Mass spectra of one or two heavy quark mesons and diquarks within a nonrelativistic potential model

Author:

Gutiérrez-Guerrero L. X.1,Alfaro Jesús2,Raya A.34

Affiliation:

1. CONACyT-Mesoamerican Centre for Theoretical Physics, Universidad Autónoma de Chiapas, Carretera Zapata Km. 4, Real del Bosque (Terán), Tuxtla Gutiérrez 29040, Chiapas, Mexico

2. Facultad de Ciencias en Física y Matemáticas, Universidad Autónoma de Chiapas (FCFM-UNACH), Ciudad Universitaria UNACH, Carretera Emiliano Zapata Km. 8, Rancho San Francisco, Ciudad Universitaria Terán, Tuxtla Gutiérrez, Chiapas C.P. 29050 Chiapas, Mexico

3. Instituto de Física y Matemáticas, Universidad Michoacana de San Nicolás de Hidalgo, Edificio C-3, Ciudad Universitaria, Morelia, Michoacán 58040, Mexico

4. Centro de Ciencias Exactas, Universidad del Bío-Bío, Avda. Andrés Bello 720, Casilla 447, 3800708, Chillán, Chile

Abstract

In this paper, the mass spectra of mesons with one or two heavy quarks and their diquarks partners are estimated within a nonrelativistic framework by solving Schrödinger equation with an effective potential inspired by a symmetry preserving Poincaré covariant vector–vector contact interaction model of quantum chromodynamics. Matrix Numerov method is implemented for this purpose. In our survey of mesons with heavy quarks, we fix the model parameter to the masses of groundstates and then extend our calculations for radial excitations and diquarks. The potential model used in this work gives results which are in good agreement with experimental data and other theoretical calculations.

Publisher

World Scientific Pub Co Pte Ltd

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

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