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Search for scalar bottom quark pair production with the ATLAS detector in pp Collisions at sqrt{s} = 7 TeV

G. Aad S. Albrand 1 M.L. Andrieux 1 Q. Buat 1 B. Clement 1 J. Collot 1 S. Crépé-Renaudin 1 T. Delemontex 1 P.A. Delsart 1 M.H. Genest 1 J.Y. Hostachy 1 E. Laisne 1 F. Ledroit-Guillon 1 A. Lleres 1 A. Lucotte 1 F. Malek 1 P. Martin 1 F. Polci 1 J. Stark 1 X. Sun 1 B. Trocmé 1 J. Wang 1 C. Weydert 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 L. Aperio Bella 3 B. Aubert 3 N. Berger 3 J. Colas 3 M. Delmastro 3 L. Di Ciaccio 3 T.K.O. Doan 3 S. Elles 3 P. Ghez 3 C. Goy 3 L. Helary 3 T. Hryn'Ova 3 A. Jérémie 3 S. Jézéquel 3 M. Kataoka 3 J. Labbe 3 R. Lafaye 3 J. Leveque 3 V.P. Lombardo 3 N. Massol 3 P. Perrodo 3 E. Petit 3 H. Przysiezniak 3 G. Sauvage 3 E. Sauvan 3 M. Schwoerer 3 T. Todorov 3 D. Tsionou 3 I. Wingerter-Seez 3 R. Zitoun 3 Y. Zolnierowski 3 H. Abreu 4 N. Andari 4 C. Arnault 4 E. Augé 4 P. Barrillon 4 M. Benoit S. Binet 4 J.-B. Blanchard 4 C. Bourdarios 4 D. Breton 4 C. Collard 4 C. de la Taille 4 J.B. de Vivie de Regie 4 S. Diglio 4 L. Duflot 4 M. Escalier 4 A.C. Falou 4 L. Fayard 4 D. Fournier 4 J.-F. Grivaz 4 M. Heller 4 S. Henrot-Versillé 4 J. Hrivnac 4 L. Iconomidou-Fayard 4 J. Idarraga 4 M. Kado 4 A. Lounis 4 N. Makovec 4 P. Matricon 4 F. Niedercorn 4 L. Poggioli 4 P. Puzo 4 A. Renaud 4 D. Rousseau 4 X. Ruan 4 G. Rybkin 4 J.B. Sauvan 4 J. Schaarschmidt 4 A.C. Schaffer 4 L. Serin 4 S. Simion 4 R. Tanaka 4 J.J. Veillet 4 I. Vukotic 4 F. Wicek 4 D. Zerwas 4 Zhiqing Zhang 4 T. Beau 5 S. Bordoni 5 G. Calderini 5 A. Camard 5 P. Cavalleri 5 E. Chareyre 5 S. de Cecco 5 F. Derue 5 D. Imbault 5 M.W. Krasny 5 D. Lacour 5 B. Laforge 5 O. Le Dortz 5 J. Lellouch 5 G. Marchiori 5 I. Nikolic-Audit 5 J. Ocariz 5 M. Ridel 5 L. Roos 5 Ph. Schwemling 5 Timothée Theveneaux-Pelzer 5 S. Trincaz-Duvoid 5 T.N. Trinh 5 F. Vannucci 6 D. Boumediene 7 Emmanuel Busato 7 D. Calvet 7 S. Calvet 7 Reina Coromoto Camacho Toro 7 Diane Cinca 8 J. Donini 7 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 C. Bertella 9 N. Bousson 9 J. C. Clémens 9 Y. Coadou 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 J. Maurer 9 E. Monnier 9 J. Odier 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
Abstract : The results of a search for pair production of the scalar partners of bottom quarks in 2.05 fb^-1 of pp collisions at sqrt{s} = 7 TeV using the ATLAS experiment are reported. Scalar bottoms are searched for in events with large missing transverse momentum and two jets in the final state, where both jets are identified as originating from a b-quark. In an R-parity conserving minimal supersymmetric scenario, assuming that the scalar bottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits are obtained in the tilde{b}_1 - tilde{chi}^0_1 mass plane such that for neutralino masses below 60 GeV scalar bottom masses up to 390 GeV are excluded.
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Submitted on : Monday, December 19, 2011 - 8:58:24 AM
Last modification on : Monday, January 4, 2021 - 12:14:17 PM

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G. Aad, S. Albrand, M.L. Andrieux, Q. Buat, B. Clement, et al.. Search for scalar bottom quark pair production with the ATLAS detector in pp Collisions at sqrt{s} = 7 TeV. Physical Review Letters, American Physical Society, 2012, 108, pp.181802. ⟨10.1103/PhysRevLett.108.181802⟩. ⟨in2p3-00653193⟩

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