Search for charged Higgs bosons in e+e- collisions at centre-of-mass energies between 130 and 183 GeV

被引:9
作者
Acciarri, M [1 ]
Adriani, O
Aguilar-Benitez, M
Ahlen, S
Alcaraz, J
Alemanni, G
Allaby, J
Aloisio, A
Alviggi, MG
Ambrosi, G
Anderhub, H
Andreev, VP
Angelescu, T
Anselmo, F
Arefiev, A
Azemoon, T
Aziz, T
Bagnaia, P
Baksay, L
Banerjee, S
Banerjee, S
Banicz, K
Barczyk, A
Barillère, R
Barone, L
Bartalini, P
Baschirotto, A
Basile, M
Battiston, R
Bay, A
Becattini, F
Becker, U
Behner, F
Berdugo, J
Berges, P
Bertucci, B
Betev, BL
Bhattacharya, S
Biasini, M
Biland, A
Bilei, GM
Blaising, JJ
Blyth, SC
Bobbink, GJ
Bock, R
Böhm, A
Boldizsar, L
Borgia, B
Bourilkov, D
Bourquin, M
机构
[1] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany
[2] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany
[3] Univ Amsterdam, NIKEF, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands
[4] Univ Michigan, Ann Arbor, MI 48109 USA
[5] Lab Annecy Le Vieux Phys Particules, F-74941 Annecy Le Vieux, France
[6] Johns Hopkins Univ, Baltimore, MD 21218 USA
[7] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland
[8] Louisiana State Univ, Baton Rouge, LA 70803 USA
[9] Inst High Energy Phys, Beijing 100039, Peoples R China
[10] Humboldt Univ, D-10099 Berlin, Germany
[11] Univ Bologna, I-40126 Bologna, Italy
[12] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy
[13] Ist Nazl Fis Nucl, Sez Leece, I-73100 Lecce, Italy
[14] Univ Leece, I-73100 Lecce, Italy
[15] Los Alamos Natl Lab, Los Alamos, NM 87544 USA
[16] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France
[17] CIEMAT, Ctr Invest Energet Medioambientales & Tecnol, E-28040 Madrid, Spain
[18] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy
[19] Inst Theoret & Expt Phys, ITEP, Moscow 117259, Russia
[20] Univ Naples Federico II, I-80125 Naples, Italy
[21] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy
[22] Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus
[23] Catholic Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands
[24] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands
[25] CALTECH, Pasadena, CA 91125 USA
[26] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy
[27] Univ Perugia, I-06100 Perugia, Italy
[28] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[29] Princeton Univ, Princeton, NJ 08544 USA
[30] Univ Roma La Sapienza, I-00185 Rome, Italy
[31] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy
[32] Inst Phys Nucl, St Petersburg, Russia
[33] Univ Salerno, I-84100 Salerno, Italy
[34] Ist Nazl Fis Nucl, I-84100 Salerno, Italy
[35] Univ Calif San Diego, La Jolla, CA 92093 USA
[36] Univ Santiago, Dept Fis Particulas Elementales, E-15706 Santiago, Spain
[37] Bulgarian Acad Sci, Cent Lab Mechatron & Instrumentat, BU-1113 Sofia, Bulgaria
[38] Ctr High Energy Phys, Adv Inst Sci & Technol, Taejon 305701, South Korea
[39] Univ Alabama, University, AL 35486 USA
[40] Univ Utrecht, NL-3584 CB Utrecht, Netherlands
[41] NIKHEF H, NL-3584 CB Utrecht, Netherlands
[42] Purdue Univ, W Lafayette, IN 47907 USA
[43] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
[44] DESY, Inst Hochenergiephys, D-15738 Zeuthen, Germany
[45] Swiss Fed Inst Technol, CH-8093 Zurich, Switzerland
[46] Univ Hamburg, D-22761 Hamburg, Germany
[47] Natl Cent Univ, Chungli 32054, Taiwan
[48] Natl Tsing Hua Univ, Dept Phys, Hsinchu, Taiwan
关键词
D O I
10.1016/S0370-2693(98)01543-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A search for pair-produced charged Higgs bosons is performed with the L3 detector at LEP using data collected at centre-of-mass energies from 130 to 183 GeV, corresponding to an integrated luminosity of 88.3 pb(-1). The Higgs decays into a charm and a strange quark or into a tau lepton and its associated neutrino are considered. The observed candidates are consistent with the expectations from Standard Model background processes. A lower limit of 57.5 GeV on the charged Higgs mass is derived at 95% CL, independent of the decay branching ratio Br(H+/- --> tau nu). (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:368 / 377
页数:10
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