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Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector

G. Aad O. Arnaez 1 B. Aubert 1 M. Aurousseau 1 N. Berger 1 J. Colas 1 L. Di Ciaccio 1 M. El Kacimi 1 S. Elles 1 P. Ghez 1 M. Gouanère 1 C. Goy 1 T. Guillemin 1 L. Helary 1 T. Hryn'Ova 1 P. Iengo 1 A. Jérémie 1 S. Jézéquel 1 J. Labbe 1 R. Lafaye 1 N. Massol 1 P. Perrodo 1 H. Przysiezniak 1 G. Sauvage 1 T. Todorov 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 F. Chevallier 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 M. Virchaux 3 T.K.O. Doan 1 T. Beau 4 S. Bordoni 4 G. Calderini 4 A. Camard 4 P. Cavalleri 4 E. Chareyre 4 S. de Cecco 4 F. Derue 4 D. Imbault 4 M.W. Krasny 4 D. Lacour 4 B. Laforge 4 O. Le Dortz 4 J. Lellouch 4 G. Marchiori 4 I. Nikolic-Audit 4 J. Ocariz 4 M. Ridel 4 L. Roos 4 Ph. Schwemling 4 Timothée Theveneaux-Pelzer 4 S. Trincaz-Duvoid 4 T.N. Trinh 4 F. Vannucci 5 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 S. Aoun 7 C. Bee 7 C. Benchouk 7 K. Bernardet 7 N. Boussons C. Cerna 7 J. C. Clèmens 7 C. Correard 7 P. Delpierre 7 F. Djama 7 F. Etienne 7 L. Feligioni 7 F. Henry-Couannier 7 D. Hoffmann 7 F. Hubaut 7 M. Kuna 7 E. Le Guirrec 7 Jérémy Lévêque 7 B. Li 7 E. Monnier 7 J. Odier 7 P. Pralavario E. Petit 7 Z. Qian 7 A. Rozanov 7 M. Talby 7 N. Tannoury 7 V. Tisserant 7 F. Touchard 7 L. Vacavant 7 H. Abreu 8 N. Andari 8 C. Arnault 8 E. Augé 8 P. Barrillon 8 M. Benoit 8 S. Binet 8 J.-B. Blanchard 8 C. Bourdarios 8 D. Breton 8 C. Collard 9 C. de la Taille 8 J.B. de Vivie de Regie 8 S. Diglio 8 L. Duflot 8 M. Escalier 8 A.C. Falou 8 L. Fayard 8 D. Fournier 8 J.-F. Grivaz 8 M. Heller 8 S. Henrot-Versillé 8 J. Hrivnac 8 L. Iconomidou-Fayard 8 J. Idarraga 8 M. Kado 8 A. Lounis 8 N. Makovec 8 P. Matricon 8 F. Niedercorn 8 L. Poggioli 8 P. Puzo 8 A. Renaud 8 D. Rousseau 8 X. Ruan 8, 10 G. Rybkin 8 J.B. Sauvan 8 J. Schaarschmidt 8 A.C. Schaffer 8 L. Serin 8 S. Simion 8 R. Tanaka 8 J.J. Veillet 8 I. Vukotic 8 F. Wicek 8 D. Zerwas 8 Zhiqing Zhang 8
Abstract : A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3.1/pb. No excess of such events is observed above the Standard Model background prediction. In the context of a specific model with one Universal Extra Dimension with compactification radius R and gravity-induced decays, values of 1/R < 728 GeV are excluded at 95% CL, providing the most sensitive limit on this model to date.
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Submitted on : Friday, January 7, 2011 - 4:10:21 PM
Last modification on : Tuesday, February 9, 2021 - 4:18:01 PM

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G. Aad, O. Arnaez, B. Aubert, M. Aurousseau, N. Berger, et al.. Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector. Physical Review Letters, American Physical Society, 2011, 106, pp.121803. ⟨10.1103/PhysRevLett.106.121803⟩. ⟨in2p3-00553590⟩

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