Search for pair production of the scalar top quark in muon plus tau final states

M, Abazov V; Abbott, B; S, Acharya B; Adams, M; Adams, T; D, Alexeev G; Alkhazov, G; Alton, A; Alverson, G; Aoki, M; Askew, A; Asman, B; Atkins, S; Atramentov, O; Augsten, K; Avila, C; BackusMayes, J; Badaud, F; Bagby, L; Baldin, B; V, Bandurin D; Banerjee, S; Barberis, E; Baringer, P; Barreto, J; F, Bartlett J; Bassler, U; Bazterra, V; Bean, A; Begalli, M; Belanger-Champagne, C; Bellantoni, L; B, Beri S; Bernardi, G; Bernhard, R; Bertram, I; Besancon, M; Beuselinck, R; A, Bezzubov V; C, Bhat P; Bhatia, S; Bhatnagar, V; Blazey, G; Blessing, S; Bloom, K; Boehnlein, A; Boline, D; E, Boos E; Borissov, G; Bose, T; Brandt, A; Brandt, O; Brock, R; Brooijmans, G; Bross, A; Brown, D; Brown, J; B, Bu X; Buehler, M; Buescher, V; Bunichev, V; Burdin, S; H, Burnett T; P, Buszello C; Calpas, B; Camacho-Perez, E; A, Carrasco-Lizarraga M; C K, Casey B; Castilla-Valdez, H; Chakrabarti, S; Chakraborty, D; M, Chan K; Chandra, A; Chapon, E; Chen, G; Chevalier-Thery, S; K, Cho D; W, Cho S; Choi, S; Choudhary, B; Cihangir, S; Claes, D; Clutter, J; Cooke, M; E, Cooper W; Corcoran, M; Couderc, F; -C, Cousinou M; Croc, A; Cutts, D; Das, A; Davies, G; S J, de Jong; Cruz-Burelo E, De La; Deliot, F; Demina, R; Denisov, D; P, Denisov S; Desai, S; Deterre, C; DeVaughan, K; T, Diehl H; Diesburg, M; F, Ding P; Dominguez, A; Dorland, T; Dubey, A; V, Dudko L; Duggan, D; Duperrin, A; Dutt, S; Dyshkant, A; Eads, M; Edmunds, D; Ellison, J; D, Elvira V; Enari, Y; Evans, H; Evdokimov, A; N, Evdokimov V; Facini, G; Ferbel, T; Fiedler, F; Filthaut, F; Fisher, W; E, Fisk H; Fortner, M; Fox, H; Fuess, S; Garcia-Bellido, A; A, Garcia-Guerra G; Gavrilov, V; Gay, P; Geng, W; Gerbaudo, D; E, Gerber C; Gershtein, Y; Ginther, G; Golovanov, G; Goussiou, A; D, Grannis P; Greder, S; Greenlee, H; D, Greenwood Z; M, Gregores E; Grenier, G; Gris, Ph; -F, Grivaz J; Grohsjean, A; Gruenendahl, S; W, Gruenewald M; Guillemin, T; Gutierrez, G; Gutierrez, P; Haas, A; Hagopian, S; Haley, J; Han, L; Harder, K; Harel, A; M, Hauptman J; Hays, J; Head, T; Hebbeker, T; Hedin, D; Hegab, H; P, Heinson A; Heintz, U; Hensel, C; Cruz I, Heredia-De La; Herner, K; Hesketh, G; D, Hildreth M; Hirosky, R; Hoang, T; D, Hobbs J; Hoeneisen, B; Hohlfeld, M; Hubacek, Z; Hynek, V; Iashvili, I; Ilchenko, Y; Illingworth, R; S, Ito A; Jabeen, S; Jaffre, M; Jamin, D; Jayasinghe, A; Jesik, R; Johns, K; Johnson, M; Jonckheere, A; Jonsson, P; Joshi, J; W, Jung A; Juste, A; Kaadze, K; Kajfasz, E; Karmanov, D; A, Kasper P; Katsanos, I; Kehoe, R; Kermiche, S; Khalatyan, N; Khanov, A; Kharchilava, A; N, Kharzheev Y; M, Kohli J; V, Kozelov A; Kraus, J; Kulikov, S; Kumar, A; Kupco, A; Kurca, T; A, Kuzmin V; Lammers, S; Landsberg, G; Lebrun, P; S, Lee H; W, Lee S; M, Lee W; Lellouch, J; Li, H; Li, L; Z, Li Q; M, Lietti S; K, Lim J; Lincoln, D; Linnemann, J; V, Lipaev V; Lipton, R; Liu, Y; Lobodenko, A; Lokajicek, M; Sa R, Lopes de; J, Lubatti H; Luna-Garcia, R; L, Lyon A; K A, Maciel A; Mackin, D; Madar, R; Magana-Villalba, R; Malik, S; L, Malyshev V; Maravin, Y; Martinez-Ortega, J; McCarthy, R; L, McGivern C; M, Meijer M; Melnitchouk, A; Menezes, D; G, Mercadante P; Merkin, M

doi:10.1016/j.physletb.2012.03.028

Title: Search for pair production of the scalar top quark in muon plus tau final states

Journal Article · Fri Apr 20 00:00:00 EDT 2012 · Physics Letters B

DOI:https://doi.org/10.1016/j.physletb.2012.03.028· OSTI ID:1043417

M, Abazov V; Abbott, B; S, Acharya B; Adams, M; Adams, T; D, Alexeev G; Alkhazov, G; Alton, A; Alverson, G; Aoki, M; Askew, A; Asman, B; Atkins, S; Atramentov, O; Augsten, K; Avila, C; BackusMayes, J; Badaud, F; Bagby, L; Baldin, B more »

Here, we present a search for the pair production of scalar top quarks ($$\sim\atop{t}$$₁), the lightest supersymmetric partners of the top quarks, in $$p\bar{p}$$ collisions at a center-of-mass energy of 1.96 TeV, using data corresponding to an integrated luminosity of 7.3fb^-1 collected with the D0 experiment at the Fermilab Tevatron Collider. Each scalar top quark is assumed to decay into a b quark, a charged lepton, and a scalar neutrino (ν˜). We investigate final states arising from$$\sim\atop{t}$$₁ $$≂\atop{t}$$₁→$$b\bar{b}$$ μτ$$\sim\atop{v}$$$$\sim\atop{v}$$ and $$\sim\atop{t}$$₁$$≂\atop{t}$$₁→$$b\bar{b}$$ ττ$$\sim\atop{v}$$$$\sim\atop{v}$$. With no significant excess of events observed above the background expected from the standard model, we set exclusion limits on this production process in the (m$$\sim\atop{t}$$₁, m$$\sim\atop{v}$$) plane.

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Research Organization:: Brookhaven National Lab. (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

DOE Contract Number:: AC02-98CH10886

OSTI ID:: 1043417

Report Number(s):: BNL-98089-2012-JA; PYLBAJ; KA1101021; TRN: US1203147

Journal Information:: Physics Letters B, Vol. 710, Issue 4-5; ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

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