MEASUREMENT OF THE PRODUCTION AND MUONIC DECAY-RATE OF W AND Z BOSONS IN P(P)BAR COLLISIONS AT ROOT-S = 1.8 TEV

被引:41
作者
ABE, F
AMIDEI, D
APOLLINARI, G
ATAC, M
AUCHINCLOSS, P
BADEN, AR
BACCHETTA, N
BAILEY, MW
BAMBERGER, A
DEBARBARO, P
BARNETT, BA
BARBAROGALTIERI, A
BARNES, VE
BAUMANN, T
BEDESCHI, F
BEHRENDS, S
BELFORTE, S
BELLETTINI, G
BELLINGER, J
BENJAMIN, D
BENSINGER, J
BERETVAS, A
BERGE, JP
BERTOLUCCI, S
BHADRA, S
BINKLEY, M
BISELLO, D
BLAIR, R
BLOCKER, C
BODEK, A
BOLOGNESI, V
BOOTH, AW
BOSWELL, C
BRANDENBURG, G
BROWN, D
BUCKLEYGEER, E
BUDD, HS
BUSETTO, G
BYONWAGNER, A
BYRUM, KL
CAMPAGNARI, C
CAMPBELL, M
CANER, A
CAREY, R
CARITHERS, W
CARLSMITH, D
CARROLL, JT
CASHMORE, R
CASTRO, A
CERVELLI, F
机构
[1] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
[2] BRANDEIS UNIV, WALTHAM, MA 02254 USA
[3] UNIV CHICAGO, CHICAGO, IL 60637 USA
[4] FERMI NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA
[5] IST NAZL FIS NUCL, LAB NAZL FRASCATI, FRASCATI, ITALY
[6] HARVARD UNIV, CAMBRIDGE, MA 02138 USA
[7] UNIV ILLINOIS, URBANA, IL 61801 USA
[8] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA
[9] LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA
[10] UNIV PADUA, IST NAZL FIS NUCL, I-35131 PADUA, ITALY
[11] UNIV PENN, PHILADELPHIA, PA 19104 USA
[12] UNIV PISA, IST NAZL FIS NUCL, I-56100 PISA, ITALY
[13] SCUOLA NORMALE SUPER PISA, I-56100 PISA, ITALY
[14] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[15] UNIV ROCHESTER, ROCHESTER, NY 14627 USA
[16] ROCKEFELLER UNIV, NEW YORK, NY 10021 USA
[17] RUTGERS STATE UNIV, PISCATAWAY, NJ 08854 USA
[18] TEXAS A&M UNIV SYST, COLLEGE STN, TX 77843 USA
[19] UNIV TSUKUBA, TSUKUBA, IBARAKI 305, JAPAN
[20] TUFTS UNIV, MEDFORD, MA 02155 USA
[21] UNIV WISCONSIN, MADISON, WI 53706 USA
关键词
D O I
10.1103/PhysRevLett.69.28
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An analysis of proton-antiproton collisions at square-root s = 1.8 TeV recorded with the Collider Detector at Fermilab (CDF) yields sigma(ppBAR --> WX)B(W --> mu-nu) = 2.21 +/- 0.22 nb and sigma(ppBAR --> ZX)B(Z --> mu+mu-) = 0.226 +/- 0.032 nb. The ratio is R(mu) = sigma(W)B(W --> mu-nu)/sigma(Z)B(Z --> mu+mu-) = 9.8 +/- 1.2. Combining with previous CDF electron results gives sigma(W)B(W --> l-nu) = 2.20 +/- 0.20 nb, sigma(Z)B(Z- l+l-) = 0.214 +/- 0.023 nb, and R(l) = 10.0 +/- 0.8. We extract the ratios of the coupling constants g(mu)/g(e) and g(tau)/g(mu). Using standard model assumptions we deduce the inverse branching ratio B-1(W --> l-nu), the width GAMMA(W), and a decay-mode-independent lower bound on the top quark mass of 45 GeV/c2 (95% C.L.).
引用
收藏
页码:28 / 32
页数:5
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共 19 条
  • [1] MEASUREMENT OF THE RATIO SIGMA(W-]EV)/SIGMA(Z-]EE) IN PBARP COLLISIONS 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) : 152 - 156
  • [2] MEASUREMENT OF THE RATIO BETA(W-]TAU-NU)/BETA(W-]E-NU) IN P(P)BAR COLLISIONS AT ROOT-S=1.8 TEV
    ABE, F
    AMIDEI, D
    APOLLINARI, G
    ATAC, M
    AUCHINCLOSS, P
    BADEN, AR
    BACCHETTA, N
    BAILEY, MW
    BAMBERGER, A
    DEBARBARO, P
    BARNETT, BA
    BARBAROGALTIERI, A
    BARNES, VE
    BAUMANN, T
    BEDESCHI, F
    BEHRENDS, S
    BELFORTE, S
    BELLETTINI, G
    BELLINGER, J
    BENJAMIN, D
    BENSINGER, J
    BERETVAS, A
    BERGE, JP
    BERTOLUCCI, S
    BHADRA, S
    BINKLEY, M
    BLAIR, R
    BLOCKER, C
    BLOOM, K
    BOLOGNESI, V
    BOOTH, AW
    BOSWELL, C
    BRANDENBURG, G
    BROWN, D
    BUCKLEYGEER, E
    BUDD, HS
    BUSETTO, G
    BYONWAGNER, A
    BYRUM, KL
    CAMPAGNARI, C
    CAMPBELL, M
    CANER, A
    CAREY, R
    CARITHERS, W
    CARLSMITH, D
    CARROLL, JT
    CASHMORE, R
    CASTRO, A
    CERVELLI, F
    CHADWICK, K
    [J]. PHYSICAL REVIEW LETTERS, 1992, 68 (23) : 3398 - 3402
  • [3] MEASUREMENT OF SIGMA B(W-]EV) AND SIGMA B(Z0-]E+E-) IN PBARP COLLISIONS AT SQUARE-ROOT S = 1800 GEV
    ABE, F
    [J]. PHYSICAL REVIEW D, 1991, 44 (01): : 29 - 52
  • [4] 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
  • [5] LOWER LIMIT ON THE TOP-QUARK MASS FROM EVENTS WITH 2 LEPTONS IN PPBAR COLLISIONS AT SQUARE-ROOT=1.8 TEV
    ABE, F
    AMIDEI, D
    APOLLINARI, G
    ATAC, M
    AUCHINCLOSS, P
    BADEN, AR
    BACCHETTA, N
    BAILEY, MW
    BAMBERGER, A
    BARNETT, BA
    BARBAROGALTIERI, A
    BARNES, VE
    BAUMANN, T
    BEDESCHI, F
    BEHRENDS, S
    BELFORTE, S
    BELLETTINI, G
    BELLINGER, J
    BENJAMIN, D
    BENSINGER, J
    BERETVAS, A
    BERGE, JP
    BERTOLUCCI, S
    BHADRA, S
    BINKLEY, M
    BLAIR, R
    BLOCKER, C
    BOLOGNESI, V
    BOOTH, AW
    BOSWELL, C
    BRANDENBURG, G
    BROWN, D
    BUCKLEYGEER, E
    BUDD, HS
    BUSETTO, G
    BYONWAGNER, A
    BYRUM, KL
    CAMPAGNARI, C
    CAMPBELL, M
    CANER, A
    CAREY, R
    CARITHERS, W
    CARLSMITH, D
    CARROLL, JT
    CASHMORE, R
    CASTRO, A
    CERVELLI, F
    CHADWICK, K
    CHIARELLI, G
    CHINOWSKY, W
    [J]. PHYSICAL REVIEW LETTERS, 1992, 68 (04) : 447 - 451
  • [6] MEASUREMENT OF THE W-BOSON PT DISTRIBUTION IN PBARP COLLISIONS AT SQUARE-ROOT-S = 1.8 TEV
    ABE, F
    [J]. PHYSICAL REVIEW LETTERS, 1991, 66 (23) : 2951 - 2955
  • [7] MEASUREMENT OF THE W-BOSON MASS IN 1.8-TEV PBARP COLLISIONS
    ABE, F
    [J]. PHYSICAL REVIEW D, 1991, 43 (07) : 2070 - 2093
  • [8] MEASUREMENT OF THE RATIO R=SIGMA-WBR(W-]MU-UPSILON) SIGMA-ZETA-BR(ZETA-]MU-MU) AND GAMMA-WTOT AT THE CERN PROTON ANTIPROTON COLLIDER
    Albajar, C
    Albrow, MG
    Allkofer, OC
    Ankoviak, K
    Apsimon, R
    Aubert, B
    Bacci, C
    Bartha, S
    Bauer, G
    Bettini, A
    Bezaguet, A
    Biddulph, P
    Bohn, H
    Bohrer, A
    Bonino, R
    Bos, K
    Botlo, M
    Brockhausen, D
    Buchanan, C
    Buschbeck, B
    Busetto, G
    Caner, A
    Casoli, P
    Castilla-Valdez, H
    Cavanna, F
    Cennini, P
    Centro, S
    Ceradini, F
    Ciapetti, G
    Cittolin, S
    Clayton, E
    Cline, D
    Colas, J
    Conte, R
    Coughlan, JA
    Dau, D
    Daum, D
    Della Negra, M
    Demoulin, M
    Denegri, D
    Dibon, H
    Diciaccio, A
    Hedo, FJD
    Dobrzynski, L
    Dorenbosch, J
    Dowell, JD
    Drijard, D
    Eggert, K
    Eisenhandler, E
    Ellis, N
    [J]. PHYSICS LETTERS B, 1991, 253 (3-4) : 503 - 510
  • [9] ALITTI J, 1991, CERNPPE91162 REP
  • [10] [Anonymous], 1989, Z PHYS C PART FIELDS, V44, P15, DOI 10.1007/BF01548582