Z. Phys. C 67, 45-55 (1995) ZEITSCHRIFT FORPHYSIK C 9 Springer-Verlag 1995 Measurement of the hadronic decay current in r- > 7r- 7r- 7r + Ur OPAL Collaboration R. Akers 16, G. Alexander 23, J. Allison 16, K. Ametewee 25, K.J. Anderson 9, S. Arcelli 2, S. Asai 24, D. Axen 29, G. Azuelos 18'a, A.H. Ball 17, E. Barberio 26, R.J. Barlow t6, R. Bartoldus 3, J.R. Batley 5, G. Beaudoin 18, A. Beck 23, G.A. Beck 13, C. Beeston 16, T. Behnke 27, K.W. Bell 2~ G. Bella 23, S. Bentvelsen 8, P. Berlich 1~ S. Bethke 14, O. Biebe114, I.J. Bloodworth I , P. Bock 1l, H.M. Bosch I1, M. Boutemeur 18, S. Braiban0 2, P. Bright-Thomas 25, R.M. Brown 2~ A. Buijs 8, H.J. Burckhart 8, R. Bfirgin 1~ C. Burgard 27, N. Capdevielle 18, P. Capiluppi 2, R.K. Carnegie 6, A.A. Carter 13, J.R. Carter 5, C.Y. Chang 17, C. Charlesworth 6, D.G. Charlton 1,b, S.L. Chu 4, P.E.L. Clarke 15, J.C. Clayton 1, S.G. Clowes 16, I. Cohen 23, J.E. Conboy 15, O.C. Cooke 16, M. Cuffiani2, S. Dado 22, C. Dallapiccola iv, G.M. Dallavalle 2, C. Darling 31, S. De Jong 12, L.A. del Pozo s, H. Deng 17, M. Dittmar 4, M.S. Dixit 7, E. do Couto e Silva ~2, J.E. Duboscq s, E. Duchovni 26, G. Duckeck 8, I.P. Duerdoth 16, U.C. Dunwoody 5, J.E.G. Edwards 16, P.A. Elcombe 5, P.G. Estabrooks 6, E. Etzion 23, H.G. Evans 9, F. Fabbri 2, B. Fabbro 21, M. Fanti 2, P. Fath 11, M. Fierro 2, M. Fincke-Keeler 28, H.M. Fischer 3, P. Fischer 3, R. Folman 26, D.G. Fong 17, M. Foucher 17, H. Fukui 24, A. Ffirtjes 8, P. Gagnon 6, A. Gaidot 21, J.W. Gary 4, J. Gascon is, N.I. Geddes a~ C. Geich-Gimbel 3, S.W. Gensler 9, F.X. Gentit 21, T. Geralis 2~ G. Giacomelli 2, P. Giacomelli 4, R. Giacomelli 2, V. Gibson 5, W.R. Gibson 13, J.D. Gillies 2~ J. Goldberg 22, D.M. Gingrich 3~ M.J. Goodrick 5, W. Gorn 4, C. Grandi 2, E. Gross 26, J. Hagemann 27, G.G. Hanson 12, M, Hansroul s, C.K. Hargrove 7, P.A. Hart 9, M. Hauschild s, C.M. Hawkes s, E. Heflin4, R.J. Hemingway 6, G. Herren ~~ R.D. Heuer s, J.C. Hill 5, SJ. Hillier s, T. Hilse I~ P.R. Hobson 25, D. Hochman 26, R.J. Homer 1 , A.K. Honma 2s,a, R. Howard 29, R.E. Hughes-Jones 16, P. Igo-Kemenes 11, D.C. Imrie 25, A. Jawahery 17, P.W. Jeffreys 2~ H. Jeremie is, M. Jimack I , M. Jones 6, R.W.L. Jones s, P. Jovanovic J , C. Jui 4, D. Karlen 6, J. Kanzaki 24, K. Kawagoe 24, T. Kawamoto 24, R.K. Keeler 2s, R.G. Kellogg 17, B.W. Kennedy 2~ B. King s, J. King 13, J. Kirk 29, S. Kluth 5, T. Kobayashi 24, M. Kobel 1~ D.S. Koetke 6, T.P. Kokott 3, S. Komamiya 24, R. Kowalewski s, T. Kress ~ , P. Krieger 6, J. von Ki'ogh ~, P. Kyberd ~3, G.D. Lafferty 16, H. Lafoux s, R. Lahmann ~7, W.P. Lai ~9, J. Lauber s, J.G. Layter4, P. Leblanc ~s, A.M. Lee ~ , E. Lefebvre as, D. Lellouch 26, C. Leroy ~s, J. Letts a, L. Levinson 26, S.L. Lloyd ~3, F.K. Loebinger 16, G.D. Long tT, B. Lorazo ~8, M.J. Losty 7, X.C. Lou s, J. Ludwig 1~ A. Luig ~~ M. Mannelli s, S. Marcellini 2, C. Markus ~, A.J. Martin ~3, J.P. Martin ~s, T. Mashimo ~4, W. Matthews 25, P. M~ittig3, U. Maur 3, J. McKenna 29, T.J. McMahon ~, A.I. McNab ~3, F. Meijers 8, F.S. Merritt 9, H. Mes 7, A. Michelini s, R.P. Middleton ~~ G, Mikenberg 26, D.J. Miller ~5, R. Mir 26, W. Mohr m, A. Montanari 2, T. Mori 24, M. Morii 24, U. Mfiller?, B. Nellen 3, B. Nijjhar 16, S.W. O'Neale 1, F.G. Oakham 7, F. Odorici 2, H.O. Ogren ~, N.J. Oldershaw ~6, CJ. Oram 2s'a, M.J. Oreglia 9, S. Orito ~4, F. Palmonari 2, J.P. Pansart 2~ , G.N. Patrick 2~ M.J. Pearce ~ , P.D. Phillips 16, J.E. Pilcher 9, J. Pinfold 3~ D.E. Plane s, P. Poffenberger%, B. Poll 2, A. Posthaus 3, T.W. Pritchard ~3, H. Przysiezniak 3~ M.W. Redmond 8, D.L. Rees 8, D. Rigby ~ , M.G. Rison 5, S.A. Robins ~3, D. Robinson 5, N. Rodning 3~ J.M. Roney 28, E. Ros s, A.M. Rossi 2, M. Rosvick 28, P. Routenburg 3~ Y. Rozen s, K. Runge ~~ O. Runolfsson s, D.R. Rust ~2, M. Sasaki 24, C. Sbarra 2, A.D. Schaile s, O. Schaile 1~ F. Scharf 3, P. Scharff-Hansen s, P. Schenk 4, B. Schmitt ~, M. Schr6der s, H.C. Schultz-Coulon ~~ P. Schtitz 3, M. Schulz s, C. Schwick 27, J. Schwiening 3, W.G. Scott 2~ M. Settles ~2, T.G. Shears 5, B.C. Shen 4, C.H. Shepherd-Themistocleous 7, P. Sherwood ~5, G.P. Siroli 2, A. Skillman 15, A. Skuja 17, A.M. Smith ~, T.J. Smith 2s, G.A. Snow 17, R. Sobie 28, S. S61dner-Rembold 1~ R.W. Springer 3~ M. Sproston 2~ A. Stahl 3, M. Starks ~2, C. Stegmann I~ K. Stephens ~6, J. Steuerer 2~, B. Stockhausen 3, D. Strom 19, P. Szymanski 2~ R. Tafirout Is, H. Takeda 2~, T. Takeshita ~4, P. Taras ~s, S. Tarem ~6, M. Tecchio 9, P. Teixeira-Dias ~ , N. Tesch 3, M.A. Thomson s, O. Tousignant is, S. Towers 6, M. Tscheulin 1~ T. Tsukamoto 24, A.S. Turcot 9, M.F. Turner-Watson s, P. Utzat ~ , R. Van Kooten ~2, G. Vasseur ~ , P. Vikas ~s, M. Vincter 2~, A. Wagner ~7, D.L. Wagner 9, C.P. Ward 5, D.R. Ward 5, J.J. Ward 15, P.M. Watkins ~ , A.T. Watson ~ , N.K. Watson 7, P. Weber 6, P.S. Wells s, N. Wermes 3, B. Wilkens ~~ G.W. Wilson 27, J.A. Wilson ~ , V-H. Winterer m, T. Wlodek 26, G. Wolf26, S. Wotton ~1 , T.R. Wyatt ~6, A. Yeaman ~3, G. Yekutieli 26, M. Yurko ~8, V. Zacek is, W. Zeuner*, G.T. Zorn ~7 I School of Physics and Space Research, Universityof Birmingham,Birmingham B15 2TT, UK 2 Dipartimentodi Fisica dell' Universit~t di Bologna and INFN, 1-40126 Bologna, Italy 3 Physikalisches Institut, Universit~tBonn, D-53115 Bonn, Germany 4 Departmentof Physics, Universityof California, RiversideCA 92521, USA 5 Cavendish Laboratory,CambridgeCB3 0HE, UK 6 CarletonUniversity,Departmentof Physics, Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada 7 Centre for Research in Particle Physics, Carleton University,Ottawa, Ontario K1S 5B6, Canada s CERN, European Organisationfor Particle Physics, CH-1211 Geneva 23, Switzerland 9 Enrico Fermi Institute and Departmentof Physics, Universityof Chicago, Chicago IL 60637, USA 10 Fakult~it fiJr Physik, Albert Ludwigs Universitfit,D-79104 Freiburg, Germany 11 Physikalisches Institut, UniversitStHeidelberg, D-69120 Heidelberg,Germany