Search for the supersymmetric partner of the top quark in pp¯ collisions at √s=1.96 TeV

Aaltonen, T. et al. (2010) Search for the supersymmetric partner of the top quark in pp¯ collisions at √s=1.96 TeV. Physical Review D, 82(9), (doi: 10.1103/PhysRevD.82.092001)

Abstract

We present a search for the lightest supersymmetric partner of the top quark in proton-antiproton collisions at a center-of-mass energy √s=1.96  TeV. This search was conducted within the framework of the R parity conserving minimal supersymmetric extension of the standard model, assuming the stop decays dominantly to a lepton, a sneutrino, and a bottom quark. We searched for events with two oppositely-charged leptons, at least one jet, and missing transverse energy in a data sample corresponding to an integrated luminosity of 1  fb^-1 collected by the Collider Detector at Fermilab experiment. No significant evidence of a stop quark signal was found. Exclusion limits at 95% confidence level in the stop quark versus sneutrino mass plane are set. Stop quark masses up to 180  GeV/c² are excluded for sneutrino masses around 45  GeV/c², and sneutrino masses up to 116  GeV/c² are excluded for stop quark masses around 150  GeV/c².

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Robson, Professor Aidan and St Denis, Dr Richard and Bussey, Dr Peter
• Authors: Aaltonen, T., Álvarez González, B., Amerio, S., Amidei, D., Anastassov, A., Annovi, A., Antos, J., Apollinari, G., Appel, J., Apresyan, A., Arisawa, T., Artikov, A., Asaadi, J., Ashmanskas, W., Auerbach, B., Aurisano, A., Azfar, F., Badgett, W., Barbaro-Galtieri, A., Barnes, V., Barnett, B., Barria, P., Bartos, P., Bauce, M., Bauer, G., Bedeschi, F., Beecher, D., Behari, S., Bellettini, G., Bellinger, J., Benjamin, D., Beretvas, A., Bhatti, A., Binkley, M., Bisello, D., Bizjak, I., Bland, K., Blocker, C., Blumenfeld, B., Bocci, A., Bodek, A., Bortoletto, D., Boudreau, J., Boveia, A., Brau, B., Brigliadori, L., Brisuda, A., Bromberg, C., Brucken, E., Bucciantonio, M., Budagov, J., Budd, H., Budd, S., Burkett, K., Busetto, G., Bussey, P., Buzatu, A., Cabrera, S., Calancha, C., Camarda, S., Campanelli, M., Campbell, M., Canelli, F., Canepa, A., Carls, B., Carlsmith, D., Carosi, R., Carrillo, S., Carron, S., Casal, B., Casarsa, M., Castro, A., Catastini, P., Cauz, D., Cavaliere, V., Cavalli-Sforza, M., Cerri, A., Cerrito, L., Chen, Y., Chertok, M., Chiarelli, G., Chlachidze, G., Chlebana, F., Cho, K., Chokheli, D., Chou, J., Chung, W., Chung, Y., Ciobanu, C., Ciocci, M., Clark, A., Clark, D., Compostella, G., Convery, M., Conway, J., Corbo, M., Cordelli, M., Cox, C., Cox, D., Crescioli, F., Cuenca Almenar, C., Cuevas, J., Culbertson, R., Dagenhart, D., d’Ascenzo, N., Datta, M., de Barbaro, P., De Cecco, S., De Lorenzo, G., Dell’Orso, M., Deluca, C., Demortier, L., Deng, J., Deninno, M., Devoto, F., d’Errico, M., Di Canto, A., Di Ruzza, B., Dittmann, J., D’Onofrio, M., Donati, S., Dong, P., Dorigo, T., Ebina, K., Elagin, A., Eppig, A., Erbacher, R., Errede, D., Errede, S., Ershaidat, N., Eusebi, R., Fang, H., Farrington, S., Feindt, M., Fernandez, J., Ferrazza, C., Field, R., Flanagan, G., Forrest, R., Frank, M., Franklin, M., Freeman, J., Furic, I., Gallinaro, M., Galyardt, J., Garcia, J., Garfinkel, A., Garosi, P., Gerberich, H., Gerchtein, E., Giagu, S., Giakoumopoulou, V., Giannetti, P., Gibson, K., Ginsburg, C., Giokaris, N., Giromini, P., Giunta, M., Giurgiu, G., Glagolev, V., Glenzinski, D., Gold, M., Goldin, D., Goldschmidt, N., Golossanov, A., Gomez, G., Gomez-Ceballos, G., Goncharov, M., González, O., Gorelov, I., Goshaw, A., Goulianos, K., Gresele, A., Grinstein, S., Grosso-Pilcher, C., Group, R., Guimaraes da Costa, J., Gunay-Unalan, Z., Haber, C., Hahn, S., Halkiadakis, E., Hamaguchi, A., Han, J., Happacher, F., Hara, K., Hare, D., Hare, M., Harr, R., Hatakeyama, K., Hays, C., Heck, M., Heinrich, J., Herndon, M., Hewamanage, S., Hidas, D., Hocker, A., Hopkins, W., Horn, D., Hou, S., Hughes, R., Hurwitz, M., Husemann, U., Hussain, N., Hussein, M., Huston, J., Introzzi, G., Iori, M., Ivanov, A., James, E., Jang, D., Jayatilaka, B., Jeon, E., Jha, M., Jindariani, S., Johnson, W., Jones, M., Joo, K., Jun, S., Junk, T., Kamon, T., Karchin, P., Kato, Y., Ketchum, W., Keung, J., Khotilovich, V., Kilminster, B., Kim, D., Kim, H., Kim, H., Kim, J., Kim, M., Kim, S., Kim, S., Kim, Y., Kimura, N., Klimenko, S., Kondo, K., Kong, D., Konigsberg, J., Korytov, A., Kotwal, A., Kreps, M., Kroll, J., Krop, D., Krumnack, N., Kruse, M., Krutelyov, V., Kuhr, T., Kurata, M., Kwang, S., Laasanen, A., Lami, S., Lammel, S., Lancaster, M., Lander, R., Lannon, K., Lath, A., Latino, G., Lazzizzera, I., LeCompte, T., Lee, E., Lee, H., Lee, J., Lee, S., Leo, S., Leone, S., Lewis, J., Lin, C.-J., Linacre, J., Lindgren, M., Lipeles, E., Lister, A., Litvintsev, D., Liu, C., Liu, Q., Liu, T., Lockwitz, S., Lockyer, N., Loginov, A., Lucchesi, D., Lueck, J., Lujan, P., Lukens, P., Lungu, G., Lys, J., Lysak, R., Madrak, R., Maeshima, K., Makhoul, K., Maksimovic, P., Malik, S., Manca, G., Manousakis-Katsikakis, A., Margaroli, F., Marino, C., Martínez, M., Martínez-Ballarín, R., Mastrandrea, P., Mathis, M., Mattson, M., Mazzanti, P., McFarland, K., McIntyre, P., McNulty, R., Mehta, A., Mehtala, P., Menzione, A., Mesropian, C., Miao, T., Mietlicki, D., Mitra, A., Miyake, H., Moed, S., Moggi, N., Mondragon, M., Moon, C., Moore, R., Morello, M., Morlock, J., Movilla Fernandez, P., Mukherjee, A., Muller, T., Murat, P., Mussini, M., Nachtman, J., Nagai, Y., Naganoma, J., Nakano, I., Napier, A., Nett, J., Neu, C., Neubauer, M., Nielsen, J., Nodulman, L., Norniella, O., Nurse, E., Oakes, L., Oh, S., Oh, Y., Oksuzian, I., Okusawa, T., Orava, R., Ortolan, L., Pagan Griso, S., Pagliarone, C., Palencia, E., Papadimitriou, V., Paramonov, A., Patrick, J., Pauletta, G., Paulini, M., Paus, C., Pellett, D., Penzo, A., Phillips, T., Piacentino, G., Pianori, E., Pilot, J., Pitts, K., Plager, C., Pondrom, L., Potamianos, K., Poukhov, O., Prokoshin, F., Pronko, A., Ptohos, F., Pueschel, E., Punzi, G., Pursley, J., Rahaman, A., Ramakrishnan, V., Ranjan, N., Redondo, I., Renton, P., Rescigno, M., Rimondi, F., Ristori, L., Robson, A., Rodrigo, T., Rodriguez, T., Rogers, E., Rolli, S., Roser, R., Rossi, M., Ruffini, F., Ruiz, A., Russ, J., Rusu, V., Safonov, A., Sakumoto, W., Santi, L., Sartori, L., Sato, K., Saveliev, V., Savoy-Navarro, A., Schlabach, P., Schmidt, A., Schmidt, E., Schmidt, M., Schmitt, M., Schwarz, T., Scodellaro, L., Scribano, A., Scuri, F., Sedov, A., Seidel, S., Seiya, Y., Semenov, A., Sforza, F., Sfyrla, A., Shalhout, S., Shears, T., Shepard, P., Shimojima, M., Shiraishi, S., Shochet, M., Shreyber, I., Simonenko, A., Sinervo, P., Sissakian, A., Sliwa, K., Smith, J., Snider, F., Soha, A., Somalwar, S., Sorin, V., Squillacioti, P., Stanitzki, M., St Denis, R., Stelzer, B., Stelzer-Chilton, O., Stentz, D., Strologas, J., Strycker, G., Sudo, Y., Sukhanov, A., Suslov, I., Takemasa, K., Takeuchi, Y., Tang, J., Tecchio, M., Teng, P., Thom, J., Thome, J., Thompson, G., Thomson, E., Ttito-Guzmán, P., Tkaczyk, S., Toback, D., Tokar, S., Tollefson, K., Tomura, T., Tonelli, D., Torre, S., Torretta, D., Totaro, P., Trovato, M., Tu, Y., Turini, N., Ukegawa, F., Uozumi, S., Varganov, A., Vataga, E., Vázquez, F., Velev, G., Vellidis, C., Vidal, M., Vila, I., Vilar, R., Vogel, M., Volpi, G., Wagner, P., Wagner, R., Wakisaka, T., Wallny, R., Wang, S., Warburton, A., Waters, D., Weinberger, M., Wester, W., Whitehouse, B., Whiteson, D., Wicklund, A., Wicklund, E., Wilbur, S., Wick, F., Williams, H., Wilson, J., Wilson, P., Winer, B., Wittich, P., Wolbers, S., Wolfe, H., Wright, T., Wu, X., Wu, Z., Yamamoto, K., Yamaoka, J., Yang, T., Yang, U., Yang, Y., Yao, W.-M., Yeh, G., Yi, K., Yoh, J., Yorita, K., Yoshida, T., Yu, G., Yu, I., Yu, S., Yun, J., Zanetti, A., Zeng, Y., and Zucchelli, S.
• College/School: College of Science and Engineering > School of Physics and Astronomy
• Journal Name: Physical Review D
• Publisher: American Physical Society
• ISSN: 1550-7998
• ISSN (Online): 1089-4918

Project Code	Award No	Project Name	Principal Investigator	Funder's Name	Funder Ref	Lead Dept
39596	3	Experimental Particle Physics	Anthony Doyle	Science & Technologies Facilities Council (STFC)	ST/H001077/1	Physics and Astronomy