Search for minimal supergravity in single-electron events with jets and large missing transverse energy in p(p)over-bar collisions at √s=1.8 TeV -: art. no. 112001

被引:21
作者
Abazov, VM [1 ]
Abbott, B
Abdesselam, A
Abolins, M
Abramov, V
Acharya, BS
Adams, DL
Adams, M
Ahmed, SN
Alexeev, GD
Alton, A
Alves, GA
Anderson, EW
Arnoud, Y
Avila, C
Baarmand, MM
Babintsev, VV
Babukhadia, L
Bacon, TC
Baden, A
Baldin, B
Balm, PW
Banerjee, S
Barberis, E
Baringer, P
Barreto, J
Bartlett, JF
Bassler, U
Bauer, D
Bean, A
Beaudette, F
Begel, M
Belyaev, A
Beri, SB
Bernardi, G
Bertram, I
Besson, A
Beuselinck, R
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Bhattacharjee, M
Blazey, G
Blekman, F
Blessing, S
Boehnlein, A
Bojko, NI
Bolton, TA
Borcherding, F
Bos, K
机构
[1] Joint Nucl Res Inst, Dubna, Russia
[2] Univ Buenos Aires, Buenos Aires, DF, Argentina
[3] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[4] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[5] Inst High Energy Phys, Beijing 100039, Peoples R China
[6] Univ Los Andes, Bogota, Colombia
[7] Charles Univ Prague, Ctr Particle Phys, Prague, Czech Republic
[8] Acad Sci Czech Republic, Ctr Particle Phys, Inst Phys, Prague, Czech Republic
[9] Univ San Francisco Quito, Quito, Ecuador
[10] Univ Grenoble 1, CNRS, IN2P3, Inst Sci Nucl, Grenoble, France
[11] Univ Mediterranee, CNRS, IN2P3, CPPM, Marseille, France
[12] CNRS, IN2P3, Lab Accelerateur Lineaire, F-91405 Orsay, France
[13] Univ Paris 06, LPNHE, Paris, France
[14] Univ Paris 07, LPNHE, Paris, France
[15] CNRS, IN2P3, Paris, France
[16] CEA, Serv Phys Particles, DAPNIA, Saclay, France
[17] Johannes Gutenberg Univ Mainz, Inst Phys, D-6500 Mainz, Germany
[18] Panjab Univ, Chandigarh 160014, India
[19] Univ Delhi, Delhi 110007, India
[20] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[21] Seoul Natl Univ, Seoul, South Korea
[22] CINVESTAV, Mexico City 14000, DF, Mexico
[23] NIKHEF, FOM Inst, Amsterdam, Netherlands
[24] Univ Amsterdam, NIKHEF, Amsterdam, Netherlands
[25] Univ Nijmegen, NIKHEF, Nijmegen, Netherlands
[26] Inst Nucl Phys, Krakow, Poland
[27] Inst Theoret & Expt Phys, Moscow 117259, Russia
[28] Moscow MV Lomonosov State Univ, Moscow, Russia
[29] Inst High Energy Phys, Protvino, Russia
[30] Univ Lancaster, Lancaster, England
[31] Univ London Imperial Coll Sci Technol & Med, London, England
[32] Univ Arizona, Tucson, AZ 85721 USA
[33] Univ Calif Berkeley, Berkeley, CA 94720 USA
[34] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[35] Univ Calif Davis, Davis, CA 95616 USA
[36] Calif State Univ Fresno, Fresno, CA 93740 USA
[37] Univ Calif Irvine, Irvine, CA 92697 USA
[38] Univ Calif Riverside, Riverside, CA 92521 USA
[39] Florida State Univ, Tallahassee, FL 32306 USA
[40] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[41] Univ Illinois, Chicago, IL 60607 USA
[42] No Illinois Univ, De Kalb, IL 60115 USA
[43] Northwestern Univ, Evanston, IL 60208 USA
[44] Indiana Univ, Bloomington, IN 47405 USA
[45] Univ Notre Dame, Notre Dame, IN 46556 USA
[46] Iowa State Univ, Ames, IA 50011 USA
[47] Univ Kansas, Lawrence, KS 66045 USA
[48] Kansas State Univ, Manhattan, KS 66506 USA
[49] Louisiana Tech Univ, Ruston, LA 71272 USA
[50] Univ Maryland, College Pk, MD 20742 USA
关键词
D O I
10.1103/PhysRevD.66.112001
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We describe a search for evidence of minimal supergravity (MSUGRA) in 92.7 pb(-1) of data collected with the D empty set detector at the Fermilab Tevatron p (p) over bar collider at roots=1.8 TeV. Events with a single electron, four or more jets, and large missing transverse energy were used in this search. The major backgrounds are from W+jets, misidentified multijet, t (t) over bar, and WW production. We observe no excess above the expected number of background events in our data. A new limit in terms of MSUGRA model parameters is obtained.
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页数:15
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