Search for heavy Majorana neutrinos in $\mu^{\pm}\mu^{\pm}$ +jets and $e^{\pm}e^{\pm}$+jets events in pp collisions at $\sqrt{s}=7$ TeV

S. Chatrchyan;V. Khachatryan;A.M. Sirunyan;A. Tumasyan;W. Adam;E. Aguilo;T. Bergauer;M. Dragicevic;J. Erö;C. Fabjan;M. Friedl;R. Frühwirth;V.M. Ghete;J. Hammer;N. Hörmann;J. Hrubec;M. Jeitler;W. Kiesenhofer;V. Knünz;M. Krammer;I. Krätschmer;D. Liko;I. Mikulec;M. Pernicka;B. Rahbaran;C. Rohringer;H. Rohringer;R. Schöfbeck;J. Strauss;A. Taurok;W. Waltenberger;G. Walzel;E. Widl;C.-E. Wulz;V. Mossolov;N. Shumeiko;J. Suarez Gonzalez;M. Bansal;S. Bansal;T. Cornelis;E.A. De Wolf;X. Janssen;S. Luyckx;L. Mucibello;S. Ochesanu;B. Roland;R. Rougny;M. Selvaggi;Z. Staykova;H. Van Haevermaet;P. Van Mechelen;N. Van Remortel;A. Van Spilbeeck;F. Blekman;S. Blyweert;J. DʼHondt;R. Gonzalez Suarez;A. Kalogeropoulos;M. Maes;A. Olbrechts;W. Van Doninck;P. Van Mulders;G.P. Van Onsem;I. Villella;B. Clerbaux;G. De Lentdecker;V. Dero;A.P.R. Gay;T. Hreus;A. Léonard;P.E. Marage;T. Reis;L. Thomas;G. Vander Marcken;C. Vander Velde;P. Vanlaer;J. Wang;V. Adler;K. Beernaert;A. Cimmino;S. Costantini;G. Garcia;M. Grunewald;B. Klein;J. Lellouch;A. Marinov;J. Mccartin;A.A. Ocampo Rios;D. Ryckbosch;N. Strobbe;F. Thyssen;M. Tytgat;P. Verwilligen;S. Walsh;E. Yazgan;N. Zaganidis;S. Basegmez;G. Bruno;R. Castello;L. Ceard;C. Delaere;T. du Pree;D. Favart;L. Forthomme;A. Giammanco;J. Hollar;V. Lemaitre;J. Liao;O. Militaru;C. Nuttens;D. Pagano;A. Pin;K. Piotrzkowski;N. Schul;J.M. Vizan Garcia;N. Beliy;T. Caebergs;E. Daubie;G.H. Hammad;G.A. Alves;M. Correa Martins Junior;D. De Jesus Damiao;T. Martins;M.E. Pol;M.H.G. Souza;W.L. Aldá Júnior;W. Carvalho;A. Custódio;E.M. Da Costa;C. De Oliveira Martins;S. Fonseca De Souza;D. Matos Figueiredo;L. Mundim;H. Nogima;V. Oguri;W.L. Prado Da Silva;A. Santoro;L. Soares Jorge;A. Sznajder;T.S. Anjos;C.A. Bernardes;F.A. Dias;T.R. Fernandez Perez Tomei;E.M. Gregores;C. Lagana;F. Marinho;P.G. Mercadante;S.F. Novaes;Sandra S. Padula;V. Genchev;P. Iaydjiev;S. Piperov;M. Rodozov;S. Stoykova;G. Sultanov;V. Tcholakov;R. Trayanov;M. Vutova;A. Dimitrov;R. Hadjiiska;V. Kozhuharov;L. Litov;B. Pavlov;P. Petkov;J.G. Bian;G.M. Chen;H.S. Chen;C.H. Jiang;D. Liang;S. Liang;X. Meng;J. Tao;J. Wang;X. Wang;Z. Wang;H. Xiao;M. Xu;J. Zang;Z. Zhang;C. Asawatangtrakuldee;Y. Ban;Y. Guo;W. Li;S. Liu;Y. Mao;S.J. Qian;H. Teng;D. Wang;L. Zhang;W. Zou;C. Avila;J.P. Gomez;B. Gomez Moreno;A.F. Osorio Oliveros;J.C. Sanabria;N. Godinovic;D. Lelas;R. Plestina;D. Polic;I. Puljak;Z. Antunovic;M. Kovac;V. Brigljevic;S. Duric;K. Kadija;J. Luetic;S. Morovic;A. Attikis;M. Galanti;G. Mavromanolakis;J. Mousa;C. Nicolaou;F. Ptochos;P.A. Razis;M. Finger;M. Finger;Y. Assran;S. Elgammal;A. Ellithi Kamel;S. Khalil;M.A. Mahmoud;A. Radi;M. Kadastik;M. Müntel;M. Raidal;L. Rebane;A. Tiko;P. Eerola;G. Fedi;M. Voutilainen;J. Härkönen;A. Heikkinen;V. Karimäki;R. Kinnunen;M.J. Kortelainen;T. Lampén;K. Lassila-Perini;S. Lehti;T. Lindén;P. Luukka;T. Mäenpää;T. Peltola;E. Tuominen;J. Tuominiemi;E. Tuovinen;D. Ungaro;L. Wendland;K. Banzuzi;A. Karjalainen;A. Korpela;T. Tuuva;M. Besancon;S. Choudhury;M. Dejardin;D. Denegri;B. Fabbro;J.L. Faure;F. Ferri;S. Ganjour;A. Givernaud;P. Gras;G. Hamel de Monchenault;P. Jarry;E. Locci;J. Malcles;L. Millischer;A. Nayak;J. Rander;A. Rosowsky;I. Shreyber;M. Titov;S. Baffioni;F. Beaudette;L. Benhabib;L. Bianchini;M. Bluj;C. Broutin;P. Busson;C. Charlot;N. Daci;T. Dahms;L. Dobrzynski;R. Granier de Cassagnac;M. Haguenauer;P. Miné;C. Mironov;I.N. Naranjo;M. Nguyen;C. Ochando;P. Paganini;D. Sabes;R. Salerno;Y. Sirois;C. Veelken;A. Zabi;J.-L. Agram;J. Andrea;D. Bloch;D. Bodin;J.-M. Brom;M. Cardaci;E.C. Chabert;C. Collard;E. Conte;F. Drouhin;C. Ferro;J.-C. Fontaine;D. Gelé;U. Goerlach;P. Juillot;A.-C. Le Bihan;P. V