SEARCH FOR NEW GAUGE BOSONS DECAYING INTO DIELECTRONS IN (P)OVER-BAR-P COLLISIONS AT ROOT-S=1.8 TEV

被引：28

作者：

ABE, F

ALBROW, MG

AMIDEI, D

ANTOS, J

ANWAYWIESE, C

APOLLINARI, G

ARETI, H

ATAC, M

AUCHINCLOSS, P

AZFAR, F

AZZI, P

BACCHETTA, N

BADGETT, W

BAILEY, MW

BAO, J

DEBARBARO, P

BARBAROGALTIERI, A

BARNES, VE

BARNETT, BA

BARTALINI, D

BENLLOCH, J

BENSINGER, J

BENTON, D

BERETVAS, A

BERGE, JP

BERTOLUCCI, S

BHATTI, A

BIERY, K

BINKLEY, M

BIRD, F

BISELLO, D

BLAIR, RE

BLOCKER, C

BODEK, A

BOLOGNESI, V

BORTOLETTO, D

BOSWELL, C

BOULOS, T

BRANDENBURG, G

BUCKLEYGEER, E

BUDD, HS

BURKETT, K

BUSETTO, G

BYONWAGNER, A

BYRUM, KL

CAMMERATA, J

CAMPAGNARI, C

CAMPBELL, M

CANER, A

CARITHERS, W

机构：

[1] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY

[2] BRANDEIS UNIV,WALTHAM,MA 02254

[3] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[4] UNIV CHICAGO,CHICAGO,IL 60637

[5] DUKE UNIV,DURHAM,NC 27708

[6] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

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

[8] HARVARD UNIV,CAMBRIDGE,MA 02138

[9] UNIV ILLINOIS,URBANA,IL 61801

[10] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL,PQ H3A 2T8,CANADA

[11] UNIV TORONTO,TORONTO,ON M5S 1A7,CANADA

[12] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[13] KEK NAT LAB HIGH ENERGY PHYS,TSUKUBA,IBARAKI 305,JAPAN

[14] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[15] MIT,CAMBRIDGE,MA 02139

[16] UNIV MICHIGAN,ANN ARBOR,MI 48109

[17] MICHIGAN STATE UNIV,E LANSING,MI 48824

[18] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131

[19] OSAKA CITY UNIV,OSAKA 588,JAPAN

[20] UNIV PADUA,INST NAZL FIS NUCL,I-35131 PADUA,ITALY

[21] UNIV PENN,PHILADELPHIA,PA 19104

[22] UNIV PITTSBURGH,PITTSBURGH,PA 15260

[23] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY

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

[25] PURDUE UNIV,W LAFAYETTE,IN 47907

[26] ROCKEFELLER UNIV,NEW YORK,NY 10021

[27] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

[28] ACAD SINICA,TAIPEI 11529,TAIWAN

[29] SUPERCONDUCTING SUPER COLLIDER LAB,DALLAS,TX 75237

[30] TEXAS A&M UNIV,COLLEGE STN,TX 77843

[31] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN

[32] TUFTS UNIV,MEDFORD,MA 02155

[33] UNIV WISCONSIN,MADISON,WI 53706

[34] YALE UNIV,NEW HAVEN,CT 06511

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.51.R949

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have searched for heavy neutral gauge bosons (Z') in p̄p collisions at s=1.8 TeV. The data were obtained using the CDF detector during the 1992-1993 run corresponding to an integrated luminosity of 19.7±0.7 pb-1. We present a 95% confidence level upper limit on the production cross section times the branching ratio of Z' decaying into dielectrons as a function of Z' mass. Assuming standard model coupling strengths, we exclude a Z' with a mass less than 505 GeV/c2. We also present lower mass limits for Z' bosons from E6 models and the alternative left-right model. © 1995 The American Physical Society

引用

页码：R949 / R953

页数：5

共 28 条

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