Search For The Minimal Standard Model Higgs-Boson

R M Akers, G. Alexander,J. Allison,K.J. Anderson, S. Arcelli, A. Astbury, D. Axen,G. Azuelos,A.H. Ball,R.J. Barlow, Scott D Barnett, R. Bartoldus,J.R. Batley,G. Beaudoin, A. Beck, G.A. Beck, J K Becker, C. Beeston,T. Behnke,K.W. Bell,G. Bella,P. Bentkowski,P. Berlich,Siegfried Bethke, O. Biebel,I.J. Bloodworth,P. Bock,B. Boden,H.M. Bosch, M. Boutemeur, P. Bright-Thomas,R.M. Brown,A. Buijs, H.J. Burckhart, C. Burgard, P. Capiluppi, R.K. Carnegie,A.A. Carter,J.R. Carter,C.Y. Chang,C E K Charlesworth,D.G. Charlton,S.L. Chu,P.E.L. Clarke,J.C. Clayton, I. Cohen,J.E. Conboy, M. Cooper,M. Coupland, M. Cuffiani,S. Dado, C. Dallapiccola, G.M. Dallavalle,C. Darling,S. De Jong,L.A. del Pozo,Hongkui Deng, M. Dittmar,M.S. Dixit,E. do Couto e Silva,J.E. Duboscq, E. Duchovni, G. Duckeck,I.P. Duerdoth, D.J.P. Dumas,P.A. Elcombe,P.G. Estabrooks,E. Etzion,H.G. Evans,F. Fabbri,B. Fabbro,M. Fierro,M. Fincke-Keeler,H.M. Fischer,R. Folman,D.G. Fong,M. Foucher,H. Fukui,A. Fürtjes,A. Gaidot,J.W. Gary,J. Gascon,N.I. Geddes,C. Geich-Gimbel,S.W. Gensler,F.X. Gentit, T. Geralis, G. Giacomelli,P. Giacomelli,R. Giacomelli, V. Gibson,W.R. Gibson,J.D. Gillies,J. Goldberg,D.M. Gingrich,M.J. Goodrick, W. Gorn,C. Grandi,F.C. Grant, J. Hagemann,G.G. Hanson,M. Hansroul,C.K. Hargrove,P.F. Harrison,J C Hart,P.A. Hart,P.M. Hattersley,M. Hauschild, C.M. Hawkes,E. Heflin,R.J. Hemingway, G. Herten,R.D. Heuer,J.C. Hill, S.J. Hillier,T. Hilse,D.A. Hinshaw,P.R. Hobson,D. Hochman,R.J. Homer,A.K. Honma,R.E. Hughes-Jones,R. Humbert,P. Igo-Kemenes,H. Ihssen,D.C. Imrie, A. Jawahery,P.W. Jeffreys, H. Jeremie,M. Jimack,Matthew Jones,R.W.L. Jones, P. Jovanovic,C. Jui,D. Karlen,K. Kawagoe, T. Kawamoto,R.K. Keeler, R.G. Kellogg,B.W. Kennedy,J. King,S. Kluth,T. Kobayashi,M. Kobel,D.S. Koetke,T.P. Kokott, S. Komamiya,R. Kowalewski,Robert F Howard,J. von Krogh, J. Kroll,P. Kyberd,G.D. Lafferty,H. Lafoux,R. Lahmann,J. Lauber,J.G. Layter, P J Leblanc,P. Le Du,A.M. Lee,E. Lefebvre,M.H. Lehto, D. Lellouch, C. Leroy, J. Letts,L. Levinson,Zheng Li,S.L. Lloyd,F.K. Loebinger,G.D. Long,B. Lorazo,M.J. Losty,X.C. Lou, J. Ludwig,A. Luig, M. Mannelli, S. Marcellini,C. Markus,A.J. Martin,J.P. martin,T. Moshimo,P. Mättig, U. Maur,J A Mckenna,T.J. McMahon,J.R. McNutt, F. Meijers,F.S. Merritt,H. Mes, A. Michelini,R.P. Middleton, G. Mikenberg,J. Mildenberger, D.J. Miller,R. Mir, W. Mohr,C. Moisan,A. Montanari,T. Mori,M. Morii, U. Müller,B. Nellen,H.H. Nguyen,S.W. O'Neale,F.G. Oakham, F. Odorici,H.O. Ogren,C.J. Oram,M.J. Oreglia,S. Orito,J.P. Pansart,P. Paschievici,G.N. Patrick,M.J. Pearce,P. Pfister, J.E. Pilcher, J L Pinfold,D. Pitman,D.E. Plane,P. Poffenberger,B. Poli, T.W. Pritchard,H. Przysiezniak, G. Quast, M.W. Redmond, D.L. Rees,G.E. Richards, M G Rison, S.A. Robins,Dave Robinson,A. Rollnik,J.M. Roney,E. Ros,S. Rossberg,A.M. Rossi,M. Rosvick, P. Routenburg, K. Runge, O. Runolfsson,D.R. Rust,M. Sasaki,C. Sbarra,A.D. Schaile,O. Schaile,F. Scharf,P. Scharff-Hansen,P. Schenk,B. Schmitt,H. von der Schmitt,M. Schröder,H.C. Schultz-Coulon,P. Schütz,M. Schulz, C. Schwick,J. Schwiening,W.G. Scott,M. Settles,T.G. Shears, B.C. Shen,C.H. Shepherd-Themistocleous, P. Sherwood,G.P. Siroli,A. Skillman, A. Skuja,A.M. Smith,Thomas J Smith,G.A. Snow, R. Sobie,R.W. Springer,M. Sproston,A. Stahl,C. Stegmann,K. Stephens,J. Steuerer, R. Ströhmer,D. Strom,A. Syoosi,Hiroshi Takeda,S. Tarem,M. Tecchio, P. Teixeira-Dias,N. Tesch,M.A. Thomson,Emilio Torrentelujan,S. Towers,N.J. Tresilian, T. Tsukamoto, M.F. Turner,D. Van den plas,R. Van Kooten,G.J. VanDalen, G. Vasseur,M G Vincter, A. Wagner, D.L. Wagner,C. Wahl, C.P. Ward, D.R. Ward,J.J. Ward,P.M. Watkins,A.T. Watson,N.K. Watson,P. Weber, P.S. Wells, N. Wermes,B. Wilkens,G.W. Wilson,J.A. Wilson,V-H. Winterer, T. Wlodek,G. Wolf,S A Wotton,T.R. Wyatt,R. Yaari,A. Yeaman,G. Yekutieli,M. Yurko, W. Zeuner,G.T. Zorn

PHYSICS LETTERS B（1994）

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摘要

A search for the Minimal Standard Model Higgs boson (H0) has been performed with data from e+e- collisions collected by the OPAL detector at LEP. The search was made for events of the types e+e- --> (e+e-, mu+mu- or nunu-)H0, H0-->qqBAR and was based on approximately 78 pb-1 of data taken at center-of-mass energies between 88 and 95 GeV in the years 1990-1993. The present study, combined with previous OPAL publications, excludes the existence of a Minimal Standard Model Higgs boson with mass below 56.9 GeV at the 95% confidence level.

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关键词

center of mass,confidence level,particle physics,standard model,higgs boson

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