The ρ(1S, 2S), ψ(1S, 2S), Iyen(1S, 2S) and ψ t (1S, 2S) Mesons in a Double Pole QCD Sum Rule

被引：14
作者：
Maior de Sousa, M. S. [1 ]
Rodrigues da Silva, R. [2 ]
机构：
[1] Univ Fed Paraiba, Dept Fis, BR-58051900 Joao Pessoa, PB, Brazil
[2] Univ Fed Campina Grande, Unidade Acad Fis, BR-58051970 Campina Grande, PB, Brazil
来源：
BRAZILIAN JOURNAL OF PHYSICS | 2016年 / 46卷 / 06期
关键词：
QCD sum rules; Excited states; LATTICE QCD; CHARMONIUM; RESONANCE; TOPONIUM; STATES;
D O I：
10.1007/s13538-016-0449-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use the method of double pole QCD sum rule, which is basically a fit with two exponentials of the correlation function, where we can extract the masses and decay constants of mesons as a function of the Borel mass. We apply this method to study the mesons: rho(1S,2S), psi(1S,2S), Iyen(1S,2S), and psi (t) (1S,2S). We also present predictions for the toponiuns masses psi (t) (1S,2S) of m(1S)=357 GeV and m(2S)=374 GeV.
引用
收藏
页码：730 / 739
页数：10
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