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Nuclear Theory

arXiv:1503.03319 (nucl-th)
[Submitted on 11 Mar 2015]

Title:Baryonium, a common ground for atomic and high energy physics

Authors:S. Wycech, J.P. Dedonder, B. Loiseau
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Abstract:Indications of the existence of quasi-bound states in the N-Nbar system are presented. Measurements by BES discovered a broad enhancement close to the p-pbar threshold in the S wave, isospin 0 state formed in radiative decays of J/psi. Another enhancement located about 50 MeV below the threshold was found in mesonic decays of J/psi. In terms of the Paris potential model it was shown that these are likely to represent the same state. Antiprotonic atomic data provide some support for this interpretation and indicate the existence of another fairly narrow quasi-bound state in a P wave.
Comments: 6 pages, 6 figures - Contribution to EXA2014 Vienna to appear in a special edition of Hyperfine Interactions
Subjects: Nuclear Theory (nucl-th); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1503.03319 [nucl-th]
  (or arXiv:1503.03319v1 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.1503.03319
Related DOI: https://doi.org/10.1007/s10751-015-1150-z

Submission history

From: Loiseau Benoit [view email]
[v1] Wed, 11 Mar 2015 13:19:38 UTC (124 KB)
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