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ENHANCEMENT AT THE SIGMA-KBAR THRESHOLD (1680) MEV OBSERVED IN K-P REACTIONS AT 4.2 GEV-C by Dionisi, C, Diaz, J, Armenteros, R, Gavillet, P, Gurtu, A, Hemingway, R, Mazzucato, M, Blokzijl, R, Kluyver, J, Massaro, G, Metzger, W, Schotanus, J, Tiecke, H, Foster, B, Lamb, P, Mcdowell, W

An enhancement at the ΣK threshold (1680) MeV observed in K- p reactions at 4.2 GeV/c by Dionisi, C, Diaz, J, Armenteros, R, Gavillet, P, Gurtu, A, Hemingway, R, Mazzucato, M, Blokzijl, R, Kluyver, J, Massaro, G, Metzger, W, Schotanus, J, Tiecke, H, Foster, B, Lamb, P, McDowell, W