM;

D O I：

10.1103/PhysRevD.88.031501

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A method suitable for extracting resonance parameters of unstable baryons in lattice QCD is examined. The method is applied to the strong decay of the Delta to a pion-nucleon state, extracting the pi N Delta coupling constant and Delta decay width.

引用

页数：5

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