Search for heavy neutral leptons in e+e− annihilations at 29 GeV |
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| Authors: | D. Errede,C. Akerlof,J. Chapman,N. Harnew,P. Kesten,S. Kooijman,D.I. Meyer,D. Nitz,D. Rubin,A.A. Seidl,R. Thun,T. Trinko,M. Willutzky,M. Derrick,E. Fernandez,R. Fries,L. Hyman,P. Kooijman,J. Va&#x Vra |
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| Affiliation: | University of Michigan, Ann Arbor, MI 48109, USA;Argonne National Laboratory, Argonne, IL 60439, USA |
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| Abstract: | A search was made in 29 GeV e+e? annihilations for heavy, neutral leptons decaying to e±X?(ν), where X is a muon or charged meson. Six events with isolated e±X? pairs were found for an intergrated luminosity of 106 pb?1. The expected background is 5.5 ± 2.2 events. Limits on depend on mass and range from 8 to 20 × 10?5 nb. |
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