Journal of Research on Many-body Systems

Journal of Research on Many-body Systems

The Calculate of binding energy and wave function of tetraquark bbss from lattice QCD potential with analytically approach

Document Type : Full length research Paper

Authors
Fereshteh Chezani Sharahi 1
Majid Monemzadeh 2
Abbas Abdoli Arani 3
1 Department of Physics, Faculty of science, University of Kashan, Kashan, Iran
2 Department of Physics, Faculty of Science, University of Kashan, Iran
3 Department of Physics, Faculty of Science, University of Kashan, Kashan, Iran
10.22055/jrmbs.2020.15329
Abstract
In this paper, Tetraquark is considered as a bound state of 4-quark systems containing two
heavy-heavy antiquarks and two light-light quarks ss. Tetraquark is also assumed as a 2-body
system consisting of two mesons; each containing a light quark and a heavy quark. BornOppenheimer approximation could be employed due to the mesons’ heavy weight. Hence, the
Schrödinger equation may be solved by replacing the ensuing potential from lattice QCD. Having
solved the equations, the binding energy and tetraquark wave function are then obtained in scalar
ss channel. Finally, obtained values for binding energy are compared with those reported in the
literature, and considering the wave function diagrams for the particle, its tetraquark radius is
estimated.
Keywords
Binding Energy
Tetraquark
Exotic hadrons
Wave Function
Lattice QCD
Subjects
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  • Receive Date 27 June 2018
  • Revise Date 21 September 2019
  • Accept Date 28 December 2019