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Phys Rev Lett. 2000 Jun 19;84(25):5704-9. doi: 10.1103/PhysRevLett.84.5704.

Search for scalar top and scalar bottom quarks in pp collisions at square root s=1.8 TeV.

Physical review letters

T Affolder, H Akimoto, A Akopian, M G Albrow, P Amaral, S R Amendolia, D Amidei, K Anikeev, J Antos, G Apollinari, T Arisawa, T Asakawa, W Ashmanskas, M Atac, F Azfar, P Azzi-Bacchetta, N Bacchetta, M W Bailey, S Bailey, P de Barbaro, A Barbaro-Galtieri, V E Barnes, B A Barnett, M Barone, G Bauer, F Bedeschi, S Belforte, G Bellettini, J Bellinger, D Benjamin, J Bensinger, A Beretvas, J P Berge, J Berryhill, S Bertolucci, B Bevensee, A Bhatti, C Bigongiari, M Binkley, D Bisello, R E Blair, C Blocker, K Bloom, B Blumenfeld, B S Blusk, A Bocci, A Bodek, W Bokhari, G Bolla, Y Bonushkin, D Bortoletto, J Boudreau, A Brandl, S van den Brink, C Bromberg, M Brozovic, N Bruner, E Buckley-Geer, J Budagov, H S Budd, K Burkett, G Busetto, A Byon-Wagner, K L Byrum, M Campbell, A Caner, W Carithers, J Carlson, D Carlsmith, J Cassada, A Castro, D Cauz, A Cerri, A W Chan, P S Chang, P T Chang, J Chapman, C Chen, Y C Chen, M T Cheng, M Chertok, G Chiarelli, I Chirikov-Zorin, G Chlachidze, F Chlebana, L 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Miao, R Miller, J S Miller, H Minato, S Miscetti, M Mishina, N Moggi, E Moore, R Moore, Y Morita, A Mukherjee, T Muller, A Munar, P Murat, S Murgia, M Musy, J Nachtman, S Nahn, H Nakada, T Nakaya, I Nakano, C Nelson, D Neuberger, C Newman-Holmes, C Y Ngan, P Nicolaidi, H Niu, L Nodulman, A Nomerotski, S H Oh, T Ohmoto, T Ohsugi, R Oishi, T Okusawa, J Olsen, C Pagliarone, F Palmonari, R Paoletti, V Papadimitriou, S P Pappas, A Parri, D Partos, J Patrick, G Pauletta, M Paulini, C Paus, A Perazzo, L Pescara, T J Phillips, G Piacentino, K T Pitts, R Plunkett, A Pompos, L Pondrom, G Pope, M Popovic, F Prokoshin, J Proudfoot, F Ptohos, G Punzi, K Ragan, A Rakitine, D Reher, A Reichold, W Riegler, A Ribon, F Rimondi, L Ristori, W J Robertson, A Robinson, T Rodrigo, S Rolli, L Rosenson, R Roser, R Rossin, W K Sakumoto, D Saltzberg, A Sansoni, L Santi, H Sato, P Savard, P Schlabach, E E Schmidt, M P Schmidt, M Schmitt, L Scodellaro, A Scott, A Scribano, S Segler, S Seidel, Y Seiya, A Semenov, F Semeria, T Shah, M D Shapiro, P F Shepard, T Shibayama, M Shimojima, M Shochet, J Siegrist, G Signorelli, A Sill, P Sinervo, P Singh, A J Slaughter, K Sliwa, C Smith, F D Snider, A Solodsky, J Spalding, T Speer, P Sphicas, F Spinella, M Spiropulu, L Spiegel, L Stanco, J Steele, A Stefanini, J Strologas, F Strumia, D Stuart, K Sumorok, T Suzuki, R Takashima, K Takikawa, M Tanaka, T Takano, B Tannenbaum, W Taylor, M Tecchio, P K Teng, K Terashi, S Tether, D Theriot, R Thurman-Keup, P Tipton, S Tkaczyk, K Tollefson, A Tollestrup, H Toyoda, W Trischuk, J F de Troconiz, S Truitt, J Tseng, N Turini, F Ukegawa, J Valls, S Vejcik, G Velev, R Vidal, R Vilar, I Vologouev, D Vucinic, R G Wagner, R L Wagner, J Wahl, N B Wallace, A M Walsh, C Wang, C H Wang, M J Wang, T Watanabe, D Waters, T Watts, R Webb, H Wenzel, W C Wester, A B Wicklund, E Wicklund, H H Williams, P Wilson, B L Winer, D Winn, S Wolbers, D Wolinski, J Wolinski, S Worm, X Wu, J Wyss, A Yagil, W Yao, G P Yeh, P Yeh, J Yoh, C Yosef, T Yoshida, I Yu, S Yu, A Zanetti, F Zetti, S Zucchelli

Affiliations

  1. Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.

PMID: 10991036 DOI: 10.1103/PhysRevLett.84.5704

Abstract

We have searched for direct pair production of scalar top and scalar bottom quarks in 88 pb-1 of pp collisions at sqrt[s]=1.8 TeV with the CDF detector. We looked for events with a pair of heavy flavor jets and missing energy, consistent with scalar top (bottom) quark decays to a charm (bottom) quark and a neutralino. The numbers of events that pass our selections show no significant deviation from standard model expectations. We compare our results to the next-to-leading order scalar quark production cross sections to exclude regions in scalar quark-neutralino mass parameter space.

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