SEARCH FOR A VERY LIGHT HIGGS BOSON IN Z-DECAYS

被引：42

作者：

DECAMP, D

DESCHIZEAUX, B

GOY, C

LEES, JP

MINARD, MN

CRESPO, JM

DELFINO, M

FERNANDEZ, E

GARRIDO, L

MATO, P

MIQUEL, R

MIR, LM

ORTEU, S

PACHECO, A

PERLAS, JA

TUBAU, E

CATANESI, MG

DEPALMA, M

FARILLA, A

IASELLI, G

MAGGI, G

NATALI, S

NUZZO, S

RANIERI, A

RASO, G

ROMANO, F

RUGGIERI, F

SELVAGGI, G

SILVESTRIS, L

TEMPESTA, P

ZITO, G

GAO, Y

HU, H

HUANG, D

JIN, S

LIN, J

RUAN, T

WANG, T

WU, W

XIE, Y

XU, D

XU, R

ZHANG, J

ZHANG, Z

ZHAO, W

ALBRECHT, H

ATWOOD, WB

BIRD, F

BLUCHER, E

BOSSI, F

机构：

[1] UNIV AUTONOMA BARCELONA,FIS ALTAS ENERGIAS LAB,E-08193 BARCELONA,SPAIN

[2] UNIV BARI,IST NAZL FIS NUCL,I-70126 BARI,ITALY

[3] UNIV BARI,DEPARTIMENTO FIS,I-70126 BARI,ITALY

[4] CHINESE ACAD SCI,INST HIGH ENERGY PHYS,BEIJING,PEOPLES R CHINA

[5] CERN,EUROPEAN LAB PARTICLE PHYS,CH-1211 GENEVA 23,SWITZERLAND

[6] UNIV CLERMONT FERRAND,PHYS CORPUSCULAIRE LAB,CNRS,INST NATL PHYS NUCL & PHYS PARTICULES,F-63177 CLERMONT FERRAND,FRANCE

[7] NIELS BOHR INST,DK-2100 COPENHAGEN,DENMARK

[8] DEMOCRITOS NUCL RES CTR,ATHENS,GREECE

[9] ECOLE POLYTECH,PHYS NUCL & HAUTES ENERGIES LAB,CNRS,F-91128 PALAISEAU,FRANCE

[10] UNIV EDINBURGH,DEPT PHYS,EDINBURGH EH9 3JZ,MIDLOTHIAN,SCOTLAND

[11] UNIV FLORENCE,DEPARTIMENTO FIS,I-50125 FLORENCE,ITALY

[12] IST NAZL FIS NUCL,I-50125 FLORENCE,ITALY

[13] FLORIDA STATE UNIV,SUPERCOMP COMPUTAT RES INST,TALLAHASSEE,FL 32306

[14] FLORIDA STATE UNIV,DEPT PHYS,TALLAHASSEE,FL 32306

[15] IST NAZL FIS NUCL,NAZL LAB FIZ,I-00044 FRASCATI,ITALY

[16] UNIV GLASGOW,DEPT PHYS & ASTRON,GLASGOW G12 8QQ,SCOTLAND

[17] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,W-6900 HEIDELBERG,GERMANY

[18] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT PHYS,LONDON SW7 2BZ,ENGLAND

[19] UNIV INNSBRUCK,INST EXPTL PHYS,A-6020 INNSBRUCK,AUSTRIA

[20] UNIV LANCASTER,DEPT PHYS,LANCASTER LA1 4YB,ENGLAND

[21] UNIV MAINZ,INST PHYS,W-6500 MAINZ,GERMANY

[22] FAC SCI LUMINY,CTR PHYS PARTICULES,CNRS,INST NATL PHYS NUCL & PHYS PARTICULES,F-13288 MARSEILLE,FRANCE

[23] MAX PLANCK INST PHYS & ASTROPHYS,WERNER HEISENBERG INST PHYS,W-8000 MUNICH 40,GERMANY

[24] UNIV PARIS 11,ACCELERATEUR LINEAIRE,CNRS,INST NATL PHYS NUCL & PHYS PARTICULES,F-91405 ORSAY,FRANCE

[25] UNIV PISA,IST NAZL FIS NUCL,DIPARTIMENTO FIS,I-56010 PISA,ITALY

[26] SCUOLA NORMALE SUPER PISA,I-56010 PISA,ITALY

[27] UNIV LONDON,ROYAL HOLLOWAY & BEDFORD NEW COLL,DEPT PHYS,SURREY TW20 0EX,ENGLAND

[28] RUTHERFORD APPLETON LAB,DEPT PARTICLE PHYS,DIDCOT OX11 0QX,OXON,ENGLAND

[29] CENS,DEPT PHYS PARTICULES ELEMENTAIRES,F-91191 GIF SUR YVETTE,FRANCE

[30] UNIV SHEFFIELD,DEPT PHYS,SHEFFIELD S3 7RH,S YORKSHIRE,ENGLAND

[31] UNIV SIEGEN,FACHBEREICH PHYS,W-5900 SIEGEN,GERMANY

[32] UNIV TRIESTE,DEPARTIMENTO FIS,I-34127 TRIESTE,ITALY

[33] IST NAZL FIS NUCL,I-34127 TRIESTE,ITALY

[34] UNIV WISCONSIN,DEPT PHYS,MADISON,WI 53706

来源：

PHYSICS LETTERS B | 1990年 / 245卷 / 02期

基金：

美国国家科学基金会; 中国国家自然科学基金;

关键词：

D O I：

10.1016/0370-2693(90)90148-Y

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search has been made for a very light Higgs boson in the processes e+e- → e+e-H and e+e- →μ+μ-H using data collected by ALEPH at the LEP e+e- collider at centre of mass energies close to the Z peak. The mass range between 0 and 57 MeV is unambigously excluded at the 95% confidence level. If we combine this with our previously published analysis, the complete range from 0 to 24 GeV is excluded at 95% CL. The search is extended to light Higgs bosons of the minimal supersymmetric standard model, with the result that all possibilities of coupling are excluded for Higgs masses below 3 GeV. © 1990.

引用

页码：289 / 297

页数：9

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