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Is X(3872) a molecule? · Around

2008

Is X(3872) a molecule?

Thomas, C. E., Close, F. E.

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We show that the literature on pion exchange between charm and bottom mesons is inconsistent.

We derive the formalism explicitly, expose differences between papers in the literature and clarify the implications.
We show that the X(3872) can be a bound state but that results are very sensitive to a poorly constrained parameter.
We confirm that bound states in the B Bbar sector are possible.

Built on

Pions and nuclei
T. Ericson and M. Weise, · 1988
Earlier work this paper cites.
Phys. Rev. Lett. 67
N. A. Tornqvist, · 1991
Earlier work this paper cites.
Phys. Lett. B309
T. E. O. Ericson and G. Karl, · 1993
Earlier work this paper cites.
Z. Phys. C61
N. A. Tornqvist, · 1994
Earlier work this paper cites.

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Private communication with R.C. Johnson
Original
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Then

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