LIMITS ON WWZ AND WW-GAMMA COUPLINGS FROM WW AND WZ PRODUCTION IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV

被引:61
作者
ABE, F
ALBROW, MG
AMENDOLIA, SR
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, P
BAUER, G
BAUMANN, T
BEDESCHI, F
BEHRENDS, S
BELFORTE, S
BELLETTINI, C
BELLINGER, J
BENJAMIN, 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
BOKHARI, W
BOLOGNESI, V
BORTOLETTO, D
BOSWELL, C
BOULOS, T
BRANDENBURG, G
BROMBERG, C
机构
[1] UNIV BOLOGNA, IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY
[2] BRANDEIS UNIV, WALTHAM, MA 02254 USA
[3] UNIV CALIF LOS ANGELES, LOS ANGELES, CA 90024 USA
[4] UNIV CHICAGO, CHICAGO, IL 60637 USA
[5] DUKE UNIV, DURHAM, NC 27708 USA
[6] FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL USA
[7] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY
[8] HARVARD UNIV, CAMBRIDGE, MA 02138 USA
[9] UNIV ILLINOIS, URBANA, IL 61801 USA
[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 USA
[13] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
[14] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA
[15] MIT, CAMBRIDGE, MA 02139 USA
[16] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[17] MICHIGAN STATE UNIV, E LANSING, MI 48824 USA
[18] UNIV NEW MEXICO, ALBUQUERQUE, NM 87131 USA
[19] OSAKA CITY UNIV, OSAKA 588, JAPAN
[20] UNIV PADUA, IST NAZL FIS NUCL, SEZ PADOVA, I-35131 PADUA, ITALY
[21] UNIV PENN, PHILADELPHIA, PA 19104 USA
[22] UNIV PITTSBURGH, PITTSBURGH, PA 15260 USA
[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 USA
[26] UNIV ROCHESTER, NEW YORK, NY 14627 USA
[27] ROCKEFELLER UNIV, NEW YORK, NY 10021 USA
[28] RUTGERS STATE UNIV, PISCATAWAY, NJ 08854 USA
[29] ACAD SINICA, TAIPEI 11529, TAIWAN
[30] SUPERCONDUCTING SUPER COLLIDER LAB, DALLAS, TX 75237 USA
[31] TEXAS A&M UNIV, COLLEGE STN, TX 77843 USA
[32] TEXAS TECH UNIV, LUBBOCK, TX 79409 USA
[33] UNIV TSUKUBA, TSUKUBA, IBARAKI 305, JAPAN
[34] TUFTS UNIV, MEDFORD, MA 02155 USA
[35] UNIV WISCONSIN, MADISON, WI 53706 USA
[36] YALE UNIV, NEW HAVEN, CT 06511 USA
关键词
D O I
10.1103/PhysRevLett.75.1017
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Direct limits are set on WWZ and WW gamma three-boson couplings in a search for WW and WZ production with high transverse momentum in pp collisions at root s = 1.8 TeV, using the Collider Detector at Fermilab. The results are in agreement with the SU(2) X U(1) model of electroweak interactions. Assuming standard model WW gamma couplings, the limits are interpreted as direct evidence for a nonzero WWZ coupling at subprocess energies near 500 GeV. Alternatively, assuming identical WWZ and WW gamma couplings, bounds -0.11 < kappa < 2.27 and -0.81 < lambda < 0.84 are obtained at 95% C.L. for a form factor scale 1000 GeV.
引用
收藏
页码:1017 / 1022
页数:6
相关论文
共 28 条
[21]   ONE-LOOP EFFECTS OF NONSTANDARD TRIPLE GAUGE BOSON VERTICES [J].
HERNANDEZ, P ;
VEGAS, FJ .
PHYSICS LETTERS B, 1993, 307 (1-2) :116-127
[22]   HERWIG 5.1 - A MONTE-CARLO EVENT GENERATOR FOR SIMULATING HADRON EMISSION REACTIONS WITH INTERFERING GLUONS [J].
MARCHESINI, G ;
WEBBER, BR ;
ABBIENDI, G ;
KNOWLES, IG ;
SEYMOUR, MH ;
STANCO, L .
COMPUTER PHYSICS COMMUNICATIONS, 1992, 67 (03) :465-508
[23]   PARTON DISTRIBUTIONS FROM A GLOBAL QCD ANALYSIS OF DEEP INELASTIC-SCATTERING AND LEPTON-PAIR PRODUCTION [J].
MORFIN, JG ;
TUNG, WK .
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1991, 52 (01) :13-29
[24]   ORDER-ALPHA-S CALCULATION OF HADRONIC W+/-Z PRODUCTION [J].
OHNEMUS, J .
PHYSICAL REVIEW D, 1991, 44 (11) :3477-3489
[25]   ORDER-ALPHA-S CALCULATION OF HADRONIC W-W+ PRODUCTION [J].
OHNEMUS, J .
PHYSICAL REVIEW D, 1991, 44 (05) :1403-1414
[26]  
SALAM A, 1968, 8TH P NOB S STOCKH, P367
[27]   A MODEL OF LEPTONS [J].
WEINBERG, S .
PHYSICAL REVIEW LETTERS, 1967, 19 (21) :1264-&
[28]  
ZEPPENFELD D, COMMUNICATION