Search for invisible Higgs boson decays in e+e- collisions at centre-of-mass energies up to 184 GeV

6533b85bfe1ef96bd12bacf2

RESEARCH PRODUCT

Search for invisible Higgs boson decays in e+e- collisions at centre-of-mass energies up to 184 GeV

R Barate D Décamp P Ghez C Goy S Jézéquel J P Lees F Martin E Merle M N Minard J Y Nief B Pietrzyk R Alemany M P Casado M Chmeissani J M Crespo M C Delfino E Fernández M Fernández-bosman L Garrido E Graugès-pous A Juste M Martínez G Merino R Miquel L M Mir P Morawitz A Pacheco I C Park A Pascual I Riu F Sánchez A Colaleo D Creanza M De Palma G Gelao Giuseppe Iaselli G Maggi M Maggi S Nuzzo A Ranieri G Raso F Ruggieri G Selvaggi L Silvestris P Tempesta A Tricomi G Zito X Huang J Lin Q Ouyang T Wang Y Xie R Xu S Xue J Zhang L Zhang W Zhao D Abbaneo U Becker G Boix M Cattaneo V Ciulli G Dissertori H Drevermann Roger W Forty M Frank F Gianotti A W Halley J B Hansen J Harvey P Janot B Jost Ivan Lehraus O Leroy C Loomis P Maley P Mato Adolf G Minten A Moutoussi F Ranjard Luigi Rolandi D Rousseau W D Schlatter M Schmitt O Schneider W Tejessy F Teubert I R Tomalin E Tournefier M Vreeswijk Ziad J Ajaltouni F Badaud G Chazelle O Deschamps S Dessagne A Falvard C Ferdi P Gay C Guicheney P Henrard J Jousset B Michel S Monteil J C Montret D Pallin P Perret F Podlyski J D Hansen J R Hansen P H Hansen B S Nilsson B Rensch A Wäänänen G Daskalakis A Kyriakis C Markou Errietta Simopoulou Anna Vayaki A Blondel J C Brient F P Machefert A Rougé M Swynghedauw R Tanaka Andrea Valassi H L Videau E Focardi G Parrini K Zachariadou R J Cavanaugh M Corden C H Georgiopoulos A Antonelli G Bencivenni G Bologna F Bossi P Campana G Capon F Cerutti V Chiarella P Laurelli G Mannocchi F Murtas G P Murtas L Passalacqua M Pepé-altarelli M Chalmers L Curtis J G Lynch P Negus V O'shea B Räven C Raine D Smith P Teixeira-dias A S Thompson J J Ward O L Buchmüller S Dhamotharan C Geweniger P Hanke G Hansper V Hepp E E Kluge A Putzer J Sommer K Tittel S Werner M Wunsch R Beuselinck David M Binnie W Cameron Peter J Dornan M Girone S M Goodsir N Marinelli E B Martin J Nash J Nowell J K Sedgbeer P Spagnolo E Thomson M D Williams V M Ghete P Girtler E Kneringer D Kuhn G Rudolph A P Betteridge C K Bowdery P G Buck P Colrain G Crawford G Ellis A J Finch F Foster G Hughes R W L Jones N A Robertson M Williams P Van Gemmeren I Giehl F Hölldorfer C Hoffmann K Jakobs K Kleinknecht M Kröcker H A Nürnberger G Quast B Renk E Rohne H G Sander S Schmeling H W Wachsmuth C Zeitnitz T Ziegler Jean-jacques Aubert C Benchouk A Bonissent J Carr P Coyle A Ealet D Fouchez F Motsch P Payre M Talby M Thulasidas A Tilquin M Aleppo M Antonelli F Ragusa R Berlich V Büscher H Dietl G Ganis K Hüttmann G Lütjens C Mannert W Männer H G Moser S Schael Ronald Settles H C J Seywerd H Stenzel W Wiedenmann G Wolf J Boucrot O Callot S Chen M Davier L Duflot J F Grivaz P Heusse A Jacholkowska M Kado D W Kim J Lefrançois L Serin J J Veillet I Videau J B De Vivie De Régie D Zerwas P Azzurri G Bagliesi S Bettarini T Boccali C Bozzi G Calderini R Dell'orso R Fantechi I Ferrante A Giassi A Gregorio F Ligabue A Lusiani P S Marrocchesi A Messineo Fabrizio Palla G Rizzo G Sanguinetti A Sciabà G Sguazzoni Roberto Tenchini C Vannini A Venturi P G Verdini G A Blair J T Chambers J Coles G D Cowan M G Green D E Hutchcroft L T Jones T Medcalf J A Strong J H Von Wimmersperg-töller David R Botterill R W Clifft T R Edgecock P R Norton J C Thompson A E Wright B Bloch-devaux P Colas B Fabbro G Faïf E Lançon M C Lemaire E Locci P Pérez H Przysiezniak J Rander J F Renardy A Rosowsky A. Trabelsi B Tuchming B Vallage S N Black J H Dann H Y Kim N P Konstantinidis A M Litke M A Mcneil G Taylor C N Booth S L Cartwright F Combley P N Hodgson M S Kelly M H Lehto L F Thompson K Affholderbach A Böhrer S Brandt J Foss Claus Grupen A Misiejuk G Prange U Sieler L Smolik F Stephan G Giannini B Gobbo J Pütz J E Rothberg S R Wasserbaech R W Williams S R Armstrong E Charles P Elmer D P S Ferguson Y Gao S González T C Greening O J Hayes H Hu S Jin G Mamier P A Mcnamara J M Nachtman J Nielsen W Orejudos Y B Pan Y Saadi I J Scott M Vogt J Walsh Sau Lan Wu X Wu G Zobernig

subject

Physics Nuclear and High Energy Physics Aleph Particle physics [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex]010308 nuclear & particles physics Higgs boson Electron–positron annihilation High Energy Physics::Phenomenology LEP ALEPH Experiment; LEP; Higgs boson 01 natural sciences Standard Model Nuclear physics ALEPH Experiment 0103 physical sciences Higgs boson [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]High Energy Physics::Experiment 010306 general physics ALEPH experiment Particle Physics - Experiment

description

In a data sample of 78.3 pb(-1) collected in 1996 and 1997 by the ALEPH detector at centre-of-mass energies from 161 to 184 GeV, invisible decays of a Higgs boson have been searched for in the reaction e(+)e(-) --> hZ, where the Z can decay into e(+)e(-), mu(+) mu(-) or . No evidence for a signal is found and limits on the production cross section are derived as a function of the Higgs boson mass. These results are combined with those obtained in an update of the analyses of the ALEPH data taken at LEP 1. For a production cross section equal to that of the minimal standard model Higgs boson, masses below 80 GeV/c(2) are excluded at 95% C.L. (C) 1999 Elsevier Science B.V. All rights reserved.

year	journal	country	edition	language
1999-01-01

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