$J/Ψ$-nuclear bound states

Details $J/Ψ$-nuclear bound states $J/Ψ$-nuclear bound states

2011-03-29

arxiv.org/abs/1103.5516v2

Phys.Rev.C83:065208,2011

Physics

Nuclear Physics

Nuclear Theory

11 pages, 4 figures, 1 table, to appear in Phys. Rev. C. Further comments on the width of J/Psi-nuclear states, effective Lagr

Scientific paper

10.1103/PhysRevC.83.065208

$J/\Psi$-nuclear bound state energies are calculated for a range of nuclei by solving the Proca (Klein-Gordon) equation. Critical input for the calculations, namely the medium-modified $D$ and $D^*$ meson masses, as well as the nucleon density distributions in nuclei, are obtained from the quark-meson coupling model. The attractive potential originates from the $D$ and $D^*$ meson loops in the $J/\Psi$ self-energy in nuclear medium. It appears that $J/\Psi$-nuclear bound states should produce a clear experimental signature provided that the $J/\Psi$ meson is produced in recoilless kinematics.

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