ANALYSIS OF MASS MODIFICATIONS OF THE VECTOR AND AXIAL VECTOR HEAVY MESONS IN THE NUCLEAR MATTER WITH THE QCD SUM RULES

被引：10
|
作者：
Wang, Zhi-Gang [1 ]
机构：
[1] North China Elect Power Univ, Dept Phys, Baoding 071003, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2013年 / 28卷 / 14期
关键词：
Nuclear matter; QCD sum rules; J/PSI; DECAY; STATES; PSI; PI;
D O I：
10.1142/S0217751X13500498
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：
In this paper, we calculate the mass modifications of the vector and axial vector mesons D*, B*, D-1 and B-1 in the nuclear matter with the QCD sum rules, and obtain the mass-shifts delta M-D* = -71 MeV, delta M-B* = -380 MeV, delta M-D1 = 72 MeV, delta M-B1 = 264 MeV, and the scattering lengths a(D*) = -1.07 fm, a(B*) = -7.17 fm, a(D1) = 1.15 fm and a(B1) = 5.03 fm for the D* N, B* N, D1N and B1N interactions, respectively.
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页数：17
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