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Search for supersymmetry in pp collisions at sqrt{s} = 7TeV in final states with missing transverse momentum and b-jets

G. Aad L. Aperio-Bella 1 B. Aubert 1 M. Aurousseau 1 N. Berger 1 J. Colas 1 L. Di Ciaccio 1 T.K.O. Doan 1 S. Elles 1 P. Ghez 1 M. Gouanere 1 C. Goy 1 T. Guillemin 1 L. Helary 1 T. Hryn'Ova 1 G. Ionescu 1 A. Jeremie 1 S. Jézéquel 1 M. Kataoka 1 J. Labbe 1 R. Lafaye 1 Jérémy Lévêque 1 N. Massol 1 P. Perrodo 1 H. Przysiezniak 1 G. Sauvage 1 T. Todorov 1 D. Tsionou 1 I. Wingerter-Seez 1 R. Zitoun 1 Y. Zolnierowski 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 H. Bachacou 3 F. Bauer 3 N. Besson 3 M. Boonekamp 3 L. Chevalier 3 J. Ernwein 3 A.I. Etienvre 3 A. Formica 3 L. Gauthier 3 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. Lenzi 3 B. Mansoulie 3 J.-P. Meyer 3 N. Morange 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 Emmanuel Busato 4 D. Calvet 4 S. Calvet 4 Reina Coromoto Camacho Toro 4 Diane Cinca 5 R. Febbraro 4 N. Ghodbane 4 C. Guicheney 4 D. Pallin 4 F. Podlyski 4 C. Santoni 4 L. P. Says 4 F. Vazeille 4 S. Viret 4 S. Albrand 6 M.L. Andrieux 6 B. Clement 6 J. Collot 6 S. Crépé-Renaudin 6 P. de Saintignon 6 P.A. Delsart 6 J. Donini 6 D. Dzahini 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 P.L.Y. Gris 4 H. Abreu 7 C. Arnault 7 E. Augé 7 P. Barrillon 7 M. Benoit 7 S. Binet 7 J.-B. Blanchard 7 C. Bourdarios 7 D. Breton 7 C. Collard 7 C. de la Taille 7 J.B. de Vivie de Regie 7 S. Diglio 7 F. Dudziak 7 L. Duflot 7 M. Escalier 7 A.C. Falou 7 L. Fayard 7 D. Fournier 7 J.-F. Grivaz 7 M. Heller 7 S. Henrot-Versillé 7 J. Hrivnac 7 L. Iconomidou-Fayard 7 J. Idarraga 7 M. Kado 7 A. Lounis 7 N. Makovec 7 P. Matricon 7 Y. Nakahama 7 F. Niedercorn 7 L. Poggioli 7 P. Puzo 7 A. Renaud 7 D. Rousseau 7 X. Ruan 7 G. Rybkin 7 J.B. Sauvan 7 J. Schaarschmidt 7 A.C. Schaffer 7 L. Serin 7 S. Simion 7 R. Tanaka 7 D. Varouchas 7 J.J. Veillet 7 I. Vukotic 7 F. Wicek 7 D. Zerwas 7 Zhiqing Zhang 7 S. Aoun 8 C. P. Bee 8 C. Benchouk 8 K. Bernardet 8 N. Boussons 8 J. C. Clèmens 8 Y. Coadou 8 P. Delpierre 8 F. Djama 8 F. Etienne 8 L. Feligioni 8 F. Henry- Couannier 8 D. Hoffmann 8 F. Hubaut 8 E. B. F. G. Knoops 8 E. Le Guirriec 8 B. Li 8 E. Monnier 8 J. Odier 8 E. Petit 8 P. Pralavorio 8 Z. Qian 8 A. Rozanov 8 M. Talby 8 N. Tannoury 8 S. Tisserant 8 J. Toth 8 F. Touchard 8 L. Vacavant 8
Abstract : Results are presented of a search for supersymmetric particles in events with large missing transverse momentum and at least one heavy flavour jet candidate in sqrt{s} = 7 TeV proton-proton collisions. In a data sample corresponding to an integrated luminosity of 35 pb-1 recorded by the ATLAS experiment at the Large Hadron Collider, no significant excess is observed with respect to the prediction for Standard Model processes. For R-parity conserving models in which sbottoms (stops) are the only squarks to appear in the gluino decay cascade, gluino masses below 590 GeV (520 GeV) are excluded at the 95% C.L. The results are also interpreted in an MSUGRA/CMSSM supersymmetry breaking scenario with tan(beta)=40 and in an SO(10) model framework.
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Submitted on : Monday, March 28, 2011 - 5:12:15 PM
Last modification on : Wednesday, September 16, 2020 - 4:26:50 PM

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G. Aad, L. Aperio-Bella, B. Aubert, M. Aurousseau, N. Berger, et al.. Search for supersymmetry in pp collisions at sqrt{s} = 7TeV in final states with missing transverse momentum and b-jets. Physics Letters B, Elsevier, 2011, 701, pp.398-416. ⟨10.1016/j.physletb.2011.06.015⟩. ⟨in2p3-00580618⟩

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