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

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页码：730 / 739

页数：10

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