SEARCH FOR SUPERSYMMETRIC PARTICLES WITH R-PARITY VIOLATION IN Z-DECAYS

被引:21
作者
BUSKULIC, D
CASPER, D
DEBONIS, I
DECAMP, D
GHEZ, P
GOY, C
LEES, JP
MINARD, MN
ODIER, P
PIETRZYK, B
ARIZTIZABAL, F
CHMEISSANI, M
CRESPO, JM
EFTHYMIOPOULOS, I
FERNANDEZ, E
FERNANDEZBOSMAN, M
GAITAN, V
GARRIDO, LI
MARTINEZ, M
ORTEU, S
PACHECO, A
PADILLA, C
PALLA, F
PASCUAL, A
PERLAS, JA
SANCHEZ, F
TEUBERT, F
CREANZA, D
DEPALMA, M
FARILLA, A
IASELLI, G
MAGGI, G
MARINELLI, N
NATALI, S
NUZZO, S
RANIERI, A
RASO, G
ROMANO, F
RUGGIERI, F
SELVAGGI, G
SILVESTRIS, L
TEMPESTA, P
ZITO, G
HUANG, X
LIN, J
OUYANG, Q
WANG, T
XIE, Y
XU, R
XUE, S
机构
[1] UNIV AUTONOMA BARCELONA, INST FIS ALTES ENERGIES, E-08193 BARCELONA, SPAIN
[2] IST NAZL FIS NUCL, DIPARTIMENTO FIS, SEZ BARI, I-70126 BARI, ITALY
[3] ACAD SINICA, INST HIGH ENERGY PHYS, BEIJING, PEOPLES R CHINA
[4] CERN, EUROPEAN LAB PARTICLE PHYS, CH-1211 GENEVA 23, SWITZERLAND
[5] UNIV CLERMONT FERRAND, INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, PHYS CORPUSCULAIRE LAB, CLERMONT FERRAND, FRANCE
[6] NIELS BOHR INST, DK-2100 COPENHAGEN, DENMARK
[7] NUCL RES CTR, ATHENS, GREECE
[8] ECOLE POLYTECH, IN2P3, CNRS, PHYS NUCL & HAUTES ENERGIES LAB, F-91128 PALAISEAU, FRANCE
[9] UNIV EDINBURGH, DEPT PHYS, EDINBURGH EH9 3JZ, MIDLOTHIAN, SCOTLAND
[10] UNIV FLORENCE, IST NAZL FIS NUCL, DIPARTIMENTO FIS, SEZ FIRENZE, I-50125 FLORENCE, ITALY
[11] FLORIDA STATE UNIV, SUPERCOMP COMPUTAT RES INST, TALLAHASSEE, FL 32306 USA
[12] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY
[13] UNIV GLASGOW, DEPT PHYS & ASTRON, GLASGOW G12 8QQ, LANARK, SCOTLAND
[14] UNIV HEIDELBERG, INST HOCHENERGIEPHYS, D-69120 HEIDELBERG, GERMANY
[15] UNIV LONDON IMPERIAL COLL SCI & TECHNOL, DEPT PHYS, LONDON SW7 2BZ, ENGLAND
[16] UNIV INNSBRUCK, INST EXPTL PHYS, A-6020 INNSBRUCK, AUSTRIA
[17] UNIV LANCASTER, DEPT PHYS, LANCASTER LA1 4YB, ENGLAND
[18] UNIV MAINZ, INST PHYS, D-55099 MAINZ, GERMANY
[19] FAC SCI LUMINY, CTR PHYS PARTICLES, INST NATL PHYS NUCL & PHYS PARTICULES, CNRS, F-13288 MARSEILLE, FRANCE
[20] MAX PLANCK INST PHYS & ASTROPHYS, WERNER HEISENBERG INST, D-80805 MUNICH, GERMANY
[21] UNIV PARIS 11, ACCELERATEUR LINEAIRE LAB, IN2P3, CNRS, F-91405 ORSAY, FRANCE
[22] UNIV PISA, IST NAZL FIS NUCL, DIPARTIMENTO FIS, SEZ PISA, I-56010 PISA, ITALY
[23] SCUOLA NORMALE SUPER PISA, I-56010 PISA, ITALY
[24] UNIV LONDON, ROYAL HOLLOWAY & BEDFORD NEW COLL, DEPT PHYS, SURREY TW20 0EX, ENGLAND
[25] RUTHERFORD APPLETON LAB, DEPT PARTICLE PHYS, DIDCOT OX11 0QX, OXON, ENGLAND
[26] CEA SACLAY, DAPNIA, SERV PHYS PARTICLES, F-91191 GIF SUR YVETTE, FRANCE
[27] UNIV CALIF SANTA CRUZ, INST PARTICLE PHYS, SANTA CRUZ, CA 95064 USA
[28] UNIV SHEFFIELD, DEPT PHYS, SHEFFIELD S3 7RH, S YORKSHIRE, ENGLAND
[29] UNIV SIEGEN, FACHBEREICH PHYS, D-57068 SIEGEN, GERMANY
[30] UNIV WASHINGTON, SEATTLE, WA 98195 USA
[31] UNIV WISCONSIN, DEPT PHYS, MADISON, WI 53706 USA
[32] UNIV TRIESTE, DIPARTMENTO FIS, I-34127 TRIESTE, ITALY
[33] IST NAZL FIS NUCL, SEZ TRIESTE, I-34127 TRIESTE, ITALY
[34] UNIV TURIN, IST FIS GEN, TURIN, ITALY
[35] CNR, IST COSMOGEOFIS, I-10133 TURIN, ITALY
[36] KANGNUNG NATL UNIV, KANGNUNG, SOUTH KOREA
[37] UNIV SASSARI, IST MATEMAT & FIS, I-07100 SASSARI, ITALY
关键词
D O I
10.1016/0370-2693(95)00257-L
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Searches for supersymmetric particles produced in e(+)e(-) interactions at the Z peak have been performed under the assumptions that R-parity is not conserved, that the dominant R-parity violating coupling involves only leptonic fields, and that the lifetime of the lightest supersymmetric particle can be neglected. In a data sample collected by the ALEPH detector at LEP up to 1993, and corresponding to almost two million hadronic Z decays, no signal was observed. As a result, supersymmetric particle masses and couplings are at least as well constrained as under the usual assumption of R-parity conservation.
引用
收藏
页码:238 / 252
页数:15
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