SEARCH FOR NEW HEAVY QUARKS IN ELECTRON-MUON EVENTS AT THE FERMILAB TEVATRON COLLIDER

被引：96

作者：

ABE, F

AMIDEI, D

APOLLINARI, G

ATAC, M

AUCHINCLOSS, P

BADEN, AR

BAMBERGER, A

BARBAROGALTIERI, A

BARNES, VE

BEDESCHI, F

BEHRENDS, S

BELFORTE, S

BELLETTINI, G

BELLINGER, J

BENSINGER, J

BERETVAS, A

BERGE, JP

BERTOLUCCI, S

BHADRA, S

BINKLEY, M

BLAIR, R

BLOCKER, C

BOOTH, AW

BRANDENBURG, G

BROWN, D

BUCKLEY, E

BYON, A

BYRUM, KL

CAMPAGNARI, C

CAMPBELL, M

CAREY, R

CARITHERS, W

CARLSMITH, D

CARROLL, JT

CASHMORE, R

CERVELLI, F

CHADWICK, K

CHIARELLI, G

CHINOWSKY, W

CIHANGIR, S

CLARK, AG

CONNOR, D

CONTRERAS, M

COOPER, J

CORDELLI, M

CRANE, D

CURATOLO, M

DAY, C

DELLAGNELLO, S

DELLORSO, M

机构：

[1] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] BRANDEIS UNIV,WALTHAM,MA 02254

[3] UNIV CHICAGO,CHICAGO,IL 60637

[4] FERMI NATL ACCELERATOR LAB,BATAVIA,IL 60510

[5] IST NAZL FIS NUCL,LAB NAZL FRASCATI,FRASCATI,ITALY

[6] HARVARD UNIV,CAMBRIDGE,MA 02138

[7] UNIV ILLINOIS,URBANA,IL 61801

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

[9] UNIV PENN,PHILADELPHIA,PA 19104

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

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

[12] PURDUE UNIV,W LAFAYETTE,IN 47907

[13] ROCKEFELLER UNIV,NEW YORK,NY 10021

[14] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

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

[16] UNIV TSUKUBA,SAKURA,IBARAKI 305,JAPAN

[17] TUFTS UNIV,MEDFORD,MA 02155

[18] UNIV WISCONSIN,MADISON,WI 53706

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 64卷 / 02期

关键词：

D O I：

10.1103/PhysRevLett.64.147

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for tt»e1/4+X in pp» collisions at ss» TeV is described. The production and decay of top-quarke"antiquark pairs is considered in the context of the standard model. The analysis is based on data with an integrated luminosity of 4.4 pb-1 recorded with the Collider Detector at Fermilab. An upper limit on the tt» cross section is obtained, and the top quark in the mass range 28e"72 GeV/c2 is excluded at the 95% C.L. The same limits apply to a possible fourth-generation, charge -(1/3, be quark, decaying via the charged current. © 1990 The American Physical Society.

引用

页码：147 / 151

页数：5

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