A Search for Doubly-Charged Higgs Production in Z 0 Decays The OPAL Collaboration
semanticscholar(2019)
摘要
A search for the decay of the Z 0 into doubly-charged Higgs bosons (H ) decaying to same-sign lepton pairs is presented using data collected with the OPAL detector at LEP, with an integrated luminosity of 6:8 pb . Four-track nal states from prompt decays, and events with at least one highly ionizing track from long-lived H were sought. H are excluded in the mass range from zero to 45.6 GeV/c and for a coupling constant range that extends down to zero. (Submitted to Physics Letters B) The OPAL Collaboration P.D.Acton 25 , G.Alexander 23 , J. Allison 16 , P.P.Allport 5 , K.J. Anderson 9 , S.Arcelli 2 , A.Astbury 28 , D.Axen 29 , G.Azuelos 18;a , G.A.Bahan 16 , J.T.M.Baines 16 , A.H.Ball 17 , J. Banks 16 , R.J. Barlow 16 , S.Barnett 16 , J.R.Batley 5 , G.Beaudoin 18 , A.Beck 23 , J.Becker 10 , T.Behnke 27 , K.W.Bell 20 , G.Bella 23 , P. Berlich 10 , S. Bethke 11 , O. Biebel 3 , U. Binder 10 , I.J.Bloodworth 1 , P.Bock 11 , B. Boden 3 , H.M.Bosch 11 , S. Bougerolle 29 , H.Breuker 8 , R.M.Brown 20 , A.Buijs 8 , H.J.Burckhart 8 , C.Burgard 27 , P. Capiluppi 2 , R.K.Carnegie 6 , A.A.Carter 13 , J.R. Carter 5 , C.Y.Chang 17 , D.G.Charlton 8 , P.E.L.Clarke 25 , I. Cohen 23 , J.C.Clayton1, W.J.Collins 5 , J.E.Conboy 15 , M.Cooper 22 , M.Coupland 14 , M.Cu ani 2 , S. Dado 22 , G.M.Dallavalle 2 , S.De Jong 8 , L.A. del Pozo 5 , H.Deng 17 , A.Dieckmann 11 , M.Dittmar 4 , M.S.Dixit 7 , E. do Couto e Silva 12 , J.E.Duboscq 8 , E.Duchovni 26 , G.Duckeck 11 , I.P.Duerdoth 16 , D.J.P.Dumas 6 , P.A.Elcombe 5 , P.G.Estabrooks 6 , E.Etzion 23 , H.G.Evans 9 , F.Fabbri 2 , M.Fincke-Keeler 28 , H.M.Fischer 3 , D.G.Fong 17 , M.Foucher 17 , A.Gaidot 21 , O.Ganel 26 , J.W.Gary 4 , J.Gascon 18 , R.F.McGowan 16 , N.I.Geddes 20 , C.Geich-Gimbel 3 , S.W.Gensler 9 , F.X.Gentit 21 , G.Giacomelli 2 , V.Gibson 5 , W.R.Gibson 13 , J.D.Gillies 20 , J. Goldberg 22 , M.J.Goodrick 5 , W.Gorn 4 , C.Grandi 2 , F.C.Grant 5 , J. Hagemann 27 , G.G.Hanson 12 , M.Hansroul 8 , C.K.Hargrove 7 , P.F.Harrison 13 , J.Hart 8 , P.M.Hattersley 1 , M.Hauschild 8 , C.M.Hawkes 8 , E.He in 4 , R.J. Hemingway 6 , R.D.Heuer 8 , J.C.Hill 5 , S.J.Hillier 1 , T.Hilse 10 , D.A.Hinshaw 18 , J.D.Hobbs 8 , P.R.Hobson 25 , D.Hochman 26 , R.J. Homer 1 , A.K.Honma 28;a , C.P.Howarth 15 , R.E.Hughes-Jones 16 , R. Humbert 10 , P. Igo-Kemenes 11 , H. Ihssen 11 , D.C. Imrie 25 , A.C. Janissen 6 , A. Jawahery 17 , P.W. Je reys 20 , H. Jeremie 18 , M. Jimack 2 , M. Jobes 1 , R.W.L. Jones 13 , P. Jovanovic 1 , C. Jui 4 , D.Karlen 6 , K.Kawagoe 24 , T.Kawamoto 24 , R.K.Keeler 28 , R.G.Kellogg 17 , B.W.Kennedy 15 , S. Kluth 5 , T.Kobayashi 24 , T.P.Kokott 3 , S. Komamiya 24 , L. K opke 8 , J.F.Kral 8 , R.Kowalewski 6 , J. von Krogh 11 , J.Kroll 9 , M.Kuwano 24 , P. Kyberd 13 , G.D.La erty 16 , F. Lamarche 18 , J.G.Layter 4 , P. Le Du 21 , P. Leblanc 18 , A.M.Lee 17 , M.H.Lehto 15 , D. Lellouch 26 , P. Lennert 11 , C. Leroy 18 , J. Letts 4 , S. Levegr un 3 , L. Levinson 26 , S.L. Lloyd 13 , F.K.Loebinger 16 , J.M.Lorah 17 , B. Lorazo 18 , M.J. Losty 7 , X.C.Lou 12 , J. Ludwig 10 , M.Mannelli 8 , S.Marcellini 2 , G.Maringer 3 , C.Markus 3 , A.J.Martin 13 , J.P.Martin 18 , T.Mashimo 24 , P.Mattig 3 , U.Maur 3 , J.McKenna 28 , T.J.McMahon 1 , J.R.McNutt 25 , F.Meijers 8 , D.Menszner 11 , F.S.Merritt 9 , H.Mes 7 , A.Michelini 8 , R.P.Middleton 20 , G.Mikenberg 26 , J.Mildenberger 6 , D.J.Miller 15 , R.Mir 12 , W.Mohr 10 , C.Moisan 18 , A.Montanari 2 , T.Mori 24 , M.Morii 24 , T.Mouthuy 12;b , B.Nellen 3 , H.H.Nguyen 9 , M.Nozaki 24 , S.W.O'Neale 8;c , F.G.Oakham 7 , F.Odorici 2 , H.O.Ogren 12 , C.J.Oram 28;a , M.J.Oreglia 9 , S. Orito 24 , J.P.Pansart 21 , B. Panzer-Steindel 8 , P. Paschievici 26 , G.N.Patrick 20 , N. Paz-Jaoshvili 23 , P.P ster 10 , J.E.Pilcher 9 , J.L.Pinfold g , D.Pitman 28 , D.E.Plane 8 , P.Po enberger 28 , B.Poli 2 , A. Pouladdej 6 , E.Prebys 8 , T.W.Pritchard 13 , H.Przysiezniak 18 , G.Quast 27 , M.W.Redmond 9 , D.L.Rees 1 , G.E.Richards 16 , D.Robinson 8 , A.Rollnik 3 , J.M.Roney 9 , E.Ros 8 , S. Rossberg 10 , A.M.Rossi 2;d , M.Rosvick 28 , P.Routenburg 6 , K.Runge 10 , O. Runolfsson 8 , D.R.Rust 12 , M. Sasaki 24 , C. Sbarra 8 , A.D.Schaile 10 , O. Schaile 10 , W. Schappert 6 , P. Schar -Hansen 8 , P. Schenk 28 , H. von der Schmitt 11 , S. Schreiber 3 , C. Schwick 27 , J. Schwiening 3 , W.G.Scott 20 , M. Settles 12 , T.G. Shears 5 , B.C. Shen 4 , C.H. Shepherd-Themistocleous 7 , P. Sherwood 15 , R. Shypit 29 , A. Simon 3 , P. Singh 13 , G.P.Siroli 2 , A. Skuja 17 , A.M.Smith 8 , T.J. Smith 8 , G.A. Snow 17 , R. Sobie 28;e , R.W.Springer 17 , M. Sproston 20 , K. Stephens 16 , J. Steuerer 28 , R. Strohmer 11 , D.Strom 30 , T.Takeshita 24;f , P.Taras 18 , S. Tarem 26 , M.Tecchio 9 , P. Teixeira-Dias 11 , N.Tesch 3 , N.J.Thackray 1 , G.Transtromer 25 , N.J. Tresilian 16 , T.Tsukamoto 24 , M.F.Turner 5 , G.Tysarczyk-Niemeyer 11 , D.Van den plas 18 , R. Van Kooten 8 , G.J.VanDalen 4 , G.Vasseur 21 , C.J.Virtue 7 , A.Wagner 27 , D.L.Wagner 9 , C.Wahl 10 , J.P.Walker 1 , C.P.Ward 5 , D.R.Ward 5 , P.M.Watkins 1 , A.T.Watson 1 , N.K.Watson 8 , M.Weber 11 , P.Weber 6 , S.Weisz 8 , P.S.Wells 8 , N.Wermes 11 , M.A.Whalley 1 , G.W.Wilson 4 , J.A.Wilson 1 , V-H.Winterer 10 , T.Wlodek 26 , S.Wotton 11 , T.R.Wyatt 16 , R. Yaari 26 , A.Yeaman 13 , G.Yekutieli 26 , M.Yurko 18 , W.Zeuner 8 , G.T.Zorn 17 .
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