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Energy scan for narrow states in e+e− annihilation at C.M. energies between 29.90 and 31.46 GeV

By R Brandelik, W Braunschweig, K Gather, V Kadansky, K Lübelsmeyer, P Mättig, H Martyn, G Peise, J Rimkus, H Sander, D Schmitz, A Schultz von Dratzig, D Trines, W Wallraff, H Boerner, H. M. Fischer, H Hartmann, E Hilger, W Hillen, G Knop, P Leu, B Löhr, R Wedemeyer, N Wermes, M Wollstadt, D.G. Cassel, D Heyland, H Hultschig, P Joos, W Koch, P Koehler, U Kötz, H Kowalski, A Ladage, D Lüke, H.L. Lynch, G Mikenberg, D Notz, J Pyrlik, R Riethmüller, M Schliwa, P Söding, B.H. Wiik, G Wolf, R Fohrmann, M Holder, G Poelz, J Ringel, O Römer, R Rüsch, P Schmüser, D.M. Binnie, P.J. Dornan, N.A. Downie, D.A. Garbutt, W.G. Jones, S.L. Lloyd, D Pandoulas, J Sedgbeer, S Yarker, C Youngman, Roger Barlow, R.J. Cashmore, J Illingworth, M Ogg, B Roe, G.L. Salmon, K.W. Bell, W Chinowsky, B Foster, J.C. Hart, J Proudfoot, D.R. Quarrie, D.H. Saxon, P.L. Woodworth, Y Eisenberg, U Karshon, D Revel, E Ronat, A Shapira, J Freeman, P Lecomte, T Meyer, Sau Lan Wu and G Zobernig

Abstract

A fine energy scan has been performed to search for narrow states in e+e− annihilation at c.m. energies between 29.90 and 31.46 GeV. No such state has been observed. The 90% confidence upper limit on the leptonic decay width times the hadronic decay branching ratio is ΓeeBh<1.6 keV

Topics: QC
Publisher: Elsevier
Year: 1979
DOI identifier: 10.1016/0370-2693(79)90145-x
OAI identifier: oai:eprints.hud.ac.uk:9863
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