Search for a Higgs boson decaying into two photons at LEP

被引：28

作者：

Achard, P ^{[1
]}

Adriani, O

Aguilar-Benitez, M

Alcaraz, J

Alemanni, G

Allaby, J

Aloisio, A

Alviggi, MG

Anderhub, H

Andreev, VP

Anselmo, F

Arefiev, A

Azemoon, T

Aziz, T

Bagnaia, P

Bajo, A

Baksay, G

Baksay, L

Baldew, SV

Banerjee, S

Barczyk, A

Barillère, R

Bartalini, P

Basile, M

Batalova, N

Battiston, R

Bay, A

Becattini, F

Becker, U

Behner, F

Bellucci, L

Berbeco, R

Berdugo, J

Berges, P

Bertucci, B

Betev, BL

Biasini, M

Biglietti, M

Biland, A

Blaising, JJ

Blyth, SC

Bobbink, GJ

Böhm, A

Boldizsar, L

Borgia, B

Bottai, S

Bourilkov, D

Bourquin, M

Braccini, S

机构：

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

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

[3] Rhein Westfal TH Aachen, Inst Phys 3, D-52056 Aachen, Germany

[4] NIKHEF, Natl Inst High Energy Phys, NL-1009 DB Amsterdam, Netherlands

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

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

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

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

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

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

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

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

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

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

[15] Northeastern Univ, Boston, MA 02115 USA

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

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

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

[19] MIT, Cambridge, MA 02139 USA

[20] Panjab Univ, Chandigarh 160014, India

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

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

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

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

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

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

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

[28] Univ Lyon 1, IN2P3 CNRS, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[29] CIEMAT, E-28040 Madrid, Spain

[30] Florida Inst Technol, Melbourne, FL 32901 USA

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

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

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

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

[35] Univ Cyprus, Dept Phys, Nicosia, Cyprus

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

[37] NIKEF, NL-6525 ED Nijmegen, Netherlands

[38] CALTECH, Pasadena, CA 91125 USA

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

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

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

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

[43] Ist Nazl Fis Nucl, Sez Napoli, I-85100 Potenza, Italy

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

[45] Princeton Univ, Princeton, NJ 08544 USA

[46] Univ Calif Riverside, Riverside, CA 92521 USA

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

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

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

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

来源：

PHYSICS LETTERS B | 2002年 / 534卷 / 1-4期

关键词：

D O I：

10.1016/S0370-2693(02)01572-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A Higgs particle produced in association with a Z boson and decaying into two photons is searched for in the data collected by the L3 experiment at LEP. All possible decay modes of the Z boson are investigated. No signal is observed in 447.5 pb(-1) of data recorded at centre-of-mass energies from 192 GeV up to 209 GeV. Limits on the branching fraction of the Higgs boson decay into two photons as a function of the Higgs mass are derived. A lower limit on the mass of a fermiophobic Higgs boson is set at 105.4 GeV at 95% confidence level. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：28 / 38

页数：11

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