Gaussian expansion method for molecular integrals of molecular properties

1971 ◽  
Vol 5 (1) ◽  
pp. 1-11 ◽  
Author(s):  
Osamu Matsuoka
Keyword(s):  
Expansion Method ◽  
Molecular Properties ◽  
Gaussian Expansion Method ◽  
Molecular Integrals

scholarly journals The Genuine Resonance of Full-Charm Tetraquarks

Universe ◽  
2021 ◽  
Vol 7 (5) ◽  
pp. 155
Author(s):  
Xiaoyun Chen
Keyword(s):  
Quark Model ◽  
Bound States ◽  
Expansion Method ◽  
Chiral Quark Model ◽  
Stabilization Method ◽  
Scaling Method ◽  
Resonance States ◽  
Gaussian Expansion Method ◽  
Color Structure ◽  
Quantum Numbers

In this work, the genuine resonance states of full-charm tetraquark systems with quantum numbers JPC=0++,1+−,2++ are searched in a nonrelativistic chiral quark model with the help of the Gaussian Expansion Method. In this calculation, two structures, meson-meson and diquark–antidiquark, as well as their mixing with all possible color-spin configurations, are considered. The results show that no bound states can be formed. However, resonances are possible because of the color structure. The genuine resonances are identified by the stabilization method (real scaling method). Several resonances for the full-charm system are proposed, and some of them are reasonable candidates for the full-charm states recently reported by LHCb.

scholarly journals RPA calculations with Gaussian expansion method

2009 ◽  
Vol 828 (3-4) ◽  
pp. 283-305 ◽  
Author(s):  
H. Nakada ◽  
K. Mizuyama ◽  
M. Yamagami ◽  
M. Matsuo
Keyword(s):  
Expansion Method ◽  
Gaussian Expansion Method

scholarly journals Precise comparison of the Gaussian expansion method and the Gamow shell model

2014 ◽  
Vol 89 (4) ◽  
Author(s):  
H. Masui ◽  
K. Katō ◽  
N. Michel ◽  
M. Płoszajczak
Keyword(s):  
Shell Model ◽  
Expansion Method ◽  
Gaussian Expansion Method

Two-body strong decay of light mesons with Gaussian expansion method

2014 ◽  
Vol 29 (30) ◽  
pp. 1450175 ◽  
Author(s):  
Xiaoyun Chen ◽  
Zhaozhao Yan ◽  
Jialun Ping
Keyword(s):  
Experimental Data ◽  
Harmonic Oscillator ◽  
Quark Model ◽  
Expansion Method ◽  
Wave Functions ◽  
Chiral Quark Model ◽  
Strong Decay ◽  
Exotic States ◽  
Gaussian Expansion Method ◽  
Normal States

In this paper, we survey the radial and orbital excitations of I = 0 and [Formula: see text] systems anticipated up to 2.0 GeV in the framework of the chiral quark model. The Schrödinger equation is solved by using Gaussian expansion method. And using the wave functions obtained, instead of the simple harmonic oscillator wave functions, we study systematically the two-body strong decay (limited to S + S modes) of the systems. By comparing with the experimental data, we try to identify the normal states and exotic states.

A double expansion method for calculating molecular properties

1971 ◽  
Vol 21 (5) ◽  
pp. 775-784 ◽  
Author(s):  
C.D.H. Chisholm ◽  
K.B. Lodge
Keyword(s):  
Expansion Method ◽  
Molecular Properties

Gaussian expansion method for few-body systems

2003 ◽  
Vol 51 (1) ◽  
pp. 223-307 ◽  
Author(s):  
E Hiyama ◽  
Y Kino ◽  
M Kamimura
Keyword(s):  
Expansion Method ◽  
Gaussian Expansion Method
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