W-BOSON AND Z-BOSON PRODUCTION IN P(P)OVER-BAR COLLISIONS AT ROOT-S=1.8 TEV

被引:70
作者
ABACHI, S
ABBOTT, B
ABOLINS, M
ACHARYA, BS
ADAM, I
ADAMS, DL
ADAMS, M
AHN, S
AIHARA, H
ALITTI, J
ALVAREZ, G
ALVES, GA
AMIDI, E
AMOS, N
ANDERSON, EW
ARONSON, SH
ASTUR, R
AVERY, RE
BADEN, A
BALAMURALI, V
BALDERSTON, J
BALDIN, B
BANTLY, J
BARTLETT, JF
BAZIZI, K
BENDICH, J
BERI, SB
BERTRAM, I
BEZZUBOV, VA
BHAT, PC
BHATNAGAR, V
BHATTACHARJEE, M
BISCHOFF, A
BISWAS, N
BLAZEY, G
BLESSING, S
BLOOM, P
BOEHNLEIN, A
BOJKO, NI
BORCHERDING, F
BORDERS, J
BOSWELL, C
BRANDT, A
BROCK, R
BROSS, A
BUCHHOLZ, D
BURTOVOI, VS
BUTLER, JM
CASEY, D
CASTILLAVALDEZ, H
机构
[1] UNIV LOS ANDES, BOGOTA, COLOMBIA
[2] UNIV ARIZONA, TUCSON, AZ 85721 USA
[3] BROOKHAVEN NATL LAB, UPTON, NY 11973 USA
[4] BROWN UNIV, PROVIDENCE, RI 02912 USA
[5] UNIV CALIF DAVIS, DAVIS, CA 95616 USA
[6] UNIV CALIF IRVINE, IRVINE, CA 92717 USA
[7] UNIV CALIF RIVERSIDE, RIVERSIDE, CA 92521 USA
[8] CTR BRASILEIRO PESQUISAS FIS, LAFEX, RIO DE JANEIRO, BRAZIL
[9] CTR INVEST & ESTUDIOS AVANZADOS, MEXICO CITY, DF, MEXICO
[10] COLUMBIA UNIV, NEW YORK, NY 10027 USA
[11] UNIV DELHI, DELHI 110007, INDIA
[12] FLORIDA STATE UNIV, TALLAHASSEE, FL 32306 USA
[13] UNIV HAWAII, HONOLULU, HI 96822 USA
[14] UNIV ILLINOIS, CHICAGO, IL 60607 USA
[15] INDIANA UNIV, BLOOMINGTON, IN 47405 USA
[16] IOWA STATE UNIV SCI & TECHNOL, AMES, IA 50011 USA
[17] KOREA UNIV, SEOUL 136701, SOUTH KOREA
[18] KYUNGSUNG UNIV, PUSAN, SOUTH KOREA
[19] UNIV CALIF BERKELEY, BERKELEY, CA 94720 USA
[20] UNIV MARYLAND, COLLEGE PK, MD 20742 USA
[21] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[22] MICHIGAN STATE UNIV, E LANSING, MI 48824 USA
[23] MOSCOW MV LOMONOSOV STATE UNIV, MOSCOW, RUSSIA
[24] UNIV NEBRASKA, LINCOLN, NE 68588 USA
[25] NYU, NEW YORK, NY 10003 USA
[26] NORTHEASTERN UNIV, BOSTON, MA 02115 USA
[27] NO ILLINOIS UNIV, DE KALB, IL 60115 USA
[28] NORTHWESTERN UNIV, EVANSTON, IL 60208 USA
[29] UNIV NOTRE DAME, NOTRE DAME, IN 46556 USA
[30] PANJAB UNIV, CHANDIGARH 160014, INDIA
[31] INST HIGH ENERGY PHYS, PROTVINO 142284, RUSSIA
[32] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[33] RICE UNIV, HOUSTON, TX 77251 USA
[34] UNIV ROCHESTER, ROCHESTER, NY 14627 USA
[35] CEA SACLAY, DAPNIA,SERV PHYS PARTICULES, F-91191 GIF SUR YVETTE, FRANCE
[36] SEOUL NATL UNIV, SEOUL, SOUTH KOREA
[37] SUNY STONY BROOK, STONY BROOK, NY 11794 USA
[38] SUPERCONDUCTING SUPER COLLIDER LAB, DALLAS, TX 75237 USA
[39] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA
[40] UNIV TEXAS, ARLINGTON, TX 76019 USA
[41] TEXAS A&M UNIV, COLLEGE STN, TX 77843 USA
关键词
D O I
10.1103/PhysRevLett.75.1456
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The inclusive cross sections times leptonic branching ratios for W and Z boson production in p (p) over bar collisions at root s = 1.8 TeV were measured using the D0 detector at the Fermi-lab Tevatron collider: sigma(W)B(W --> e nu) = 2.36 +/- 0.07 +/- 0.13 nb, sigma(W)B(W --> mu nu) = 2.09 +/- 0.23 +/- 0.11 nb, sigma(Z)B(Z --> e(+)e(-)) = 0.218 +/- 0.011 +/- 0.012 nb, and sigma(Z)B(Z --> mu(+)mu(-)) = 0.178 +/- 0.030 +/- 0.009 nb. The first error is the combined statistical and systematic uncertainty, and the second reflects the uncertainty in the luminosity. For the combined electron and muon analyses we find sigma(W)B(W --> l nu)/sigma(Z)B(Z --> l(+)l(-)) = 10.90 +/- 0.49. Assuming standard model couplings, this result is used to determine the width of the W boson, Gamma(W) = 2.044 +/- 0.093 GeV.
引用
收藏
页码:1456 / 1461
页数:6
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