Search for gluinos and squarks using like-sign dileptons in pp macro collisions at square root of s = 1.8 TeV.
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We present results of the first search for like-sign dilepton ( e(+/-)e(+/-), e(+/-)mu(+/-), mu(+/-)mu(+/-)) events associated with multijets and large missing energy using 106 pb(-1) of data in pp macro collisions at square root of s = 1.8 TeV collected during 1992-1995 by the CDF experiment. Finding no events that pass our selection, we examine pair production of gluinos (tilde g) and squarks (tilde q) in a constrained framework of the minimal supersymmetric standard model. At tan beta = 2 and mu = -800 GeV/c(2), we set 95% confidence level limits of M(tilde g)>221 GeV/c(2) for M(tilde g) approximately M(tilde q), and M(tilde q)>168 GeV/c(2) for M(tilde q)>>M(tilde g), both with small variation as a function of mu.
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Affolder, T., Akimoto, H., Akopian, A., Albrow, M. G., Amaral, P., Amidei, D., ... CDF Collaboration.
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Affolder, T||Akimoto, H||Akopian, A||Albrow, MG||Amaral, P||Amidei, D||Anikeev, K||Antos, J||Apollinari, G||Arisawa, T||Artikov, A||Asakawa, T||Ashmanskas, W||Azfar, F||Azzi-Bacchetta, P||Bacchetta, N||Bachacou, H||Bailey, S||de Barbaro, P||Barbaro-Galtieri, A||Barnes, VE||Barnett, BA||Baroiant, S||Barone, M||Bauer, G||Bedeschi, F||Belforte, S||Bell, WH||Bellettini, G||Bellinger, J||Benjamin, D||Bensinger, J||Beretvas, A||Berge, JP||Berryhill, J||Bhatti, A||Binkley, M||Bisello, D||Bishai, M||Blair, RE||Blocker, C||Bloom, K||Blumenfeld, B||Blusk, SR||Bocci, A||Bodek, A||Bokhari, W||Bolla, G||Bonushkin, Y||Bortoletto, D||Boudreau, J||Brandl, A||van den Brink, S||Bromberg, C||Brozovic, M||Brubaker, E||Bruner, N||Buckley-Geer, E||Budagov, J||Budd, HS||Burkett, K||Busetto, G||Byon-Wagner, A||Byrum, KL||Cabrera, S||Calafiura, P||Campbell, M||Carithers, W||Carlson, J||Carlsmith, D||Caskey, W||Castro, A||Cauz, D||Cerri, A||Chan, AW||Chang, PS||Chang, PT||Chapman, J||Chen, C||Chen, YC||Cheng, MT||Chertok, M||Chiarelli, G||Chirikov-Zorin, I||Chlachidze, G||Chlebana, F||Christofek, L||Chu, ML||Chung, YS||Ciobanu, CI||Clark, AG||Connolly, A||Conway, J||Cordelli, M||Cranshaw, J||Cropp, R||Culbertson, R||Dagenhart, D||D'Auria, S||DeJongh, F||Dell'Agnello, S||Dell'Orso, M||Demortier, L||Deninno, M||Derwent, PF||Devlin, T||Dittmann, JR||Dominguez, A||Donati, S||Done, J||D'Onofrio, M||Dorigo, T||Eddy, N||Einsweiler, K||Elias, JE||Engels, E||Erbacher, R||Errede, D||Errede, S||Fan, Q||Feild, RG||Fernandez, JP||Ferretti, C||Field, RD||Fiori, I||Flaugher, B||Foster, GW||Franklin, M||Freeman, J||Friedman, J||Fukui, Y||Furic, I||Galeotti, S||Gallas, A||Gallinaro, M||Gao, T||Garcia-Sciveres, M||Garfinkel, AF||Gatti, P||Gay, C||Gerdes, DW||Giannetti, P||Giromini, P||Glagolev, V||Glenzinski, D||Gold, M||Goldstein, J||Gorelov, I||Goshaw, AT||Gotra, Y||Goulianos, K||Green, C||Grim, G||Gris, P||Groer, L||Grosso-Pilcher, C||Guenther, M||Guillian, G||Guimaraes da Costa, J||Haas, RM||Haber, C||Hahn, SR||Hall, C||Handa, T||Handler, R||Hao, W||Happacher, F||Hara, K||Hardman, AD||Harris, RM||Hartmann, F||Hatakeyama, K||Hauser, J||Heinrich, J||Heiss, A||Herndon, M||Hill, C||Hoffman, KD||Holck, C||Hollebeek, R||Holloway, L||Hughes, R||Huston, J||Huth, J||Ikeda, H||Incandela, J||Introzzi, G||Iwai, J||Iwata, Y||James, E||Jones, M||Joshi, U||Kambara, H||Kamon, T||Kaneko, T||Karr, K||Kasha, H||Kato, Y||Keaffaber, TA||Kelley, K||Kelly, M||Kennedy, RD||Kephart, R||Khazins, D||Kikuchi, T||Kilminster, B||Kim, BJ||Kim, DH||Kim, HS||Kim, MJ||Kim, SB||Kim, SH||Kim, YK||Kirby, M||Kirk, M||Kirsch, L||Klimenko, S||Koehn, P||Kondo, K||Konigsberg, J||Korn, A||Korytov, A||Kovacs, E||Kroll, J||Kruse, M||Kuhlmann, SE||Kurino, K||Kuwabara, T||Laasanen, AT||Lai, N||Lami, S||Lammel, S||Lancaster, J||Lancaster, M||Lander, R||Lath, A||Latino, G||LeCompte, T||Lee, AM||Lee, K||Lee, SW||Leone, S||Lewis, JD||Lindgren, M||Liss, TM||Liu, JB||Liu, YC||Litvintsev, DO||Lobban, O||Lockyer, N||Loken, J||Loreti, M||Lucchesi, D||Lukens, P||Lusin, S||Lyons, L||Lys, J||Madrak, R||Maeshima, K||Maksimovic, P||Malferrari, L||Mangano, M||Mariotti, M||Martignon, G||Martin, A||Matthews, JA||Mayer, J||Mazzanti, P||McFarland, KS||McIntyre, P||McKigney, E||Menguzzato, M||Menzione, A||Mesropian, C||Meyer, A||Miao, T||Miller, R||Miller, JS||Minato, H||Miscetti, S||Mishina, M||Mitselmakher, G||Moggi, N||Moore, E||Moore, R||Morita, Y||Moulik, T||Mulhearn, M||Mukherjee, A||Muller, T||Munar, A||Murat, P||Murgia, S||Nachtman, J||Nagaslaev, V||Nahn, S||Nakada, H||Nakano, I||Nelson, C||Nelson, T||Neu, C||Neuberger, D||Newman-Holmes, C||Ngan, CY||Niu, H||Nodulman, L||Nomerotski, A||Oh, SH||Oh, YD||Ohmoto, T||Ohsugi, T||Oishi, R||Okusawa, T||Olsen, J||Orejudos, W||Pagliarone, C||Palmonari, F||Paoletti, R||Papadimitriou, V||Partos, D||Patrick, J||Pauletta, G||Paulini, M||Paus, C||Pellett, D||Pescara, L||Phillips, TJ||Piacentino, G||Pitts, KT||Pompos, A||Pondrom, L||Pope, G||Popovic, M||Prokoshin, F||Proudfoot, J||Ptohos, F||Pukhov, O||Punzi, G||Rakitine, A||Ratnikov, F||Reher, D||Reichold, A||Ribon, A||Riegler, W||Rimondi, F||Ristori, L||Riveline, M||Robertson, WJ||Robinson, A||Rodrigo, T||Rolli, S||Rosenson, L||Roser, R||Rossin, R||Roy, A||Ruiz, A||Safonov, A||St Denis, R||Sakumoto, WK||Saltzberg, D||Sanchez, C||Sansoni, A||Santi, L||Sato, H||Savard, P||Schlabach, P||Schmidt, EE||Schmidt, MP||Schmitt, M||Scodellaro, L||Scott, A||Scribano, A||Segler, S||Seidel, S||Seiya, Y||Semenov, A||Semeria, F||Shah, T||Shapiro, MD||Shepard, PF||Shibayama, T||Shimojima, M||Shochet, M||Sidoti, A||Siegrist, J||Sill, A||Sinervo, P||Singh, P||Slaughter, AJ||Sliwa, K||Smith, C||Snider, FD||Solodsky, A||Spalding, J||Speer, T||Sphicas, P||Spinella, F||Spiropulu, M||Spiegel, L||Steele, J||Stefanini, A||Strologas, J||Strumia, F||Stuart, D||Sumorok, K||Suzuki, T||Takano, T||Takashima, R||Takikawa, K||Tamburello, P||Tanaka, M||Tannenbaum, B||Tecchio, M||Tesarek, R||Teng, PK||Terashi, K||Tether, S||Thompson, AS||Thurman-Keup, R||Tipton, P||Tkaczyk, S||Toback, D||Tollefson, K||Tollestrup, A||Tonelli, D||Toyoda, H||Trischuk, W||de Troconiz, JF||Tseng, J||Turini, N||Ukegawa, F||Vaiciulis, T||Valls, J||Vejcik, S||Velev, G||Veramendi, G||Vidal, R||Vila, I||Vilar, R||Volobouev, I||von der Mey, M||Vucinic, D||Wagner, RG||Wagner, RL||Wallace, NB||Wan, Z||Wang, C||Wang, MJ||Ward, B||Waschke, S||Watanabe, T||Waters, D||Watts, T||Webb, R||Wenzel, H||Wester, WC||Wicklund, AB||Wicklund, E||Wilkes, T||Williams, HH||Wilson, P||Winer, BL||Winn, D||Wolbers, S||Wolinski, D||Wolinski, J||Wolinski, S||Worm, S||Wu, X||Wyss, J||Yao, W||Yeh, GP||Yeh, P||Yoh, J||Yosef, C||Yoshida, T||Yu, I||Yu, S||Yu, Z||Zanetti, A||Zetti, F||Zucchelli, S
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51 Physical Sciences
5106 Nuclear And Plasma Physics
5107 Particle And High Energy Physics
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http://dx.doi.org/10.1103/physrevlett.87.251803