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
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
收藏
页码:147 / 151
页数:5
相关论文
共 14 条
  • [1] MEASUREMENT OF THE MASS AND WIDTH OF THE Z0 BOSON AT THE FERMILAB TEVATRON
    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
    [J]. PHYSICAL REVIEW LETTERS, 1989, 63 (07) : 720 - 723
  • [2] SEARCH FOR THE TOP QUARK IN THE REACTION PBARP-] ELECTRON+JETS AT SQUARE-ROOT S=1.8 TEV
    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
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (02) : 142 - 146
  • [3] THE CDF DETECTOR - AN OVERVIEW
    ABE, F
    AMIDEI, D
    APOLLINARI, G
    ASCOLI, G
    ATAC, M
    AUCHINCLOSS, P
    BADEN, AR
    BARBAROGALTIERI, A
    BARNES, VE
    BARSOTTI, E
    BEDESCHI, F
    BELFORTE, S
    BELLETTINI, G
    BELLINGER, J
    BENSINGER, J
    BERETVAS, A
    BERGE, P
    BERTOLUCCI, S
    BHADRA, S
    BINKLEY, M
    BLAIR, R
    BLOCKER, C
    BOFILL, J
    BOOTH, AW
    BRANDENBURG, G
    BRENNER, A
    BROWN, D
    BYON, A
    BYRUM, KL
    CAMPBELL, M
    CAREY, R
    CARITHERS, W
    CARLSMITH, D
    CARROLL, JT
    CASHMORE, R
    CERVELLI, F
    CHADWICK, K
    CHAPIN, T
    CHIARELLI, G
    CHINOWSKY, W
    CIHANGIR, S
    CLINE, D
    CONNOR, D
    CONTRERAS, M
    COOPER, J
    CORDELLI, M
    CURATOLO, M
    DAY, C
    DELFABBRO, R
    DELLORSO, M
    [J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1988, 271 (03) : 387 - 403
  • [4] ALBAJAR C, 1988, Z PHYS C PART FIELDS, V37, P505, DOI 10.1007/BF01549710
  • [5] TOTAL CROSS-SECTIONS FOR HEAVY FLAVOR PRODUCTION IN HADRONIC COLLISIONS AND QCD
    ALTARELLI, G
    DIEMOZ, M
    MARTINELLI, G
    NASON, P
    [J]. NUCLEAR PHYSICS B, 1988, 308 (04) : 724 - 752
  • [6] RECOGNIZING THE NEXT HEAVY QUARK AT PPBAR COLLIDERS
    BARGER, V
    PHILLIPS, RJN
    [J]. PHYSICAL REVIEW D, 1990, 41 (01): : 52 - 58
  • [7] EICHTEN EJ, COMMUNICATION
  • [8] FREEMAN J, 1987, P WORKSHOP DETECTOR, P190
  • [9] POSSIBILITY OF DISCOVERING THE NEXT CHARGE -1/3 QUARK THROUGH ITS FLAVOR-CHANGING NEUTRAL-CURRENT DECAYS
    HOU, WS
    STUART, RG
    [J]. PHYSICAL REVIEW LETTERS, 1989, 62 (06) : 617 - 620
  • [10] KAMAE T, 1989, 24TH P INT C HIGH EN, P156