Search for sleptons in e(+)e(-) collisions at centre-of-mass energies of 161 GeV and 172 GeV

被引：17

作者：

Barate, R

Buskulic, D

Decamp, D

Ghez, P

Goy, C

Lees, JP

Lucotte, A

Minard, MN

Nief, JY

Pietrzyk, B

Casado, MP

Chmeissani, M

Comas, P

Crespo, JM

Delfino, M

Fernandez, E

FernandezBosman, M

Garrido, L

Juste, A

Martinez, M

Miquel, R

Mir, LM

Orteu, S

Padilla, C

Park, IC

Pascual, A

Perlas, JA

Riu, I

Sanchez, F

Teubert, F

Colaleo, A

Creanza, D

dePalma, M

Gelao, G

Iaselli, G

Maggi, G

Maggi, M

Marinelli, N

Nuzzo, S

Ranieri, A

Raso, G

Ruggieri, F

Selvaggi, G

Silvestris, L

Tempesta, P

Tricomi, A

Zito, G

Huang, X

Lin, J

Ouyang, Q

机构：

[1] UNIV AUTONOMA BARCELONA, INST FIS ALTES ENERGIES, BELLATERRA 08193, BARCELONA, SPAIN

[2] IST NAZL FIS NUCL, DIPARTIMENTO FIS, 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, PHYS CORPUSCULAIRE LAB, CNRS, IN2P3, F-63177 AUBIERE, FRANCE

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

[7] DEMOKRITOS NATL CTR SCI RES, GR-15310 ATHENS, GREECE

[8] ECOLE POLYTECH, LAB PHYS NUCL & HAUTES ENERGIES, CNRS, IN2P3, F-91128 PALAISEAU, FRANCE

[9] UNIV FLORENCE, DIPARTIMENTO FIS, IST NAZL FIS NUCL, I-50125 FLORENCE, ITALY

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

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

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

[13] UNIV HEIDELBERG, INST HOCHENERGIEPHYS, D-69120 HEIDELBERG, GERMANY

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

[15] UNIV INNSBRUCK, INST EXPT PHYS, A-6020 INNSBRUCK, AUSTRIA

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

[17] UNIV MAINZ, INST PHYS, D-55099 MAINZ, GERMANY

[18] FAC SCI LUMINY, CNRS, IN2P3, CTR PHYS PARTICULES, F-13288 MARSEILLE, FRANCE

[19] UNIV MILAN, DIPARTIMENTO FIS, I-20133 MILAN, ITALY

[20] IST NAZL FIS NUCL, I-20133 MILAN, ITALY

[21] MAX PLANCK INST PHYS & ASTROPHYS, WERNER HEISENBERG INST, D-80805 MUNICH, GERMANY

[22] UNIV PARIS 11, ACCELERATEUR LINEAIRE LAB, CNRS, IN2P3, F-91405 ORSAY, FRANCE

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

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

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

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

[27] CTR ETUD SACLAY, CEA, SERV PHYS PARTICULES, DAPNIA, F-91191 GIF SUR YVETTE, FRANCE

[28] UNIV CALIF SANTA CRUZ, INST PARTICLE PHYS, SANTA CRUZ, CA 95064 USA

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

[30] UNIV GESAMTHSCH SIEGEN, FACHBEREICH PHYS, D-57068 SIEGEN, GERMANY

[31] UNIV TRIESTE, DIPARTMENTO FIS, I-34127 TRIESTE, ITALY

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

[33] UNIV WASHINGTON, SEATTLE, WA 98195 USA

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

[35] KANGNUNG NATL UNIV, KANGNUNG, SOUTH KOREA

[36] IST NAZL FIS NUCL, DIPARTIMENTO FIS, I-95129 CATANIA, ITALY

[37] UNIV TURIN, IST FIS GEN, TURIN, ITALY

[38] CNR, IST COSMOGEOFIS, I-10133 TURIN, ITALY

[39] UNIV BARCELONA, E-08028 BARCELONA, SPAIN

来源：

PHYSICS LETTERS B | 1997年 / 407卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(97)00892-7

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The data recorded by the ALEPH experiment at LEP at centre-of-mass energies of 161 GeV and 172 GeV were analysed to search for sleptons, the supersymmetric partners of leptons. No evidence for the production of these particles was found. The number of candidates observed is consistent with the background expected from four-fermion processes and gamma gamma-interactions. Improved mass limits at 95% C.L. are reported. (C) 1997 Published by Elsevier Science B.V.

引用

页码：377 / 388

页数：12

共 50 条

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