Strong Couplings of X(3872)_{J=1,2} and a New Look at J/psi Suppression in Heavy Ion Collisions

Abstract

We define and compute from data the strong couplings of the X(3872) with both of the possible quantum numbers assignments J^{PC}=1^{++},2^{-+}. We use these to compute cross sections for J/psi resonance scattering into D Dbar*. As an application of the results obtained we revise the calculation of the J/psi absorption in a hot hadron gas to confront with recent RHIC observations in Au-Au collisions.

arXiv comment23 pages, 18 figures, 4 tables

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• Hamiltonian, Path Integral and BRST Formulations of Large N Scalar $QC{D}_2$ on the Light-Front and Spontaneous Symmetry Breaking
• Charmonium, $B_c$ and X(3872) Transport at the LHC