Measurement of sigma B(W->e nu) and sigma B(Z(0)->e(+)e(-)) in p(p)over-bar collisions at root s=1.8 TeV

被引：71

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, G

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] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40126 BOLOGNA,ITALY

[3] BRANDEIS UNIV,WALTHAM,MA 02254

[4] UNIV CALIF LOS ANGELES,LOS ANGELES,CA 90024

[5] UNIV CHICAGO,CHICAGO,IL 60637

[6] DUKE UNIV,DURHAM,NC 27708

[7] FERMILAB NATL ACCELERATOR LAB,BATAVIA,IL 60510

[8] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY

[9] HARVARD UNIV,CAMBRIDGE,MA 02138

[10] UNIV ILLINOIS,URBANA,IL 61801

[11] MCGILL UNIV,INST PARTICLE PHYS,MONTREAL,PQ H3A 2T8,CANADA

[12] UNIV TORONTO,TORONTO,ON M5S 1A7,CANADA

[13] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[14] NATL LAB HIGH ENERGY PHYS,KEK,TSUKUBA,IBARAKI 305,JAPAN

[15] LAWRENCE BERKELEY LAB,BERKELEY,CA 94720

[16] MIT,CAMBRIDGE,MA 02139

[17] UNIV MICHIGAN,ANN ARBOR,MI 48109

[18] MICHIGAN STATE UNIV,E LANSING,MI 48824

[19] UNIV NEW MEXICO,ALBUQUERQUE,NM 87131

[20] OSAKA CITY UNIV,OSAKA 588,JAPAN

[21] UNIV PADUA,IST NAZL FIS NUCL,SEZ PADOVA,I-35131 PADUA,ITALY

[22] UNIV PENN,PHILADELPHIA,PA 19104

[23] UNIV PITTSBURGH,PITTSBURGH,PA 15260

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

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

[26] PURDUE UNIV,W LAFAYETTE,IN 47907

[27] UNIV ROCHESTER,ROCHESTER,NY 14627

[28] ROCKEFELLER UNIV,NEW YORK,NY 10021

[29] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

[30] ACAD SINICA,TAIPEI 11529,TAIWAN

[31] SUPERCONDUCTING SUPER COLLIDER LAB,DALLAS,TX 75237

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

[33] TEXAS TECH UNIV,LUBBOCK,TX 79409

[34] UNIV TSUKUBA,TSUKUBA,IBARAKI 305,JAPAN

[35] TUFTS UNIV,MEDFORD,MA 02155

[36] UNIV WISCONSIN,MADISON,WI 53706

[37] YALE UNIV,NEW HAVEN,CT 06511

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.76.3070

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a measurement of sigma B(W --> e nu) and sigma B(Z(0) --> e(+)e(-)) in proton-antiproton collisions at root s = 1.8 TeV using a significantly improved understanding of the integrated luminosity. The data represent an integrated luminosity of 19.7 pb(-1) from the 1992-1993 run with the Collider Detector at Fermilab. We find sigma B(W --> e nu) = 2.49 +/- 0.12 nb and sigma B(Z(0) --> e(+)e(-)) = 0.231 +/- 0.012 nb.

引用

页码：3070 / 3075

页数：6

共 27 条

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