Search for gluinos and squarks at the Fermilab tevatron collider

被引:54
作者
Abe, F
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
Bolignesi, V
机构
[1] ARGONNE NATL LAB, ARGONNE, IL 60439 USA
[2] UNIV BOLOGNA, IST NAZL FIS NUCL, I-40127 BOLOGNA, ITALY
[3] BRANDEIS UNIV, WALTHAM, MA 02264 USA
[4] UNIV CALIF LOS ANGELES, LOS ANGELES, CA 90024 USA
[5] UNIV CHICAGO, CHICAGO, IL 60638 USA
[6] DUKE UNIV, DURHAM, NC 28708 USA
[7] FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA
[8] UNIV FLORIDA, GAINESVILLE, FL 33611 USA
[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 USA
[12] HIROSHIMA UNIV, HIGASHIHIROSHIMA 724, JAPAN
[13] UNIV ILLINOIS, URBANA, IL 61801 USA
[14] MCGILL UNIV, INST PARTICLE PHYS, MONTREAL, PQ H2A 2T8, CANADA
[15] UNIV TORONTO, TORONTO, ON M5S 1A7, CANADA
[16] JOHNS HOPKINS UNIV, BALTIMORE, MD 21218 USA
[17] ERNEST ORLANDO LAWRENCE BERKELEY NATL LAB, BERKELEY, CA 94720 USA
[18] MIT, CAMBRIDGE, MA 02139 USA
[19] UNIV MICHIGAN, ANN ARBOR, MI 48109 USA
[20] MICHIGAN STATE UNIV, E LANSING, MI 48824 USA
[21] UNIV NEW MEXICO, ALBUQUERQUE, NM 87132 USA
[22] OHIO STATE UNIV, COLUMBUS, OH 43320 USA
[23] OSAKA CITY UNIV, OSAKA 588, JAPAN
[24] UNIV PADUA, IST NAZL FIS NUCL, SEZ PADOVA, I-36132 PADUA, ITALY
[25] UNIV PENN, PHILADELPHIA, PA 19104 USA
[26] UNIV PISA, IST NAZL FIS NUCL, I-56100 PISA, ITALY
[27] SCUOLA NORMALE SUPER PISA, I-56100 PISA, ITALY
[28] UNIV PITTSBURGH, PITTSBURGH, PA 15270 USA
[29] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[30] UNIV ROCHESTER, ROCHESTER, NY 14628 USA
[31] ROCKEFELLER UNIV, NEW YORK, NY 10021 USA
[32] RUTGERS STATE UNIV, PISCATAWAY, NJ 08854 USA
[33] ACAD SINICA, TAIPEI 11530, TAIWAN
[34] TEXAS A&M UNIV, COLLEGE STN, TX 77843 USA
[35] TEXAS TECH UNIV, LUBBOCK, TX 79409 USA
[36] UNIV TSUKUBA, TSUKUBA, IBARAKI 315, JAPAN
[37] TUFTS UNIV, MEDFORD, MA 02155 USA
[38] UNIV WISCONSIN, MADISON, WI 53806 USA
[39] YALE UNIV, NEW HAVEN, CT 06511 USA
关键词
D O I
10.1103/PhysRevD.56.R1357
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report on a search for supersymmetric squark and gluino particles in a data sample of 19 ph(-1) of <p(p)over bar> collisions at root s = 1.8 TeV recorded by the Collider Detector at Fermilab. We searched for events containing jets plus appreciable missing transverse energy (E-T). This signature is indicative of pair production and subsequent decay of squarks and/or gluinos. After all cuts, there are 18 events with E-T > 60 GeV and three jets, and 6 events with E-T > 60 GeV and four jets. These numbers of events are consistent with estimates of standard model processes plus detector-induced background sources. The analysis yields lower limits on gluino and squark masses, based on the predictions from the mnimal supersymmetric extension of the standard model. At the 95% confidence level, we find gluino and squark mass limits up to 216 GeV/c(2), assuming equal gluino and squark masses, and gluino mass limits up to 173 GeV/c(2), independent of squark mass.
引用
收藏
页码:R1357 / R1362
页数:6
相关论文
共 34 条
  • [11] EVENTS WITH LARGE MISSING TRANSVERSE ENERGY AT THE CERN COLLIDER .3. MASS LIMITS ON SUPERSYMMETRIC PARTICLES
    ALBAJAR, C
    ALBROW, MG
    ALLKOFER, OC
    ASTBURY, A
    AUBERT, B
    AXON, T
    BACCI, C
    BACON, T
    BAINS, N
    BATLEY, JR
    BAUER, G
    BEINGESSNER, S
    BELLINGER, J
    BETTINI, A
    BEZAGUET, A
    BONINO, R
    BOS, K
    BUCKLEY, E
    BUSETTO, G
    CATZ, P
    CENNINI, P
    CENTRO, S
    CERADINI, F
    CHARLTON, DG
    CIAPETTI, G
    CITTOLIN, S
    CLARKE, D
    CLINE, D
    COCHET, C
    COLAS, J
    COLAS, P
    CORDEN, M
    COUGHLAN, JA
    COX, G
    DAU, D
    DEBEER, M
    DEBRION, JP
    DEGIORGI, M
    DELLANEGRA, M
    DEMOULIN, M
    DENBY, B
    DENEGRI, D
    DICIACCIO, A
    HEDO, FJD
    DOBRZYNSKI, L
    DORENBOSCH, J
    DOWELL, JD
    DUCHOVNI, E
    EDGECOCK, R
    EGGERT, K
    [J]. PHYSICS LETTERS B, 1987, 198 (02) : 261 - 270
  • [12] A SEARCH FOR SQUARK AND GLUINO PRODUCTION AT THE CERN PBARP COLLIDER
    ALITTI, J
    ANSARI, R
    ANSORGE, RE
    BAGNAIA, P
    BAREYRE, P
    BLAYLOCK, G
    BONAMY, P
    BONESINI, M
    BORER, K
    BUSKULIC, D
    CARBONI, G
    CAVALLI, D
    CAVASINNI, V
    CENCI, P
    CHOLLET, JC
    CONTA, C
    COSTA, G
    COSTANTINI, F
    DELLACQUA, A
    DELOTTO, B
    DELPRETE, T
    DEWOLF, RS
    DILELLA, L
    EGAN, GF
    EINSWEILER, KF
    FAYARD, L
    FEDERSPIEL, A
    FERRARI, R
    FRATERNALI, M
    FROIDEVAUX, D
    FUMAGALLI, G
    GAILLARD, JM
    GEIGES, R
    GIANOTTI, F
    GILDEMEISTER, O
    GOSSLING, C
    GOGGI, VG
    GRUNENDAHL, S
    HANSEN, JR
    HARA, K
    HELLMAN, S
    HUGENTOBLER, E
    HULTQVIST, K
    IACOPINI, E
    INCANDELA, J
    JAKOBS, K
    JENNI, P
    KLUGE, EE
    KOCH, T
    KURZ, N
    [J]. PHYSICS LETTERS B, 1990, 235 (3-4) : 363 - 372
  • [13] PROBING CHARGINOS AND NEUTRALINOS BEYOND THE REACH OF THE CERN E+E- COLLIDER LEP AT THE FERMILAB TEVATRON COLLIDER
    BAER, H
    TATA, X
    [J]. PHYSICAL REVIEW D, 1993, 47 (07): : 2739 - 2745
  • [14] BAER H, 1993, 9392 ANL, P703
  • [15] BAER H, 1995, IN PRESS ELECTROWEAK
  • [16] SEARCHES FOR SUPERSYMMETRIC PARTICLES PRODUCED IN Z-BOSON DECAY
    BARKLOW, T
    ABRAMS, GS
    ADOLPHSEN, CE
    AVERILL, D
    BALLAM, J
    BARISH, BC
    BARNETT, BA
    BARTELT, J
    BETHKE, S
    BLOCKUS, D
    BONVICINI, G
    BOYARSKI, A
    BRABSON, B
    BREAKSTONE, A
    BULOS, F
    BURCHAT, PR
    BURKE, DL
    CENCE, RJ
    CHAPMAN, J
    CHMEISSANI, M
    CORDS, D
    COUPAL, DP
    DAUNCEY, P
    DESTAEBLER, HC
    DORFAN, DE
    DORFAN, JM
    DREWER, DC
    ELIA, R
    FELDMAN, GJ
    FERNANDES, D
    FIELD, RC
    FORD, WT
    FORDHAM, C
    FREY, R
    FUJINO, D
    GAN, KK
    GATTO, C
    GERO, E
    GIDAL, G
    GLANZMAN, T
    GOLDHABER, G
    CADENAS, JJG
    GRATTA, G
    GRINDHAMMER, G
    GROSSEWIESMANN, P
    HANSON, G
    HARR, R
    HARRAL, B
    HARRIS, FA
    HAWKES, CM
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (25) : 2984 - 2987
  • [17] Particles and field .1. Review of particle physics
    Barnett, RM
    Carone, CD
    Groom, DE
    Trippe, TG
    Wohl, CG
    Armstrong, B
    Gee, PS
    Wagman, GS
    James, F
    Mangano, M
    Monig, K
    Montanet, L
    Feng, JL
    Murayama, H
    Hernandez, JJ
    Manohar, A
    AguilarBenitez, M
    Caso, C
    Crawford, RL
    Roos, M
    Tornqvist, NA
    Hayes, KG
    Hagiwara, K
    Nakamura, K
    Tanabashi, M
    Olive, K
    Honscheid, K
    Burchat, PR
    Shrock, RE
    Eidelman, S
    Schindler, RH
    Gurtu, A
    Hikasa, K
    Conforto, G
    Workman, RL
    Grab, C
    Amsler, C
    [J]. PHYSICAL REVIEW D, 1996, 54 (01) : 1 - +
  • [18] GLUINO-PAIR PRODUCTION AT THE TEVATRON
    BEENAKKER, W
    HOPKER, R
    SPIRA, M
    ZERWAS, PM
    [J]. ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1995, 69 (01): : 163 - 166
  • [19] SQUARK PRODUCTION AT THE FERMILAB TEVATRON
    BEENAKKER, W
    HOPKER, R
    SPIRA, M
    ZERWAS, PM
    [J]. PHYSICAL REVIEW LETTERS, 1995, 74 (15) : 2905 - 2908
  • [20] BEENAKKER W, 1996, DESY96150