arXiv:1111.6241·v2·High Energy Physics — Phenomenology
Remarks on the quantum numbers of X(3872) from the invariant mass distributions of the rho J/psi and omega J/psi final states
C. Hanhart (FZ-Juelich)🇩🇪 · Yu. S. Kalashnikova · A. E. Kudryavtsev · A. V. Nefediev (ITEP, Moscow)
Abstract
We re-analyse the two- and three-pion mass distributions in the decays X(3872)->rho J/psi and X(3872)->omega J/psi and argue that the present data favour the 1++ assignment for the quantum numbers of the X.
Comments: RevTeX4, 4 pages, typos corrected, to appear as Rapid Communication in Phys.Rev.D