Search for narrow resonances in $e^+$$e^−$ annihilation at petra
- Berger, Ch.
- Genzel, H.
- Barreiro, F.
- Bürger, J.
- Criegee, L.
- Dehne, H. C.
- Devenish, R.
- Eskreys, A.
- Flügge, G.
- Franke, G.
- Gabriel, W.
- Gerke, Ch.
- Grigull, R.
- Knies, G.
- Lehmann, E.
- Mertiens, H. D.
- Michelsen, U.
- Pape, K. H.
- Reich, H. D.
- Stella, B.
- Ranga Swamy, T. N.
- Timm, U.
- Wagner, W.
- Lackas, W.
- Waloschek, P.
- Winter, G. G.
- Zimmermann, W.
- Achterberg, O.
- Blobel, V.
- Boesten, L.
- Hepp, V.
- Kapitza, H.
- Koppitz, B.
- Lewendel, B.
- Raupach, F.
- Lührsen, W.
- van Staa, R.
- Spitzer, H.
- Chang, C. Y.
- Glasser, R. G.
- Kellogg, R. G.
- Lau, K. H.
- Polvado, R. O.
- Sechi-Zorn, B.
- Skuja, A.
- Klovning, A.
- Welch, G.
- Zorn, G. T.
- Bäcker, A.
- Brandt, S.
- Derikum, K.
- Diekmann, A.
- Grupen, C.
- Meyer, H. J.
- Neumann, B.
- Rost, M.
- Lillestöl, E.
- Zech, G.
- Azemoon, T.
- Daum, H. J.
- Meyer, H.
- Meyer, O.
- Rössler, M.
- Schmidt, D.
- Wacker, K.
- PLUTO Collaboration
- Lillethun, E.
- Skard, J. A.
- Ackermann, H.
DOIAbstract
We have performed a search for narrow resonances in the center of mass energy range from 29.90 to 31.46 GeV using the e + e − storage ring PETRA at DESY. We present the total cross section for hadron production and an upper limit for resonance production, indicating that no bound state of charge- 2 3 quarks exists in this energy range
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