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Search for narrow dibaryon resonances in neutral pion photoproduction from the deuteron

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The reaction γd↦π0 X has been measured with TAPS at MAMI in the energy range E γ = 140-300 MeV. Using the Glasgow tagging spectrometer a photon energy resolution of 0.8 MeV was achieved. The energy excitation functions of integral and differential total cross-sections show no structures of statistical significance > 2σ. Upper limits for the production of narrow isoscalar or isovector dibaryons with masses m? 2100 MeV/c2 were deduced. They are in the range 2-5 μb averaged over the 0.8 MeV energy resolution.

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Received: 25 October 2000 / Accepted: 24 November 2000

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Siodlaczek, U., Achenbach, P., Ahrens, J. et al. Search for narrow dibaryon resonances in neutral pion photoproduction from the deuteron. Eur Phys J A 9, 309–311 (2000). https://doi.org/10.1007/s100500070015

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  • DOI: https://doi.org/10.1007/s100500070015

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