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  1. Pubblicazioni

Search for the Standard Model Higgs Boson in the Decay Channel H -> ZZ -> 4l in pp Collisions at root s=7 TeV

Articolo
Data di Pubblicazione:
2012
Abstract:
A search for a Higgs boson in the four-lepton decay channel H -> ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range of 110 < m(H) < 600 GeV. The analysis uses data corresponding to an integrated luminosity of 4.7 fb(-1) recorded by the CMS detector in pp collisions at root s = 7 TeV from the LHC. Seventy-two events are observed with four-lepton invariant mass m(4l) > 100 GeV (with 13 below 160 GeV), while 67.1 +/- 6.0 (9.5 +/- 1.3) events are expected from background. The four-lepton mass distribution is consistent with the expectation of standard model background production of ZZ pairs. Upper limits at 95\% confidence level exclude the standard model Higgs boson in the ranges of 134-158 GeV, 180-305 GeV, and 340-465 GeV. Small excesses of events are observed around masses of 119, 126, and 320 GeV, making the observed limits weaker than expected in the absence of a signal.
Tipologia CRIS:
03A-Articolo su Rivista
Elenco autori:
S. Chatrchyan;V. Khachatryan;A. M. Sirunyan;A. Tumasyan;W. Adam;T. Bergauer;M. Dragicevic;J. Eroe;C. Fabjan;M. Friedl;R. Fruehwirth;V. M. Ghete;J. Hammer;M. Hoch;N. Hoermann;J. Hrubec;M. Jeitler;W. Kiesenhofer;M. Krammer;D. Liko;I. Mikulec;M. Pernicka;B. Rahbaran;C. Rohringer;H. Rohringer;R. Schoefbeck;J. Strauss;A. Taurok;F. Teischinger;P. Wagner;W. Waltenberger;G. Walzel;E. Widl;C. E. Wulz;V. Mossolov;N. Shumeiko;J. S. Gonzalez;S. Bansal;L. Benucci;T. Cornelis;E. A. De;X. Janssen;S. Luyckx;T. Maes;L. Mucibello;S. Ochesanu;B. Roland;R. Rougny;M. Selvaggi;H. V. Haevermaet;P. V. Mechelen;N. V. Remortel;A. V. Spilbeeck;F. Blekman;S. Blyweert;J. D'Hondt;R. G. Suarez;A. Kalogeropoulos;M. Maes;A. Olbrechts;W. V. Doninck;P. V. Mulders;G. P. Van;I. Villella;O. Charaf;B. Clerbaux;G. D. Lentdecker;V. Dero;A. P. R.;G. H. Hammad;T. Hreus;A. Leonard;P. E. Marage;L. Thomas;C. V. Velde;P. Vanlaer;J. Wickens;V. Adler;K. Beernaert;A. Cimmino;S. Costantini;G. Garcia;M. Grunewald;B. Klein;J. Lellouch;A. Marinov;J. Mccartin;A. A. Ocampo;D. Ryckbosch;N. Strobbe;F. Thyssen;M. Tytgat;L. Vanelderen;P. Verwilligen;S. Walsh;E. Yazgan;N. Zaganidis;S. Basegmez;G. Bruno;L. Ceard;J. D. Favereau;C. Delaere;T. d. Pree;D. Favart;L. Forthomme;A. Giammanco;G. Gregoire;J. Hollar;V. Lemaitre;J. Liao;O. Militaru;C. Nuttens;D. Pagano;A. Pin;K. Piotrzkowski;N. Schul;N. Beliy;T. Caebergs;E. Daubie;G. A. Alves;M. C. Martins;D. D. Jesus;T. Martins;M. E. Pol;M. H. G.;W. L. Alda;W. Carvalho;A. Custodio;E. M. Da;C. D. Oliveira;S. F. De;D. M. Figueiredo;L. Mundim;H. Nogima;V. Oguri;W. L. Prado;A. Santoro;S. M. Silva;L. S. Jorge;A. Sznajder;T. S. Anjos;C. A. Bernardes;F. A. Dias;T. R. Fernandez;E. M. Gregores;C. Lagana;F. Marinho;P. G. Mercadante;S. F. Novaes;S. S. Padula;V. Genchev;P. Iaydjiev;S. Piperov;M. Rodozov;S. Stoykova;G. Sultanov;V. Tcholakov;R. Trayanov;M. Vutova;A. Dimitrov;R. Hadjiiska;A. Karadzhinova;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;J. Wang;X. Wang;Z. Wang;H. Xiao;M. Xu;J. Zang;Z. Zhang;C. Asawatangtrakuldee;Y. Ban;S. Guo;Y. Guo;W. Li;S. Liu;Y. Mao;S. J. Qian;H. Teng;S. Wang;B. Zhu;W. Zou;A. Cabrera;B. G. Moreno;A. F. Osorio;J. C. Sanabria;N. Godinovic;D. Lelas;R. Plestina;D. Polic;I. Puljak;Z. Antunovic;M. Dzelalija;M. Kovac;V. Brigljevic;S. Duric;K. Kadija;J. Luetic;S. Morovic;A. Attikis;M. Galanti;J. Mousa;C. Nicolaou;F. Ptochos;P. A. Razis;M. Finger;M. F. Jr.;Y. Assran;A. E. Kamel;S. Khalil;M. A. Mahmoud;A. Radi;A. Hektor;M. Kadastik;M. Muentel;M. Raidal;L. Rebane;A. Tiko;V. Azzolini;P. Eerola;G. Fedi;M. Voutilainen;S. Czellar;J. Harkonen;A. Heikkinen;V. Karimaki;R. Kinnunen;M. J. Kortelainen;T. Lampen;K. Lassila-Perini;S. Lehti;T. Linden;P. Luukka;T. Maenpaa;T. Peltola;E. Tuominen;J. Tuominiemi;E. Tuovinen;D. Ungaro;L. Wendland;K. Banzuzi;A. Korpela;T. Tuuva;D. Sillou;M. Besancon;S. Choudhury;M. Dejardin;D. Denegri;B. Fabbro;J. L. Faure;F. Ferri;S. Ganjour;A. Givernaud;P. Gras;G. H. De;P. Jarry;E. Locci;J. Malcles;L. Millischer;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;S. Elgammal;R. G. de;M. Haguenauer;P. Mine;C. Mironov;C. Ochando;P. Paganini;D. Sabes;R. Salerno;Y. Sirois;C. Thiebaux;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. Gele;U. Goerlach;P. Juillot;M. Karim;A. C. Le;P. V. Hove;F. Fassi;D. Mercier;C. Baty;S. Beauceron;N. Beaupere;M. Bedjidian;O. Bondu;G. Boudoul;D. Boumediene;H. Brun;J. Chasserat;R. Chie
Autori di Ateneo:
AMAPANE Nicola Carlo
ARGIRO' Stefano
BELLAN Riccardo
COSTA Marco
COVARELLI Roberto
MERIDIANI Paolo
MIGLIORE Ernesto
MONACO Vincenzo
OBERTINO Maria Margherita
SACCHI Roberto
SOLA Valentina
SOLANO Ada Maria
Link alla scheda completa:
https://iris.unito.it/handle/2318/105020
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/105020/68856/PhysRevLett.108.111804.pdf
Pubblicato in:
PHYSICAL REVIEW LETTERS
Journal
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