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Physics Letters B
Volume 147, Issues 1-3, 1 November 1984, Pages 241-248
 
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doi:10.1016/0370-2693(84)90628-2    How to Cite or Link Using DOI (Opens New Window)
Copyright © 1984 Published by Elsevier Science B.V. All rights reserved.

Observation of muonic ZO-decay at the Image p collider

UA1 Collaboration, CERN, Geneva, Switzerland, G. Arnisonm, O. C. Allkoferg, A. Astburym, 1, B. Aubertb, C. Bacci, G. Bauerp, A. Bézaguetd, R. K. Bockd, T. J. V. Bowcockh, M. Calvettid, P. Catzb, P. Cenninid, S. Centro2, F. Ceradini, S. Cittolind, D. Clinep, C. Cochetn, J. Colasb, M. Cordenc, D. Dallmand, o, D. Daud, g, M. DeBeern, M. Della Negrab, d, M. Demoulind, D. Denegrin, D. DiBitontod, A. DiCiaccio, L. Dobrzynskij, J. Dowellc, K. Eggerta, E. Eisenhandlerh, N. Ellisd, P. Erharda, H. Faissnera, M. Finckeg, 1, P. Flynnm, G. Fontainej, R. Freyk, R. Frühwirtho, J. Garveyc, S. Geere, C. Ghesquièrej, P. Ghezb, K. L. Gibonia, W. R. Gibsonh, Y. Giraud-Héraudj, A. Givernaudn, A. Gonidecb, G. Grayerm, T. Hansl-Kozaneckaa, W. J. Haynesm, L. O. Hertzbergeri, D. Hoffmanna, H. Hoffmannd, D. J. Holthuizeni, R. J. Homerc, A. Honmah, W. Jankd, W. Joratd, P. I. P. Kalmush, V. Karimäkif, R. Keelerh, 1, I. Kenyonc, A. Kernank, R. Kinnunenf, W. Kozaneckik, D. Krynd, j, P. Kyberdh, F. Lacava, J. -P. Laugiern, J. -P. Leesb, H. Lehmanna, R. Leuchsg, A. ℓévêqued, D. Linglinb, E. Loccin, M. Loretn, T. Markiewiczp, G. Maurinb, T. McMahonc, J. -P. Mendiburuj, M. -N. Minardb, M. Mohammadip, M. Moricca, K. Morgank, F. Mullerd, A. K. Nandih, L. Naumannd, A. Nortond, A. Orkin-Lecourtoisj, L. Paoluzi, F. Paussd, G. Piano Mortari, E. Pietarinene, M. Pimiäf, D. Pitmank, A. Placcid, J. -P. Ported, E. Radermachera, J. Ransdellk, H. Reithlera, J. -P. Revold, J. Richn, M. Rijssenbeekd, C. Robertsm, J. Rohlfe, P. Rossid, C. Rubbiad, B. Sadouletd, G. Sajotj, G. Salvini, J. Sassn, A. Savoy-Navarron, D. Schinzeld, W. Scottm, T. P. Shahm, I. Sheerk, D. Smithk, M. Spiron, E. Strausso, J. Streetsc, K. Sumorokd, F. Szoncsoo, C. Taoj, G. Thompsonh, J. Timmerd, E. Tschesloga, J. Tuominiemif, B. Van Eijki, J. -P. Vialleb, J. Vranaj, V. Vuillemind, H. D. Wahlo, P. Watkinsc, J. Wilsonc, C. -E. Wulzo and M. Yvertb

a Aachen, Germany b Annecy (LAPP), France c Birmingham, UK d CERN, Switzerland e Harvard, USA f Helsinki, Finland g Kiel, Germany h Queen Mary College, London, UK i NIKHEF, Amsterdam, Netherlands j Paris (Collège de France), France k Riverside, USA , Roma, Italy m Rutherford Appleton Laboratory, USA n Saclay (CEN), France o Vienna, Austria p Wisconsin, USA

Received 22 August 1984. 
Available online 14 October 2002.

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Abstract

We report the observation of five muonic Z0 decays. The mass and cross section times branching ratio is consistent with the previous measurements of Z0→e+e. Three of the muonic decays have unexpected features. One event is of the type Z0→μ+μγ. Two of the Z0→μ+μ decays are accommpanied by several (>4) energetic (ET > 10 GeV) jets which are difficult to explain within the framework of standard QCD corrections.

Article Outline

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Physics Letters B
Volume 147, Issues 1-3, 1 November 1984, Pages 241-248
 
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