SEARCH FOR SCALAR ELECTRONS AND WINOS AT THE CERN PBARP COLLIDER

被引：5

作者：

AKESSON, T

ALITTI, J

ANSARI, R

ANSORGE, RE

BAGNAIA, P

BAREYRE, P

BLAYLOCK, G

BONAMY, P

BONESINI, M

BORER, K

BUSKULIC, D

CARBONI, G

CAVALLI, D

CAVASINNI, V

CENCI, P

CHOLLET, JC

CONTA, C

COSTA, G

COSTANTINI, F

DELLACQUA, A

DELOTTO, B

DELPRETE, T

DEWOLF, RS

DILELLA, L

EGAN, GF

EINSWEILER, KF

FAYARD, L

FEDERSPIEL, A

FERRARI, R

FRATERNALI, M

FROIDEVAUX, D

FUMAGALLI, G

GAILLARD, JM

GIANOTTI, F

GILDEMEISTER, O

GOSSLING, C

GOGGI, VG

GRUNENDAHL, S

HARA, K

HELLMAN, S

HUGENTOBLER, E

HULTQVIST, K

IACOPINI, E

INCANDELA, J

JAKOBS, K

JENNI, P

KLUGE, EE

KOCH, T

KURZ, N

LAMI, S

机构：

[1] CENS,F-91191 GIF SUR YVETTE,FRANCE

[2] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND

[3] CERN,CH-1211 GENEVA 23,SWITZERLAND

[4] UNIV MILAN,DEPARTIMENTO FIS,I-20133 MILAN,ITALY

[5] NATL INST NUCL PHYS,MILAN,ITALY

[6] UNIV BERN,HOCHENERGIEPHYS LAB,CH-3012 BERN,SWITZERLAND

[7] UNIV PISA,DEPARTIMENTO FIS,I-56100 PISA,ITALY

[8] IST NAZL FIS NUCL,PISA,ITALY

[9] UNIV PERUGIA,DEPARTIMENTO FIS,I-06100 PERUGIA,ITALY

[10] IST NAZL FIS NUCL,PERUGIA,ITALY

[11] UNIV PAVIA,DEPARTIMENTO FIS,I-27100 PAVIA,ITALY

[12] IST NAZL FIS NUCL,PAVIA,ITALY

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

[14] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY

来源：

PHYSICS LETTERS B | 1990年 / 238卷 / 2-4期

关键词：

D O I：

10.1016/0370-2693(90)91763-2

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A search for supersymmetric decays of the Z boson into a pair of scalar electrons or winos (partners of the electron and W boson) has been made with the upgraded UA2 experiment at the CERN pp collider at s = 630 GeV. The analysis of the sample of electron pairs, corresponding to an integrated luminosity of 7.4 pb-1, shows no evidence for such exotic decays. The 90% confidence level lower mass limits obtained exclude selectron masses up to e40 GeV/c2 in the case of a light photino, and wino masses up to 45 GeV/c2 in the case of a light scalar neutrino. © 1990.

引用

页码：442 / 450

页数：9

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