Speaker
Boris Kopeliovich
(UTFSM)
Description
A colorless $c\bar c$ dipole propagating through a hot medium can be dissolved either due to Debye screening of the binding potential, or by inelastic (color exchange) interaction with the medium, which turns the dipole into a color-octet state (absorption). Both mechanisms
are included into the path-integral description of the in-medium propagation of the dipole, providing the real and imaginary parts of the light-cone potential respectively. We found that
absorption, which is frequently forgotten, leads to a considerably stronger suppression of $J/\Psi$
production in heavy ion collisions, than the effect of Debye screening.
Author
Boris Kopeliovich
(UTFSM)
Co-authors
Dr
Irina Potashnikova
(UTFSM)
Prof.
Ivan Schmidt
(UTFSM)
Dr
Marat Siddikov
(UTFSM)
