Search for (W)over-tilde(1)(Z)over-tilde(2) production via trilepton final states in p(p)over-bar collisions at root s=1.8 TeV

被引：23

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

Carvalho, W

Casey, D

机构：

[1] UNIV LOS ANDES, Bogota, COLOMBIA

[2] UNIV ARIZONA, TUCSON, AZ 85721 USA

[3] BOSTON UNIV, BOSTON, MA 02215 USA

[4] BROOKHAVEN NATL LAB, UPTON, NY 11973 USA

[5] BROWN UNIV, PROVIDENCE, RI 02912 USA

[6] UNIV BUENOS AIRES, BUENOS AIRES, DF, ARGENTINA

[7] UNIV CALIF DAVIS, DAVIS, CA 95616 USA

[8] UNIV CALIF IRVINE, IRVINE, CA 92717 USA

[9] UNIV CALIF RIVERSIDE, RIVERSIDE, CA 92521 USA

[10] CTR BRASILEIRO PESQUISAS FIS, LAFEX, RIO DE JANEIRO, BRAZIL

[11] CTR INVEST & ESTUDIOS AVANZADOS, MEXICO CITY, DF, MEXICO

[12] COLUMBIA UNIV, NEW YORK, NY 10027 USA

[13] UNIV DELHI, DELHI 110007, INDIA

[14] FLORIDA STATE UNIV, TALLAHASSEE, FL 32306 USA

[15] UNIV HAWAII, HONOLULU, HI 96822 USA

[16] INDIANA UNIV, BLOOMINGTON, IN 47405 USA

[17] IOWA STATE UNIV, AMES, IA 50011 USA

[18] KOREA UNIV, SEOUL 136701, SOUTH KOREA

[19] KYUNGSUNG UNIV, PUSAN, SOUTH KOREA

[20] UNIV CALIF BERKELEY, BERKELEY, CA 94720 USA

[21] LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA

[22] UNIV MARYLAND, COLLEGE PK, MD 20742 USA

[23] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA

[24] MICHIGAN STATE UNIV, E LANSING, MI 48824 USA

[25] UNIV NEBRASKA, LINCOLN, NE 68588 USA

[26] NYU, NEW YORK, NY 10003 USA

[27] NORTHEASTERN UNIV, BOSTON, MA 02115 USA

[28] NO ILLINOIS UNIV, DE KALB, IL 60115 USA

[29] NORTHWESTERN UNIV, EVANSTON, IL 60208 USA

[30] UNIV NOTRE DAME, NOTRE DAME, IN 46556 USA

[31] UNIV OKLAHOMA, NORMAN, OK 73019 USA

[32] INST HIGH ENERGY PHYS, PROTVINO 142284, RUSSIA

[33] PURDUE UNIV, W LAFAYETTE, IN 47907 USA

[34] RICE UNIV, HOUSTON, TX 77251 USA

[35] UNIV ESTADUAL RIO DE JANEIRO, RIO DE JANEIRO, BRAZIL

[36] UNIV ROCHESTER, ROCHESTER, NY 14627 USA

[37] CTR ETUD SACLAY, SERV PHYS PARTICULES, DEPT ASTROPHYS PHYS PARTICULES PHYS NUCL & INSTRU, CEA, F-91191 GIF SUR YVETTE, FRANCE

[38] SEOUL NATL UNIV, SEOUL, SOUTH KOREA

[39] SUNY STONY BROOK, STONY BROOK, NY 11794 USA

[40] SUPERCONDUCTING SUPER COLLIDER LAB, DALLAS, TX 75237 USA

[41] TATA INST FUNDAMENTAL RES, BOMBAY 400005, MAHARASHTRA, INDIA

[42] UNIV TEXAS, ARLINGTON, TX 76019 USA

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

[44] PANJAB UNIV, CHANDIGARH 160014, INDIA

[45] UNIV ILLINOIS, CHICAGO, IL 60607 USA

[46] MOSCOW MV LOMONOSOV STATE UNIV, MOSCOW, RUSSIA

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 13期

关键词：

D O I：

10.1103/PhysRevLett.76.2228

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have searched for associated production of the lightest chargino (W) over tilde(1) and next-to-lightest neutralino (Z) over tilde(2) of the minimal supersymmetric standard model in p (p) over bar collisions at root s = 1.8 TeV using the DO detector at the Fermilab Tevatron collider. Data corresponding to an integrated luminosity of 12.5 +/- 0.7 pb(-1) were examined for events containing three isolated leptons. No evidence for (W) over tilde(1) (Z) over tilde(2) pair production was found. Limits on sigma((W) over tilde(1) (Z) over tilde(2))B((W) over tilde(1)-->lv (Z) over tilde(1))B((Z) over tilde(2)-->l (l) over bar (Z) over tilde(1)) are presented.

引用

页码：2228 / 2233

页数：6

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