A search for doubly charged Higgs production in Z 0 decays

P D Acton ,T Tsukamoto,L Köpke,W Gorn,J Mildenberger,A Dieckmann,M Morii,M Yurko,A Gaidot,G Giacomelli,A Buijs,H Von Der Schmitt,G Tysarczyk-Niemeyer,P Kyberd,J Steuerer,A Rollnik,G Duckeck,R Van Kooten,B Lorazo,H Przysiezniak,C Wahl,I Cohen,S Bougerolle,F Odorici,M Coupland,T Kawamoto,M Rosvick,W Mohr,C Burgard,H Mes,F Lamarche,R Kowalewski,B Boden,T Hilse,V Gibson,P Leblanc,P Paschievici,D Karlen,K Stephens,M Tecchio,N Tesch,M Foucher,T Behnke,A Michelini,C Markus,A Yeaman,M Jobes,J Von Krogh,P Routenburg,W Schappert,P Berlich,M Sproston,D Menszner,M Jimack,R Mir,O Ganel,D Hochman,S Rossberg,S Weisz,P Pfister,H Ihssen,J Banks,S Levegrün,R Humbert,P Poffenberger,A Jawahery,G Vasseur,D Van Den Plas,J Hagemann,G Yekutieli,J Ludwig,T Mouthuy,M Hauschild,A Pouladdej,P Mättig,D Axen,B Panzer-Steindel,P Bock,P Weber,N Paz-Jaoshvili,P Scharff-Hansen,M Hansroul,J Goldberg,M Settles,M Kuwano,B Nellen,U Binder,U Maur,C Moisan,P Lennert,E Heflin,J Schwiening,G Maringer,P Taras,S De Long,D Pitman,S Orito,A Astbury,R Shypit,R Yaari,O Schaile,B Poli,T Kobayashi,K Runge,J Gascon,A Beck,P Schenk,G Beaudoin,J Allison,H Breuker,P Singh,C Jui,P Capiluppi,G Mikenberg,S Barnett,C Grandi,S Arcelli,M Sasaki,D Lellouch,F Meijers,G Quast,G Alexander,O Biebel,S Schreiber,A Skuja,A Simon,J Král ,H M Bosch ,G J Vandalen ,J A Mckenna ,G A Bahan ,T Shears ,M J Oreglia ,M J Goodrick ,A M Rossi ,F C Grant ,P M Hattersley ,P F Harrison ,C M Hawkes ,S A Wotton ,G M Dallavalle ,M A Whalley ,J P Pansart ,V H Winterer ,P E.l Clarke ,P G Estabrooks ,L A Del Pozo ,R W Springer ,F G Oakham ,H Evans ,R J Barlow ,S W Gensler ,T J Smith ,M Turner ,D G Charlton ,R Keeler ,D G Fong ,T P Kokott ,P W Jeffreys ,M W Redmond ,H H Nguyen ,N K Watson ,F K Loebinger ,N I Geddes ,J G Layter ,X Lou ,R P Middleton ,D J Miller ,K W Bell ,M H Lehto ,R M Brown ,J T Baines ,A K Honma ,R E Hughes-Jones ,C K Hargrove ,Ö Runólfsson ,S L Lloyd ,T W Pritchard ,P S Wells ,K J Anderson ,G N Patrick ,H Jérémie ,D A Hinshaw ,M J Losty ,D L Rees ,J C Clayton ,R F Mcgowan ,J A Wilson ,H Burckhart ,W R Gibson ,G Tranströmer ,B W Kennedy ,B C Shen ,Hui Deng ,D R Rust ,Roger Jones ,J M Roney ,G D Lafferty ,C J Virtue ,C P Howarth ,J E Conboy ,C Y Chang ,I J Bloodworth ,L J Levinson ,T R Wyatt ,P Le Dû ,James Pinfold ,R G Kellogg ,P P Allport ,T Mäshimo ,D R Ward ,A D Schaile ,J E Duboscq ,J P Martín ,D L Wagner ,F S Merritt ,F X Gentit ,G A Snow ,C H Shepherd-Themistocleus ,P Igo‐Kemenes ,W D Zeuner ,C J Oram ,A Martín ,R J Homer ,I P Duerdoth ,J R Carter ,P A Elcombe ,J M Lorah ,J Hobbs ,J R Mcnutt ,R K Carnegie ,M S Dixit ,G W Wilson ,A C Janissen ,Ch Geich-Gimbel ,H M Fischer ,W J Collins ,J P Walker ,S J Hillier ,J R Batley ,A H Ball ,E Do Couto E Silva ,C P Ward ,A M Lee ,G P Siroli ,R J Hemingway ,N J Tresilian ,J C Hart ,H O Ogren ,A A Carter ,A M Smith ,W G Scott ,D E Plane ,D C Imrie ,N J Thackray ,J W Gary ,Thomas J Mcmahon ,J D Gillies ,G E Richards ,J C Hill ,R D Heuer ,P M Watkins ,T Włodek ,S W O’neale ,G Hanson ,A T Watson ,P Jovanović ,D J.p Dumas ,P R Hobson ,G Bella,T Takeshita,R Sobie,K Kawagoe,C Sbarra,E Ros,A Wagner,F Fabbri,J Letts,S Tarem,E Prebys,S Marcellini,N Wermes,M Fincke-Keeler,M Dittmar,S Komamiya,S Dado,A Montanari,R Ströhmer,P Sherwood,J Kroll,C Schwick,E Duchovni,M Weber,C Leroy,D Strom,S Kluth,E Etzion,M Nozaki,M Mannelli,G Azuelos,M Cooper,P Teixeira-Dias,M Cuffiani,T Mori,D Robinson,J Becker,S Bethke,G T Zorn

doi:10.1016/0370-2693(92)91577-v

A search for doubly charged Higgs production in Z 0 decays

P D Acton , T Tsukamoto + Show 306 more

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https://doi.org/10.1016/0370-2693(92)91577-v

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#OPAL Detector #Mass Range + Show 8 more

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Abstract

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 final 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 2 and for a coupling constant range that extends down to zero.

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