Search for squarks and gluinos in events containing jets and a large imbalance in transverse energy

被引:60
作者
Abbott, B [1 ]
Abolins, M
Abramov, V
Acharya, BS
Adam, I
Adams, DL
Adams, M
Ahn, S
Alves, GA
Amos, N
Anderson, EW
Baarmand, MM
Babintsev, VV
Babukhadia, L
Baden, A
Baldin, B
Banerjee, S
Bantly, J
Barberis, E
Baringer, P
Bartlett, JF
Belyaev, A
Beri, SB
Bertram, I
Bezzubov, VA
Bhat, PC
Bhatnagar, V
Bhattacharjee, M
Biswas, N
Blazey, G
Blessing, S
Bloom, P
Boehnlein, A
Bojko, NI
Borcherding, F
Boswell, C
Brandt, A
Breedon, R
Briskin, G
Brock, R
Bross, A
Buchholz, D
Burtovoi, VS
Butler, JM
Carvalho, W
Casey, D
Casilum, Z
Castilla-Valdez, H
Chakraborty, D
Chekulaev, SV
机构
[1] Univ Buenos Aires, Buenos Aires, DF, Argentina
[2] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil
[3] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[4] Univ Los Andes, Bogota, Colombia
[5] CEA, Serv Phys Particules, DAPNIA, Saclay, France
[6] Panjab Univ, Chandigarh 160014, India
[7] Univ Delhi, Delhi 110007, India
[8] Tata Inst Fundamental Res, Mumbai, India
[9] Kyungsung Univ, Pusan 608736, South Korea
[10] Seoul Natl Univ, Seoul, South Korea
[11] CINVESTAV, Mexico City 14000, DF, Mexico
[12] Inst Nucl Phys, Krakow, Poland
[13] Inst Theoret & Expt Phys, Moscow 117259, Russia
[14] Moscow MV Lomonosov State Univ, Moscow, Russia
[15] Inst High Energy Phys, Protvino, Russia
[16] Univ Arizona, Tucson, AZ 85721 USA
[17] Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[18] Univ Calif Berkeley, Berkeley, CA 94720 USA
[19] Univ Calif Davis, Davis, CA 95616 USA
[20] Univ Calif Irvine, Irvine, CA 92697 USA
[21] Univ Calif Riverside, Riverside, CA 92521 USA
[22] Florida State Univ, Tallahassee, FL 32306 USA
[23] Univ Hawaii, Honolulu, HI 96822 USA
[24] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[25] Univ Illinois, Chicago, IL 60607 USA
[26] No Illinois Univ, De Kalb, IL 60115 USA
[27] Northwestern Univ, Evanston, IL 60208 USA
[28] Indiana Univ, Bloomington, IN 47405 USA
[29] Univ Notre Dame, Notre Dame, IN 46556 USA
[30] Purdue Univ, W Lafayette, IN 47907 USA
[31] Iowa State Univ, Ames, IA 50011 USA
[32] Univ Kansas, Lawrence, KS 66045 USA
[33] Louisiana Tech Univ, Ruston, LA 71272 USA
[34] Univ Maryland, College Pk, MD 20742 USA
[35] Boston Univ, Boston, MA 02215 USA
[36] Northeastern Univ, Boston, MA 02115 USA
[37] Univ Michigan, Ann Arbor, MI 48109 USA
[38] Michigan State Univ, E Lansing, MI 48824 USA
[39] Univ Nebraska, Lincoln, NE 68588 USA
[40] Columbia Univ, New York, NY 10027 USA
[41] NYU, New York, NY 10003 USA
[42] Univ Rochester, Rochester, NY 14627 USA
[43] SUNY Stony Brook, Stony Brook, NY 11794 USA
[44] Brookhaven Natl Lab, Upton, NY 11973 USA
[45] Langston Univ, Langston, OK 73050 USA
[46] Univ Oklahoma, Norman, OK 73019 USA
[47] Brown Univ, Providence, RI 02912 USA
[48] Univ Texas, Arlington, TX 76019 USA
[49] Texas A&M Univ, College Stn, TX 77843 USA
[50] Rice Univ, Houston, TX 77005 USA
关键词
D O I
10.1103/PhysRevLett.83.4937
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Using data corresponding to an integrated luminosity of 79 pb(-1), D0 has searched for events containing multiple jets and large missing transverse energy in p (p) over bar collisions at root s = 1.8 TeV at the Fermilab Tevatron collider. Observing no significant excess beyond what is expected from the standard model, we set limits on the masses of squarks and gluinos and on the model parameters m(0) and m(1/2), in the framework of the minimal low-energy supergravity models of supersymmetry. For tan beta = 2 and A(0) = 0, with mu < 0, we exclude all models with m(q) < 250 GeV/c(2). For models with equal squark and gluino masses, we exclude m < 260 GeV/c(2).
引用
收藏
页码:4937 / 4942
页数:6
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