COMPARISON OF HADRON QUARK DISTRIBUTIONS FROM LATTICE QCD AND THE MIT BAG MODEL

被引:16
作者
LISSIA, M
CHU, MC
NEGELE, JW
GRANDY, JM
机构
[1] MIT,DEPT PHYS,CTR THEORET PHYS,ROOM 6-308,CAMBRIDGE,MA 02139
[2] IST NAZL FIS NUCL,SEZ CAGLIARI,I-09127 CAGLIARI,ITALY
[3] MIT,CTR THEORET PHYS,NUCL SCI LAB,CAMBRIDGE,MA 02139
关键词
D O I
10.1016/0375-9474(93)90323-P
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
Quark correlation functions and Bethe-Salpeter amplitudes for the pion, rho, and nucleon calculated in quenched lattice QCD are compared with the MIT bag model. The bag model is shown to reproduce the qualitative behavior of the density-density correlation functions for the rho and nucleon, the quark-mass dependence of observables, and ratios of pseudoscalar to scalar correlation functions. The origin and significance of substantial discrepancies in other observables are discussed.
引用
收藏
页码:272 / 292
页数:21
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