Search for a Higgs boson decaying into two photons in e+e- interactions at √s=189 GeV

被引：13

作者：

Acciarri, M

Achard, P

Adriani, O

Aguilar-Benitez, M

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

Bajo, A

Baksay, L

Balandras, A

Baldew, SV

Banerjee, S

Barczyk, A

Barillère, R

Bartalini, P

Basile, M

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Bellucci, L

Berbeco, R

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Bhattacharya, S

Biasini, M

Biland, A

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bourilkov, D

Bourquin, M

机构：

[1] Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy

[2] Ist Nazl Fis Nucl, Sez Napoli, I-80125 Naples, Italy

[3] Univ Naples Federico II, I-80125 Naples, Italy

[4] Inst Theoret & Expt Phys, Moscow 117259, Russia

[5] Univ Cyprus, Dept Nat Sci, Nicosia, Cyprus

[6] Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands

[7] Natl Inst Nucl Phys & High Energy Phys, NL-6525 ED Nijmegen, Netherlands

[8] CALTECH, Pasadena, CA 91125 USA

[9] Ist Nazl Fis Nucl, Sez Perugia, I-06100 Perugia, Italy

[10] Univ Perugia, I-06100 Perugia, Italy

[11] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[12] Princeton Univ, Princeton, NJ 08544 USA

[13] Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[14] Univ Roma La Sapienza, I-00185 Rome, Italy

[15] Russian Acad Sci, Inst Nucl Phys, St Petersburg, Russia

[16] Univ Potenza, I-85100 Potenza, Italy

[17] Univ Salerno, I-84100 Salerno, Italy

[18] Ist Nazl Fis Nucl, I-84100 Salerno, Italy

[19] Univ Calif San Diego, La Jolla, CA 92093 USA

[20] Univ Santiago, Dept Fis Particulas Elementales, E-15706 Santiago, Spain

[21] Bulgarian Acad Sci, Cent Lab Mechatron & Instrumentat, BU-1113 Sofia, Bulgaria

[22] Rhein Westfal TH Aachen, Inst Phys 1, D-52056 Aachen, Germany

[23] Rhein Westfal TH Aachen, Inst Phys 2, D-52056 Aachen, Germany

[24] NIKHEF H, NL-1009 DB Amsterdam, Netherlands

[25] Univ Amsterdam, NL-1009 DB Amsterdam, Netherlands

[26] Univ Michigan, Ann Arbor, MI 48109 USA

[27] Lab Annecy Le Vieux Phys Particules, CNRS, IN2P3, F-74941 Annecy Le Vieux, France

[28] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[29] Louisiana State Univ, Baton Rouge, LA 70803 USA

[30] Inst High Energy Phys, Beijing 100039, Peoples R China

[31] Humboldt Univ, D-10099 Berlin, Germany

[32] Univ Bologna, I-40126 Bologna, Italy

[33] Ist Nazl Fis Nucl, Sez Bologna, I-40126 Bologna, Italy

[34] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

[35] Northeastern Univ, Boston, MA 02115 USA

[36] Inst Atom Phys, R-76900 Bucharest, Romania

[37] Univ Bucharest, R-76900 Bucharest, Romania

[38] Hungarian Acad Sci, Cent Res Inst Phys, H-1525 Budapest 114, Hungary

[39] MIT, Cambridge, MA 02139 USA

[40] Univ Debrecen, ATOMKI, H-4010 Debrecen, Hungary

[41] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy

[42] Univ Florence, I-50125 Florence, Italy

[43] CERN, European Lab Particle Phys, CH-1211 Geneva 23, Switzerland

[44] World Lab, FBLJA Project, CH-1211 Geneva 23, Switzerland

[45] Univ Geneva, CH-1211 Geneva 4, Switzerland

[46] Chinese Univ Sci & Technol, USTC, Hefei 230029, Anhui, Peoples R China

[47] SEFT, Res Inst High Energy Phys, SF-00014 Helsinki, Finland

[48] Univ Lausanne, CH-1015 Lausanne, Switzerland

[49] Ist Nazl Fis Nucl, Sez Lecce, I-73100 Lecce, Italy

[50] Univ Lecce, I-73100 Lecce, Italy

来源：

PHYSICS LETTERS B | 2000年 / 489卷 / 1-2期

关键词：

D O I：

10.1016/S0370-2693(00)00955-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search is performed for a Higgs boson produced in association with a Z boson and decaying into two photons, using the L3 data collected at LEP at a centre-of-mass energy of 189 GeV, All decay modes of the Z are considered. No signal is observed and limits on the branching fraction of the Higgs boson decay into two photons as a function of the Higgs mass are derived assuming a Standard model production rate. A lower limit on the mass of a fermiophobic Higgs is set at 94.9 GeV at 95% confidence level. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：115 / 124

页数：10

共 50 条

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Barberio, E
Barlow, RJ
Batley, JR
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Ruggieri, F
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