Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions

G. Aad , T. Beau (1) , S. Bordoni (1) , G. Calderini (1) , A. Camard (1) , P. Cavalleri (1) , E. Chareyre (1) , S. de Cecco (1) , F. Derue (1) , D. Imbault (1) , M.W. Krasny (1) , D. Lacour (1) , B. Laforge (1) , O. Le Dortz (1) , J. Lellouch (1) , G. Marchiori (1) , I. Nikolic-Audit (1) , J. Ocariz (1) , M. Ridel (1) , L. Roos (1) , Ph. Schwemling (1) , Timothée Theveneaux-Pelzer (1) , S. Trincaz-Duvoid (1) , T.N. Trinh (1) , F. Vannucci (2) , H. Bachacou (3) , F. Bauer (3) , N. Besson (3) , N.M. Bolnet (3) , M. Boonekamp (3) , L. Chevalier (3) , J. Ernwein (3) , A.I. Etienvre (3) , A. Formica (3) , L. Gauthier (3) , P.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. Mansoulie (3) , J.-P. Meyer (3) , N. Morange (3) , E. Mountricha (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) , C. Biscarat (4) , E. Cogneras (4) , G. Rahal (4) , L. Aperio Bella (5) , B. Aubert (5) , N. Berger (5) , J. Colas (5) , L. Di Ciaccio (5) , T.K.O. Doan (5) , S. Elles (5) , P. Ghez (5) , M. Gouanère (5) , C. Goy (5) , T. Guillemin (5) , L. Helary (5) , T. Hryn'Ova (5) , G. Ionescu (5) , A. Jérémie (5) , S. Jézéquel (5) , M. Kataoka (5) , J. Labbe (5) , R. Lafaye (5) , J. Leveque (5) , V.P. Lombardo (5) , N. Massol (5) , P. Perrodo (5) , H. Przysiezniak (5) , G. Sauvage (5) , E. Sauvan (5) , T. Todorov (5) , D. Tsionou (5) , I. Wingerter-Seez (5) , R. Zitoun (5) , Y. Zolnierowski (5) , S. Albrand (6) , M.L. Andrieux (6) , B. Clement (6) , J. Collot (6) , S. Crépé-Renaudin (6) , P.A. Delsart (6) , J. Donini (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) , C. Weydert (6) , Emmanuel Busato (7) , D. Calvet (7) , S. Calvet (7) , Reina Coromoto Camacho Toro (7) , Diane Cinca (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 (8) , C. P. Bee (8) , C. Benchouk (8) , K. Bernardet (8) , N. Bousson (8) , J. C. Clémens (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) , H. Abreu (9) , N. Andari (9) , C. Arnault (9) , E. Augé (9) , P. Barrillon (9) , M. Benoit (9) , S. Binet (9) , J.-B. Blanchard (9) , C. Bourdarios (9) , D. Breton (9) , C. Collard (10) , C. de La Taille (9) , J.B. de Vivie de Regie (9) , Sara Diglio (9) , L. Duflot (9) , M. Escalier (9) , A.C. Falou (9) , L. Fayard (9) , D. Fournier (9) , J.-F. Grivaz (9) , M. Heller (9) , S. Henrot-Versillé (9) , J. Hrivnac (9) , L. Iconomidou-Fayard (9) , J. Idarraga (9) , M. Kado (9) , A. Lounis (9) , N. Makovec (9) , P. Matricon (9) , F. Niedercorn (9) , L. Poggioli (9) , P. Puzo (9) , A. Renaud (9) , D. Rousseau (9) , X. Ruan (9, 11) , G. Rybkin (9) , J.B. Sauvan (9) , J. Schaarschmidt (9) , A.C. Schaffer (9) , L. Serin (9) , S. Simion (9) , R. Tanaka (9) , J.J. Veillet (9) , I. Vukotic (9) , F. Wicek (9) , D. Zerwas (9) , Zhiqing Zhang (9)

1 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies
2 APC - Neutrinos
3 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
4 CC-IN2P3 - Centre de Calcul de l'IN2P3
5 LAPP - Laboratoire d'Annecy de Physique des Particules
6 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
7 LPC - Laboratoire de Physique Corpusculaire - Clermont-Ferrand
8 CPPM - Centre de Physique des Particules de Marseille
9 LAL - Laboratoire de l'Accélérateur Linéaire
10 IPHC - Institut Pluridisciplinaire Hubert Curien
11 IHEP - Institute of High Energy Physics

A search for squarks and gluinos in events containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2011 by the ATLAS experiment in sqrt(s)=7 TeV proton-proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation is observed in 1.04 fb^-1 of data. Gluino and squark masses below 700 GeV and 875 GeV respectively are excluded at the 95% confidence level in simplified models containing only squarks of the first two generations, a gluino octet and a massless neutralino. The exclusion limit increases to 1075 GeV for squarks and gluinos of equal mass. In MSUGRA/CMSSM models with tan(beta)=10, A_0=0 and mu> 0, squarks and gluinos of equal mass are excluded for masses below 950 GeV. These limits extend the region of supersymmetric parameter space excluded by previous measurements.

Domaines: Physique des Hautes Energies - Expérience [hep-ex]

G. Aad, T. Beau, S. Bordoni, G. Calderini, A. Camard, et al.. Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in sqrt(s) = 7 TeV proton-proton collisions. Physics Letters B, 2012, 710, pp.67-85. ⟨10.1016/j.physletb.2012.02.051⟩. ⟨in2p3-00628037⟩