Pentaquark in lattice QCD

被引：0
作者：
Sasaki, S [1 ]
机构：
[1] Univ Tokyo, Dept Phys, Tokyo 1130033, Japan
来源：
HADRON SPECTROSCOPY | 2004年 / 717卷
关键词：
D O I：
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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：
We present results of our numerical calculation of the mass spectrum for the pentaquark states in quenched lattice QCD. It is found that the spin-parity assignment of the lowest Theta(uudd (s) over bar) state is most likely spin-1/2 and negative parity. We have also calculated the mass of the charm analog of the Theta and find that the Theta(c)(uudd (c) over bar) state lies much higher than the DN threshold, in contrast to several model predictions.
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页码：416 / 420
页数：5
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