One-pion exchange in the X(3872) revisited

hep-ph

/ Authors

/ 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.

One-pion exchange in the X(3872) revisited

hep-ph

/ Authors

Yu. S. Kalashnikova, A. V. Nefediev

/ 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.