Understanding the masses of the c(s)over-bar states in Regge phenomenology

被引：32
|
作者：
Li, De-Min [1 ]
Ma, Bing [1 ]
Liu, Yun-Hu [1 ]
机构：
[1] Zhengzhou Univ, Dept Phys, Zhengzhou 450052, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2007年 / 51卷 / 02期
关键词：
D O I：
10.1140/epjc/s10052-007-0286-7
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In the framework of Regge phenomenology, the masses of the charmed states c (q) over bar (q = u, d, s) lying on the 1 S-3(1)-like trajectories are estimated. The overall agreement between our estimated masses and the recent predictions given using modified quark models by Matsuki et al., Lakhina et al. and Close et al. is good. The masses of the observed charmed states D-s0(2317), D-sJ(2860) and D-sJ(2690)/D-sJ(2700) can reasonably be reproduced in the picture of these charmed states as simple quark-antiquark configurations. We therefore suggest that D-s0(2317) can be identified with the c (s) over bar (1(3)P(0)) states. The possible assignments of the D-sJ(2860) and D-sJ(2690)/D-sJ(2700) are discussed.
引用
收藏
页码：359 / 365
页数：7
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