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Search for third generation scalar leptoquarks in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector

G. Aad S. Aoun 1 C. P. Bee 1 C. Bertella 1 N. Bousson 1 J. C. Clémens 1 Y. Coadou 1 F. Djama 1 F. Etienne 1 L. Feligioni 1 D. Hoffmann 1 F. Hubaut 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 B. Li 1 J. Maurer 1 E. Monnier 1 J. Odier 1 P. Pralavorio 1 A. Rozanov 1 M. Talby 1 N. Tannoury 1 E. Tiouchichine 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 M. Ughetto 1 L. Vacavant 1 L. Aperio Bella 2 B. Aubert 2 N. Berger 2 J. Colas 2 M. Delmastro 2 L. Di Ciaccio 2 T.K.O. Doan 2 S. Elles 2 C. Goy 2 T. Hryn'Ova 2 S. Jézéquel 2 M. Kataoka 2 R. Lafaye 2 J. Leveque 2 V.P. Lombardo 2 N. Massol 2 P. Perrodo 2 E. Petit 2 H. Przysiezniak 2 E. Richter-Was 2 G. Sauvage 2 E. Sauvan 2 M. Schwoerer 2 T. Todorov 2 D. Tsionou 2 I. Wingerter-Seez 2 R. Zitoun 2 C. Biscarat 3 G. Rahal 3 S. Albrand 4 M.L. Andrieux 4 Q. Buat 4 B. Clement 4 J. Collot 4 S. Crépé-Renaudin 4 B. Dechenaux 4 T. Delemontex 4 P.A. Delsart 4 M.H. Genest 4 J.Y. Hostachy 4 E. Laisne 4 F. Ledroit-Guillon 4 A. Lleres 4 A. Lucotte 4 F. Malek 4 C. Monini 4 J. Stark 4 X. Sun 4 B. Trocmé 4 C. Weydert 4 S. Abdel Khalek 5 N. Andari 5 E. Augé 5 M. Benoit 5 S. Binet 5 C. Bourdarios 5 C. de la Taille 5 J.B. de Vivie de Regie 5 L. Duflot 5 M. Escalier 5 L. Fayard 5 D. Fournier 5 J.-F. Grivaz 5 S. Henrot-Versillé 5 J. Hrivnac 5 L. Iconomidou-Fayard 5 J. Idarraga 5 M. Kado 5 N. Lorenzo Martinez 5 A. Lounis 5 N. Makovec 5 F. Niedercorn 5 L. Poggioli 5 P. Puzo 5 A. Renaud 5 D. Rousseau 5 G. Rybkin 5 J.B. Sauvan 5 J. Schaarschmidt 5 A.C. Schaffer 5 L. Serin 5 S. Simion 5 R. Tanaka 5 M. Teinturier 5 J.J. Veillet 5 D. Zerwas 5 Zhiqing Zhang 5 D. Boumediene 6 Emmanuel Busato 6 D. Calvet 6 S. Calvet 6 Reina Coromoto Camacho Toro 6 Diane Cinca 7 J. Donini 6 Ph. Gris 6 N. Ghodbane 6 C. Guicheney 6 H. Liao 6 D. Pallin 6 Daniela Paredes Hernández 6 F. Podlyski 6 C. Santoni 6 F. Vazeille 6
Abstract : A search for pair-produced third generation scalar leptoquarks is presented, using proton-proton collisions at sqrt(s)= 7 TeV at the LHC. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.7 fb-1. Each leptoquark is assumed to decay to a tau lepton and a b-quark with a branching fraction equal to 100%. No statistically significant excess above the Standard Model expectation is observed. Third generation leptoquarks are therefore excluded at 95% confidence level for masses less than 534 GeV.
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G. Aad, S. Aoun, C. P. Bee, C. Bertella, N. Bousson, et al.. Search for third generation scalar leptoquarks in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector. Journal of High Energy Physics, Springer, 2013, 06, pp.033. ⟨10.1007/JHEP06(2013)033⟩. ⟨in2p3-00796750⟩

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