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Search for a heavy narrow resonance decaying to e mu, e tau, or mu tau with the ATLAS detector in sqrt(s) = 7 TeV pp collisions at the LHC

G. Aad S. Albrand 1 M.L. Andrieux 1 Q. Buat 1 B. Clement 1 J. Collot 1 S. Crépé-Renaudin 1 B. Dechenaux 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 J. Stark 1 X. Sun 1 B. Trocmé 1 C. Weydert 1 C. Biscarat 2 G. Rahal 2 D. Boumediene 3 Emmanuel Busato 3 D. Calvet 3 S. Calvet 3 Reina Coromoto Camacho Toro 3 Diane Cinca 4 J. Donini 3 E. Dubreuil 3 Ph. Gris 3 N. Ghodbane 3 C. Guicheney 3 H. Liao 3 D. Pallin 3 Daniela Paredes Hernández 3 F. Podlyski 3 C. Santoni 3 Loïc Valery 3 F. Vazeille 3 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 S. Aoun 6 C. P. Bee 6 C. Bertella 6 N. Bousson 6 J. C. Clémens 6 Y. Coadou 6 F. Djama 6 F. Etienne 6 L. Feligioni 6 D. Hoffmann 6 F. Hubaut 6 E. B. F. G. Knoops 6 E. Le Guirriec 6 B. Li 6 J. Maurer 6 E. Monnier 6 Y. Nagai 6 J. Odier 6 P. Pralavorio 6 A. Rozanov 6 M. Talby 6 N. Tannoury 6 E. Tiouchichine 6 S. Tisserant 6 J. Toth 6 F. Touchard 6 M. Ughetto 6 L. Vacavant 6 L. Aperio Bella 7 B. Aubert 7 N. Berger 7 J. Colas 7 M. Delmastro 7 L. Di Ciaccio 7 T.K.O. Doan 7 S. Elles 7 C. Goy 7 T. Hryn'Ova 7 S. Jézéquel 7 M. Kataoka 7 H. Keoshkerian 7 R. Lafaye 7 J. Leveque 7 V.P. Lombardo 7 N. Massol 7 P. Perrodo 7 E. Petit 7 H. Przysiezniak 7 E. Richter-Was 7 G. Sauvage 7 E. Sauvan 7 M. Schwoerer 7 T. Todorov 7 D. Tsionou 7 I. Wingerter-Seez 7 R. Zitoun 7 F. Vannucci 8
Abstract : This letter presents the results of a search for a heavy particle decaying into an e mu, e tau, or mu tau final state in pp collisions at sqrt(s) = 7 TeV. The data were recorded with the ATLAS detector at the LHC during 2011 and correspond to an integrated luminosity of 4.6/fb. No significant excess above the Standard Model expectation is observed, and exclusions at 95% confidence level are placed on the cross section times branching ratio for the production of an R-parity-violating supersymmetric tau sneutrino. These results considerably extend constraints from Tevatron experiments.
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G. Aad, S. Albrand, M.L. Andrieux, Q. Buat, B. Clement, et al.. Search for a heavy narrow resonance decaying to e mu, e tau, or mu tau with the ATLAS detector in sqrt(s) = 7 TeV pp collisions at the LHC. Physics Letters B, Elsevier, 2013, 723, pp.15-32. ⟨10.1016/j.physletb.2013.04.035⟩. ⟨in2p3-00763422⟩

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