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Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

G. Aad T. Beau 1 S. Bordoni 1 G. Calderini 1 A. Camard 1 P. Cavalleri 1 E. Chareyre 1 S. de Cecco 1 F. Derue 1 D. Imbault 1 M.W. Krasny 1 D. Lacour 1 B. Laforge 1 O. Le Dortz 1 J. Lellouch 1 G. Marchiori 1 I. Nikolic-Audit 1 J. Ocariz 1 M. Ridel 1 L. Roos 1 Ph. Schwemling 1 Timothée Theveneaux-Pelzer 1 S. Trincaz-Duvoid 1 T.N. Trinh 1 F. Vannucci 2 H. Bachacou 3 F. Bauer 3 N. Besson 3 N.M. Bolnet 3 M. Boonekamp 3 L. Chevalier 3 J. Ernwein 3 A.I. Etienvre 3 A. Formica 3 L. Gauthier 3 P.F. Giraud 3 C. Guyot 3 S. Hassani 3 W. Kozanecki 3 E. Lancon 3 J.F. Laporte 3 E. Le Menedeu 3 M. Legendre 3 B. Mansoulie 3 J.-P. Meyer 3 N. Morange 3 E. Mountricha 3 R. Nicolaidou 3 A. Ouraou 3 D.M. Pomarede 3 B. Resende 3 C.R. Royon 3 Ph. Schune 3 J. Schwindling 3 O. Simard 3 M. Virchaux 3 C. Biscarat 4 E. Cogneras 4 G. Rahal 4 L. Aperio Bella 5 B. Aubert 5 N. Berger 5 J. Colas 5 L. Di Ciaccio 5 T.K.O. Doan 5 S. Elles 5 P. Ghez 5 M. Gouanère 5 C. Goy 5 T. Guillemin 5 L. Helary 5 T. Hryn'Ova 5 G. Ionescu 5 A. Jérémie 5 S. Jézéquel 5 M. Kataoka 5 J. Labbe 5 R. Lafaye 5 J. Leveque 5 V.P. Lombardo 5 N. Massol 5 P. Perrodo 5 H. Przysiezniak 5 G. Sauvage 5 E. Sauvan 5 T. Todorov 5 D. Tsionou 5 I. Wingerter-Seez 5 R. Zitoun 5 Y. Zolnierowski 5 S. Albrand 6 M.L. Andrieux 6 B. Clement 6 J. Collot 6 S. Crépé-Renaudin 6 P.A. Delsart 6 J. Donini 6 J.Y. Hostachy 6 E. Laisne 6 F. Ledroit-Guillon 6 A. Lleres 6 A. Lucotte 6 F. Malek 6 P. Martin 6 F. Polci 6 J. Stark 6 X. Sun 6 B. Trocmé 6 C. Weydert 6 Emmanuel Busato 7 D. Calvet 7 S. Calvet 7 Reina Coromoto Camacho Toro 7 Diane Cinca 8 R. Febbraro 7 N. Ghodbane 7 C. Guicheney 7 H. Liao 7 D. Pallin 7 F. Podlyski 7 C. Santoni 7 L. P. Says 7 F. Vazeille 7 S. Aoun 9 C. P. Bee 9 C. Benchouk 9 K. Bernardet 9 N. Bousson 9 J. C. Clémens 9 Y. Coadou 9 P. Delpierre 9 F. Djama 9 F. Etienne 9 L. Feligioni 9 F. Henry-Couannier 9 D. Hoffmann 9 F. Hubaut 9 E.B. F. G. Knoops 9 E. Le Guirriec 9 B. Li 9 E. Monnier 9 J. Odier 9 E. Petit 9 P. Pralavorio 9 Z. Qian 9 A. Rozanov 9 M. Talby 9 N. Tannoury 9 S. Tisserant 9 J. Toth 9 F. Touchard 9 L. Vacavant 9 H. Abreu 10 N. Andari 10 C. Arnault 10 E. Augé 10 P. Barrillon 10 M. Benoit 10 S. Binet 10 J.-B. Blanchard 10 C. Bourdarios 10 D. Breton 10 C. Collard 11 C. de la Taille 10 J.B. de Vivie de Regie 10 S. Diglio 10 L. Duflot 10 M. Escalier 10 A.C. Falou 10 L. Fayard 10 D. Fournier 10 J.-F. Grivaz 10 M. Heller 10 S. Henrot-Versillé 10 J. Hrivnac 10 L. Iconomidou-Fayard 10 J. Idarraga 10 M. Kado 10 A. Lounis 10 N. Makovec 10 P. Matricon 10 F. Niedercorn 10 L. Poggioli 10 P. Puzo 10 A. Renaud 10 D. Rousseau 10 X. Ruan 10, 12 G. Rybkin 10 J.B. Sauvan 10 J. Schaarschmidt 10 A.C. Schaffer 10 L. Serin 10 S. Simion 10 R. Tanaka 10 J.J. Veillet 10 I. Vukotic 10 F. Wicek 10 D. Zerwas 10 Zhiqing Zhang 10
Abstract : A search for squarks and gluinos in events containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2011 by the ATLAS experiment in sqrt(s)=7 TeV proton-proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation is observed in 1.04 fb^-1 of data. Gluino and squark masses below 700 GeV and 875 GeV respectively are excluded at the 95% confidence level in simplified models containing only squarks of the first two generations, a gluino octet and a massless neutralino. The exclusion limit increases to 1075 GeV for squarks and gluinos of equal mass. In MSUGRA/CMSSM models with tan(beta)=10, A_0=0 and mu> 0, squarks and gluinos of equal mass are excluded for masses below 950 GeV. These limits extend the region of supersymmetric parameter space excluded by previous measurements.
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Submitted on : Friday, September 30, 2011 - 11:35:01 AM
Last modification on : Wednesday, September 23, 2020 - 4:38:57 AM

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G. Aad, T. Beau, S. Bordoni, G. Calderini, A. Camard, et al.. Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions. Physics Letters B, Elsevier, 2012, 710, pp.67-85. ⟨10.1016/j.physletb.2012.02.051⟩. ⟨in2p3-00628037⟩

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