Abstract
New measurements of the pionic double charge exchange on56Fe exhibit a pronounced energy dependence of this reaction at low energies in accordance with similar observations on other nuclei. We show that this peculiar energy dependence finds its natural explanation by a resonance in theπNN subsystem withJ p=0−,T=0 and a mass of 2.065 GeV.
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This work has been funded by the German Federal Minister for Research and Technology (BMFT) under the contract numbers 06 TÜ 656 and 06 KA 266 and by the DFG (Mu 704/3, Graduiertenkolleg)
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Bilger, R., Clement, H., Föhl, K. et al. Evidence for a dibaryon resonance in the pionic double charge exchange. Z. Physik A - Hadrons and Nuclei 343, 491–492 (1992). https://doi.org/10.1007/BF01289829
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DOI: https://doi.org/10.1007/BF01289829