Nucleon and Roper wavefunctions from overlap fermions

	Nucleon and Roper wavefunctions from overlap fermions
	Chen Y(陈莹); Chen, Y
刊名	INTERNATIONAL JOURNAL OF MODERN PHYSICS A
	2005
卷号	20 期号:8-9 页码:1830-1833
关键词	nucleon Roper state wavefunction overlap fermion lattice QCD
通讯作者	Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
英文摘要	By applying a spatially extended sink operator, the nucleon two-point functions are calculated in Coulomb gauge from quenched lattice QCD with overlap fermions. The Bethe-Salpeter wavefunctions of nucleon and Roper resonance are extracted at different quark masses. The typical size of nucleon is about 0.7 fm, which seems insensitive to the quark masses involved in this work. It is also found that the wavefunction of Roper has a radial node.
学科主题	Physics
类目[WOS]	Physics, Nuclear ; Physics, Particles & Fields
研究领域[WOS]	Physics
原文出处	SCI
语种	英语
WOS记录号	WOS:000229085600049
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/239542]
专题	高能物理研究所_理论物理室
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	Chen Y,Chen, Y. Nucleon and Roper wavefunctions from overlap fermions[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2005,20(8-9):1830-1833.
APA	陈莹,&Chen, Y.(2005).Nucleon and Roper wavefunctions from overlap fermions.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,20(8-9),1830-1833.
MLA	陈莹,et al."Nucleon and Roper wavefunctions from overlap fermions".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 20.8-9(2005):1830-1833.