Search for new gauge bosons decaying into dileptons in (p)over-bar-p collisions at root s=1.8 TeV

被引:166
作者
Abe, F
Akimoto, H
Akopian, A
Albrow, MG
Amendolia, SR
Amidei, D
Antos, J
Aota, S
Apollinari, G
Asakawa, T
Ashmanskas, W
Atac, M
Azfar, F
AzziBacchetta, P
Bacchetta, N
Badgett, W
Bagdasarov, B
Bailey, MW
Bao, J
deBarbaro, P
BarbaroGaltieri, A
Barnes, VE
Barnett, BA
Barone, M
Barzi, E
Bauer, G
Baumann, T
Bedeschi, F
Behrends, S
Belforte, S
Bellettini, G
Bellinger, J
Benjamin, D
Benlloch, J
Bensinger, J
Benton, D
Beretvas, A
Berge, JP
Berryhill, J
Bertolucci, S
Bevensee, B
Bhatti, A
Biery, K
Binkley, M
Bisello, D
Blair, RE
Blocker, C
Bodek, A
Bokhari, W
Bolognesi, V
机构
[1] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40127 BOLOGNA,ITALY
[2] BRANDEIS UNIV,WALTHAM,MA 02264
[3] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024
[4] UNIV CHICAGO,CHICAGO,IL 60638
[5] DUKE UNIV,DURHAM,NC 28708
[6] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510
[7] UNIV FLORIDA,GAINESVILLE,FL 33611
[8] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY
[9] UNIV GENEVA,CH-1211 GENEVA 4,SWITZERLAND
[10] HARVARD UNIV,CAMBRIDGE,MA 02138
[11] HIROSHIMA UNIV,HIGASHIHIROSHIMA 724,JAPAN
[12] UNIV ILLINOIS,URBANA,IL 61801
[13] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL,PQ H3A 2T8,CANADA
[14] UNIV TORONTO,TORONTO,ON M5S 1A7,CANADA
[15] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218
[16] UNIV KARLSRUHE,D-76128 KARLSRUHE,GERMANY
[17] NATL LAB HIGH ENERGY PHYS,KEK,TSUKUBA,IBARAKI 315,JAPAN
[18] ERNEST ORLANDO LAWRENCE BERKELEY NATL LAB,BERKELEY,CA 94720
[19] MIT,CAMBRIDGE,MA 02139
[20] UNIV MICHIGAN,ANN ARBOR,MI 48109
[21] MICHIGAN STATE UNIV,E LANSING,MI 48824
[22] UNIV NEW MEXICO,ALBUQUERQUE,NM 87132
[23] OHIO STATE UNIV,COLUMBUS,OH 43320
[24] OSAKA CITY UNIV,OSAKA 588,JAPAN
[25] UNIV PADUA,IST NAZL FIS NUCL,SEZIONE PADOVA,I-36132 PADUA,ITALY
[26] UNIV PENN,PHILADELPHIA,PA 19104
[27] SCUOLA NORMALE SUPER PISA,I-56100 PISA,ITALY
[28] UNIV PISA,IST NAZL FIS NUCL,I-56100 PISA,ITALY
[29] UNIV PITTSBURGH,PITTSBURGH,PA 15270
[30] PURDUE UNIV,W LAFAYETTE,IN 47907
[31] UNIV ROCHESTER,ROCHESTER,NY 14628
[32] ROCKEFELLER UNIV,NEW YORK,NY 10021
[33] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854
[34] ACAD SINICA,TAIPEI 11530,TAIWAN
[35] TEXAS A&M UNIV,COLLEGE STN,TX 77843
[36] TEXAS TECH UNIV,LUBBOCK,TX 79409
[37] UNIV TSUKUBA,TSUKUBA,IBARAKI 315,JAPAN
[38] TUFTS UNIV,MEDFORD,MA 02155
[39] UNIV WISCONSIN,MADISON,WI 53806
[40] YALE UNIV,NEW HAVEN,CT 06511
关键词
D O I
10.1103/PhysRevLett.79.2192
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have searched for heavy neutral gauge bosons (Z') in dielectron and dimuon decay modes using 110 pb(-1) of (p) over bar p collisions at root s = 1.8 TeV collected with the Collider Detector at Fermilab. We. present a limit on the production cross section times branching ratio of a Z' boson decaying into dileptons as a function of Z' mass. For mass M-Z' > 600 GeV/c(2), the upper limit is 40 fb at 95% confidence level. We set the lower mass limits of 690, 590, 620, 595, 565, 630, and 600 GeV/c(2) forZ(SM)(l), Z(psi), Z(eta), Z(X), Z(l), Z(LR), and Z(ALRM), respectively.
引用
收藏
页码:2192 / 2197
页数:6
相关论文
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