The mu tau and e tau decays of top quark pairs produced in p(p)over-bar collisions at root s = 1.8 TeV

被引：33

作者：

Abe, F ^{[18
]}

Akimoto, H

Akopian, A

Albrow, MG

Amendolia, SR

Amidei, D

Antos, J

Aota, S

Apollinari, G

Asakawa, T

Ashmanskas, W

Atac, M

Azfar, F

AzziBacchetta, P

Bacchetta, N

Badgett, W

Bagdasarov, S

Bailey, MW

Bao, J

deBarbaro, P

BarbaroGaltieri, A

Barnes, VE

Barnett, BA

Barone, M

Barzi, E

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

Berryhill, J

Bertolucci, S

Bevensee, B

Bhatti, A

Biery, K

Binkley, M

Bisello, D

Blair, RE

Blocker, C

Bodek, A

Bokhari, W

Bolognesi, V

机构：

[1] ARGONNE NATL LAB,ARGONNE,IL 60439

[2] UNIV BOLOGNA,IST NAZL FIS NUCL,I-40127 BOLOGNA,ITALY

[3] BRANDEIS UNIV,WALTHAM,MA 02264

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

[5] UNIV CHICAGO,CHICAGO,IL 60638

[6] DUKE UNIV,DURHAM,NC 28708

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

[8] UNIV FLORIDA,GAINESVILLE,FL 33611

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

[10] UNIV GENEVA,CH-1211 GENEVA 4,SWITZERLAND

[11] HARVARD UNIV,CAMBRIDGE,MA 02138

[12] HIROSHIMA UNIV,HIGASHIHIROSHIMA 724,JAPAN

[13] UNIV ILLINOIS,URBANA,IL 61801

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

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

[16] JOHNS HOPKINS UNIV,BALTIMORE,MD 21218

[17] UNIV KARLSRUHE,D-76128 KARLSRUHE,GERMANY

[18] NATL LAB HIGH ENERGY PHYS,KEK,TSUKUBA,IBARAKI 315,JAPAN

[19] ERNESTO ORLANDO LAWRENCE BERKELEY NATL LAB,BERKELEY,CA 94720

[20] MIT,CAMBRIDGE,MA 02139

[21] UNIV MICHIGAN,ANN ARBOR,MI 48109

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

[23] UNIV NEW MEXICO,ALBUQUERQUE,NM 87132

[24] OHIO STATE UNIV,COLUMBUS,OH 43210

[25] OSAKA CITY UNIV,OSAKA 588,JAPAN

[26] UNIV PADUA,IST NAZL FIS NUCL,SEZ PADOVA,I-36132 PADUA,ITALY

[27] UNIV PENN,PHILADELPHIA,PA 19104

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

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

[30] UNIV PITTSBURGH,PITTSBURGH,PA 15270

[31] PURDUE UNIV,W LAFAYETTE,IN 47907

[32] UNIV ROCHESTER,ROCHESTER,NY 14628

[33] ROCKEFELLER UNIV,NEW YORK,NY 10021

[34] RUTGERS STATE UNIV,PISCATAWAY,NJ 08854

[35] ACAD SINICA,TAIPEI 11530,TAIWAN

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

[37] TEXAS TECH UNIV,LUBBOCK,TX 79409

[38] UNIV TSUKUBA,TSUKUBA,IBARAKI 315,JAPAN

[39] TUFTS UNIV,MEDFORD,MA 02155

[40] UNIV WISCONSIN,MADISON,WI 53806

[41] YALE UNIV,NEW HAVEN,CT 06511

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.79.3585

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a search for dilepton events from t (t) over bar production with one electron or muon and one hadronically decaying tau lepton from the decay t (t) over bar --> (l nu(l))(tau nu(tau))b (b) over bar, (l = e, mu)(-), using the Collider Detector at Fermilab. In a 109 pb(-1) data sample of p (p) over bar collisions at root s = 1.8 TeV we expect similar to 1 signal event and a total background of similar to 2 events; we observe 4 candidate events (2 e tau and 2 mu tau). Three of these events have jets identified as b candidates, compared to an estimated background of 0.28 +/- 0.02 events. [S0031-9007(97)04295-6].

引用

页码：3585 / 3590

页数：6

共 50 条

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