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Search for the Supersymmetric Partner of the Top Quark in Dilepton Events frompp¯Collisions ats=1.8 TeV

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 24 Jun 2003Embargo end date: 01 Jan 2003 Italy, Switzerland, Cyprus, Italy Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 90 (issn: 0031-9007, eissn: 1079-7114,

Authors: Acosta, D.; Affolder, T.; Akimoto, H.; Albrow, M. G.; Ambrose, D.; Amidei, D.; Anikeev, K.; +193 Authors

Acosta, D.; Affolder, T.; Akimoto, H.; Albrow, M. G.; Ambrose, D.; 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.; Badgett, W.; Bailey, S.; de Barbaro, P.; Barbaro-Galtieri, A.; Barnes, V. E.; Barnett, B. A.; Baroiant, S.; Barone, M.; Bauer, G.; Bedeschi, F.; Behari, S.; Belforte, S.; Bell, W. H.; Bellettini, G.; Bellinger, J.; Benjamin, D.; Bensinger, J.; Beretvas, Andrew; Berryhill, J.; Bhatti, A.; Binkley, M.; Bisello, D.; Bishai, M.; Blair, R. E.; Blocker, C.; Bloom, K.; Blumenfeld, B.; Blusk, S. R.; Bocci, A.; Bodek, A.; Bolla, G.; Bolshov, A.; Bonushkin, Yu Ye; Bortoletto, D.; Boudreau, J.; Brandl, A.; Bromberg, C.; Brozovic, M.; Brubaker, E.; Bruner, N.; Budagov, J.; Budd, H. S.; Burkett, K.; Busetto, G.; Byrum, K. L.; Cabrera, S.; Calafiura, P.; Campbell, M.; Carithers, W.; Carlson, J.; Carlsmith, D.; Caskey, W.; Castro, A.; Cauz, D.; Cerri, A.; Cerrito, L.; Chan, A. W.; Chang, P. S.; Chang, P. T.; Chapman, J.; Chen, C.; Chen, Y. C.; Cheng, M. -T; Chertok, M.; Chiarelli, G.; Chirikov-Zorin, I.; Chlachidze, G.; Chlebana, F.; Christofek, L.; Chu, M. L.; Chung, J. Y.; Chung, W. H.; Chung, Y. S.; Ciobanu, C. I.; Clark, A. G.; Coca, M.; Colijn, A. P.; Connolly, A.; Convery, M.; Conway, J.; Cordelli, M.; Cranshaw, J.; Culbertson, R.; Dagenhart, D.; D'Auria, S.; de Cecco, S.; DeJongh, F.; Dell'Agnello, Simone; Dell'Orso, M.; Demers, S.; Demortier, L.; Deninno, M.; de Pedis, D.; Derwent, P. F.; Devlin, T.; Dionisi, Carlo; Dittmann, J. R.; Dominguez, A.; Donati, S.; D'Onofrio, M.; Dorigo, T.; Eddy, N.; Einsweiler, K.; Engels Jr., E.; Erbacher, R.; Errede, D.; Errede, S.; Eusebi, R.; Fan, Q.; Farrington, S.; Feild, R. G.; Fernandez, J. P.; Ferretti, C.; Field, R. D.; Fiori, I.; Flaugher, B.; Flores-Castillo, L. R.; Foster, G. W.; Franklin, M.; Freeman, J.; Friedman, J.; Fukui, Y.; Furic, I.; Galeotti, S.; Gallas, A.; Gallinaro, M.; Gao, T.; Garcia-Sciveres, M.; Garfinkel, A. F.; Gatti, P.; Gay, C.; Gerdes, D. W.; Gerstein, E.; Giagu, S.; Giannetti, P.; Giolo, K.; Giordani, M.; Giromini, P.; Glagolev, V.; Glenzinski, D.; Gold, M.; Goldschmidt, N.; Goldstein, J.; Gomez, G.; Goncharov, M.; Gorelov, I.; Goshaw, A. T.; Gotra, Y.; Goulianos, Konstantin; Green, C.; Gresele, A.; Grim, G.; Grosso-Pilcher, C.; Guenther, M.; Guillian, G.; Guimaraes da Costa, J.; Haas, R. M.; Haber, C.; Hahn, S. R.; Halkiadakis, Eva; Hall, C.; Handa, T.; Handler, R.; Happacher, F.; Hara, K.; Hardman, A. D.; Harris, R. M.; Hartmann, F.; Hatakeyama, K.; Hauser, J.; Heinrich, J.; Heiss, A.; Hennecke, M.; Herndon, M.; Hill, C.; Hocker, A.; Hoffman, K. D.; Hollebeek, R.; Holloway, L.; Hou, S.; Huffman, B. T.; Hughes, R.; Huston, J.;

doi: 10.1103/physrevlett.90.251801 , 10.48550/arxiv.hep-ex/0302009

arXiv: http://arxiv.org/abs/hep-ex/0302009 , hep-ex/0302009

handle: 11390/1111666 , 11580/25184

Search for the Supersymmetric Partner of the Top Quark in Dilepton Events frompp¯Collisions ats=1.8 TeV

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Abstract

We have searched for the supersymmetric partner of the top quark (stop) in 107 pb^{-1} of p-pbar collisions at \sqrt{s}= 1.8 TeV collected by the Collider Detector at Fermilab (CDF). Within the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM) each of the pair-produced stops is assumed to decay into a lepton, bottom quark and supersymmetric neutrino. Such a scenario would give rise to events with two leptons, two hadronic jets, and a substantial imbalance of transverse energy. No evidence of such a stop signal has been found. We calculate a 95% confidence level (C.L.) upper limit on the stop production cross section, which excludes stop masses in the region (80

7 pages, 5 figures. Submitted to Physical Review Letters

Countries

Italy, Switzerland, Cyprus, Italy

Related Organizations

University of Chicago
United States
Seoul National University
Korea (Republic of)
Roma Tre University
Italy
Purdue University West Lafayette
United States
University of Geneva
Switzerland

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Keywords

Eigenvalues and eigenfunctions, Kinematics, FOS: Physical sciences, Molecular dynamics, info:eu-repo/classification/ddc/500.2, High Energy Physics - Experiment, Physics and Astronomy (all), High Energy Physics - Experiment (hep-ex), Colliding beam accelerators, Energy transfer, Supersymmetric partners, Quantum theory, ddc: ddc:500.2

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