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A J^PG=1++ Charged Resonance in the Y(4260) to pi+pi- J/psi Decay? · Around

2013

A J^PG=1++ Charged Resonance in the Y(4260) to pi+pi- J/psi Decay?

Faccini, R., Maiani, L., Piccinini, F. et al.

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New BES and Belle data show a peak in the Y(4260) decay into J/psi plus one charged pion.

We point out that the peak might correspond to a charged resonance at about 3880 MeV predicted time ago within a tetraquark model.
The same tetraquark model predicts another peak at about 100 MeV below the observed one.
We discuss the possibility of having it in present data.

Built on

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Then

A. Bondar et al
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2012
Later among the works it cites.
A. Ali, C. Hambrock and W. Wang, Phys. Rev. D 85
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2012
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R. Faccini, F. Piccinini, A. Pilloni and A. D. Polosa, Phys. Rev. D 86
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2012
Later among the works it cites.
C. Hanhart, Y. .S. Kalashnikova, A. E. Kudryavtsev and A. V. Nefediev, Phys. Rev. D 85
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2012
Later among the works it cites.

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