arXiv:1212.2004·v2·High Energy Physics — Phenomenology
One-pion exchange in the X(3872) revisited
Yu. S. Kalashnikova🇷🇺 · A. V. Nefediev (ITEP, Moscow)🇷🇺
Abstract
We re-examine one-pion exchange as a possible binding mechanism in the X(3872) charmonium-like state and argue it to be not sufficiently binding for this purpose. We conclude therefore that other short-range dynamics are responsible for the X formation.
Comments: LaTeX2e, 6 pages, to appear in JETP Lett