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Energy scan for narrow states in e+e- annihilation at C.M. energies between 29.90 and 31.46 GeV
Journal article   Peer reviewed

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

R Brandelik, W Braunschweig, K Gather, V Kadansky, K Lübelsmeyer, P Mättig, HU Martyn, G Peise, J Rimkus, HG Sander, …
Physics Letters B, Vol.88(1-2), pp.199-202
03/12/1979

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. © 1979.

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