Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in sqrt{s} = 7 TeV proton-proton collisions with the ATLAS experiment - Université Pierre et Marie Curie Accéder directement au contenu
Article Dans Une Revue European Physical Journal C: Particles and Fields Année : 2011

Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in sqrt{s} = 7 TeV proton-proton collisions with the ATLAS experiment

G. Aad , S. Albrand (1) , M.L. Andrieux (1) , B. Clement (1) , J. Collot (1) , S. Crépé-Renaudin (1) , P. de Saintignon (1) , P.A. Delsart (1) , J. Donini (1) , Daniel Dzahini (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) , C. Biscarat (2) , E. Cogneras (2) , G. Rahal (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) , 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) , O. Simard (3) , M. Virchaux (3) , J. Yu (3) , Emmanuel Busato (4) , D. Calvet (4) , S. Calvet (4) , Reina Coromoto Camacho Toro (4) , Diane Cinca (5) , R. Febbraro (4) , P.L.Y. Gris (4) , N. Ghodbane (4) , C. Guicheney (4) , D. Pallin (4) , F. Podlyski (4) , C. Santoni (4) , L. P. Says (4) , F. Vazeille (4) , S. Viret (4) , L. Aperio Bella (6) , B. Aubert (6) , N. Berger (6) , J. Colas (6) , L. Di Ciaccio (6) , T.K.O. Doan (6) , M. El Kacimi (6) , S. Elles (6) , P. Ghez (6) , M. Gouanère (6) , C. Goy (6) , T. Guillemin (6) , L. Helary (6) , T. Hryn'Ova (6) , G. Ionescu (6) , A. Jérémie (6) , S. Jézéquel (6) , M. Kataoka (6) , J. Labbe (6) , R. Lafaye (6) , Jérémy Lévêque (6) , N. Massol (6) , P. Perrodo (6) , H. Przysiezniak (6) , G. Sauvage (6) , T. Todorov (6) , D. Tsionou (6) , I. Wingerter-Seez (6) , R. Zitoun (6) , Y. Zolnierowski (6) , H. Abreu (7) , C. Arnault (7) , E. Augé (7) , P. Barrillon (7) , M. Benoit (7) , S. Binet (7) , J.-B. Blanchard (7) , C. Bourdarios (7) , D. Breton (7) , C. Collard (7) , C. de La Taille (7) , J.B. de Vivie de Regie (7) , Sara Diglio (7) , L. Duflot (7) , M. Escalier (7) , A.C. Falou (7) , L. Fayard (7) , D. Fournier (7) , J.-F. Grivaz (7) , M. Heller (7) , S. Henrot-Versillé (7) , J. Hrivnac (7) , L. Iconomidou-Fayard (7) , J. Idarraga (7) , M. Kado (7) , A. Lounis (7) , N. Makovec (7) , P. Matricon (7) , Y. Nakahama (7) , F. Niedercorn (7) , L. Poggioli (7) , P. Puzo (7) , A. Renaud (7) , D. Rousseau (7) , X. Ruan (7) , G. Rybkin (7) , J.B. Sauvan (7) , J. Schaarschmidt (7) , A.C. Schaffer (7) , L. Serin (7) , S. Simion (7) , R. Tanaka (7) , D. Varouchas (7) , J.J. Veillet (7) , I. Vukotic (7) , F. Wicek (7) , D. Zerwas (7) , Zhiqing Zhang (7) , T. Beau (8) , S. Bordoni (8) , G. Calderini (8) , A. Camard (8) , P. Cavalleri (8) , E. Chareyre (8) , S. de Cecco (8) , F. Derue (8) , D. Imbault (8) , M.W. Krasny (8) , D. Lacour (8) , B. Laforge (8) , O. Le Dortz (8) , J. Lellouch (8) , G. Marchiori (8) , I. Nikolic-Audit (8) , J. Ocariz (8) , M. Ridel (8) , L. Roos (8) , Ph. Schwemling (8) , Timothée Theveneaux-Pelzer (8) , S. Trincaz-Duvoid (8) , T.N. Trinh (8) , F. Vannucci (9) , C. P. Bee (10) , C. Benchouk (10) , K. Bernardet (10) , N. Boussons (10) , J. C. Clèmens (10) , Y. Coadou (10) , P. Delpierre (10) , F. Djama (10) , F. Etienne (10) , L. Feligioni (10) , F. Henry- Couannier (10) , D. Hoffmann (10) , F. Hubaut (10) , E. B. F. G. Knoops (10) , E. Le Guirriec (10) , B. Li (10) , E. Monnier (10) , J. Odier (10) , E. Petit , P. Pralavorio (10) , Z. Qian (10) , A. Rozanov (10) , M. Talby (10) , N. Tannoury (10) , S. Tisserant (10) , J. Toth (10) , F. Touchard (10) , L. Vacavant (10) , S. Aoun (10)
G. Aad
E. Cogneras
S. Calvet
Diane Cinca
N. Berger
C. Goy
T. Hryn'Ova
E. Augé
C. Collard
Sara Diglio
D. Rousseau
D. Varouchas
Zhiqing Zhang
  • Fonction : Auteur
  • PersonId : 829631
F. Vannucci
  • Fonction : Auteur
Y. Coadou
E. Petit
  • Fonction : Auteur

Résumé

Results are presented of searches for the production of supersymmetric particles decaying into final states with missing transverse momentum and exactly two isolated leptons in sqrt{s}=7 TeV proton-proton collisions at the Large Hadron Collider. Search strategies requiring lepton pairs with identical sign or opposite sign electric charges are described. In a data sample corresponding to an integrated luminosity of 35 pb-1 collected with the ATLAS detector, no significant excesses are observed. Based on specific benchmark models, limits are placed on the squark mass between 450 and 690 GeV for squarks approximately degenerate in mass with gluinos, depending on the supersymmetric mass hierarchy considered.

Dates et versions

in2p3-00582737 , version 1 (04-04-2011)

Identifiants

Citer

G. Aad, S. Albrand, M.L. Andrieux, B. Clement, J. Collot, et al.. Search for supersymmetric particles in events with lepton pairs and large missing transverse momentum in sqrt{s} = 7 TeV proton-proton collisions with the ATLAS experiment. European Physical Journal C: Particles and Fields, 2011, 71, pp.1682. ⟨10.1140/epjc/s10052-011-1682-6⟩. ⟨in2p3-00582737⟩
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