Search for narrow baryonium states

A sample of 80 000 events in the reaction π +p → (π +pp̄)p has been obtained at 50 GeV/ c at the CERN SPS with the Geneva-Lausanne spectrometer. Upper limits on the cross section for diffractive production of narrow πpp̄ and pp̄ states are given in the mass ranges 2.2 ⩽ M πp p ̄ ⩽ 4 GeV and 1.88 ⩽ M...

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Bibliographic Details
Published in:Physics letters. B 1979-01, Vol.86 (3), p.409-412
Main Authors: Cleland, W.E., Delfosse, A., Dorsaz, P.A., Extermann, P., Gloor, J.L., Guisan, O., Hungerbühler, V., Kienzle-Focacci, M.N., Mancarella, G., Martin, M., Mühlemann, P., Nef, C., Pal, T., Rosselet, P., Sutter, R., Vriens, A., Weill, R., Zeidler, H.
Format: Article
Language:English
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Summary:A sample of 80 000 events in the reaction π +p → (π +pp̄)p has been obtained at 50 GeV/ c at the CERN SPS with the Geneva-Lausanne spectrometer. Upper limits on the cross section for diffractive production of narrow πpp̄ and pp̄ states are given in the mass ranges 2.2 ⩽ M πp p ̄ ⩽ 4 GeV and 1.88 ⩽ M p p ̄ ⩽ 2.7 GeV .
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(79)90867-0