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

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arxiv 1303.6857 v2 pith:RGVH2SD2 submitted 2013-03-27 hep-ph

R. Faccini , L. Maiani , F. Piccinini , A. Pilloni , A.D. Polosa , V. Riquer This is my paper · ORCID
classification hep-ph
keywords peakchargeddatadecaymodelresonancetetraquarkanother
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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. On the other hand we expect that if the molecular picture were the correct one, a peak corresponding to a D* D*bar state should appear at about 4020 MeV.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Finite-volume quantization condition from the $N/D$ representation

    hep-lat 2024-11 conditional novelty 7.0 of 10

    A finite-volume quantization condition based on the N/D representation is derived and claimed to remain valid when the energy coincides with left-hand cuts, where the original Luescher condition fails.

  2. Bottomoniumlike states in proton collisions: Fragmentation and resummation

    hep-ph 2024-12 conditional novelty 6.0 of 10

    New TQHL1.1 and TQ4Q1.1 fragmentation functions for doubly and fully bottomed tetraquarks are constructed and evolved, yielding first predictions for bottom-tetraquark plus jet distributions at 14 and 100 TeV.

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