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.
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Kalashnikova, Y.S., Nefediev, A.V. One-pion exchange in the X (3872) revisited. Jetp Lett. 97, 70–75 (2013). https://doi.org/10.1134/S0021364013020070
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DOI: https://doi.org/10.1134/S0021364013020070