Search for long-lived neutral particles decaying into lepton jets in proton--proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector - Université Pierre et Marie Curie Accéder directement au contenu
Article Dans Une Revue Journal of High Energy Physics Année : 2014

Search for long-lived neutral particles decaying into lepton jets in proton--proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector

G. Aad (1) , L. Alio (1) , M. Barbero (1) , J. C. Clémens (1) , Y. Coadou (1) , Sara Diglio (1) , F. Djama (1) , L. Feligioni (1) , D. Hoffmann (1) , F. Hubaut (1) , E. B. F. G. Knoops (1) , E. Le Guirriec (1) , B. Li (1) , D. Madaffari (1) , K. Mochizuki (1) , E. Monnier (1) , S. Muanza (1) , Y. Nagai (1) , P. Pralavorio (1) , A. Rozanov (1) , T. Serre (1) , M. Talby (1) , E. Tiouchichine (1) , S. Tisserant (1) , J. Toth (1) , F. Touchard (1) , M. Ughetto (1) , L. Vacavant (1) , D. Boumediene (2) , Emmanuel Busato (2) , D. Calvet (2) , S. Calvet (2) , J. Donini (2) , E. Dubreuil (2) , N. Ghodbane (2) , G. Gilles (2) , Ph. Gris (2) , C. Guicheney (2) , H. Liao (2) , D. Pallin (2) , F. Podlyski (2) , C. Santoni (2) , Timothée Theveneaux-Pelzer (2) , Loïc Valery (2) , F. Vazeille (2) , H. Bachacou (3) , F. Balli (3) , F. Bauer (3) , N. Besson (3) , J.-B. Blanchard (3) , M. Boonekamp (3) , A. Calandri (3) , L. Chevalier (3) , M. Dano Hoffmann (3) , F. Deliot (3) , J. Ernwein (3) , A.I. Etienvre (3) , A. Formica (3) , P.F. Giraud (3) , C. Guyot , R. Hanna (3) , S. Hassani (3) , W. Kozanecki (3) , E. Lancon (3) , J.F. Laporte (3) , C. Maiani (3) , P. Mal (3) , B. Mansoulie (3) , H. Martinez (2) , N. Meric (3) , J.-P. Meyer (3) , R. Nicolaidou (3) , A. Ouraou (3) , E. Protopapadaki (3) , C.R. Royon (3) , L. L. Schoffel (3) , Ph. Schune (3) , Ph. Schwemling (3) , J. Schwindling (3) , D. Tsionou (3) , N. Vranjes (3) , M. Xiao (3) , T. Beau (4) , M. Bomben (4) , G. Calderini (4) , F. Crescioli (4) , O. Davignon (4) , S. de Cecco (4) , A. Demilly (4) , F. Derue (4) , P. Francavilla (4) , M.W. Krasny (4) , D. Lacour (4) , B. Laforge (4) , S. Laplace (4) , O. Le Dortz (4) , G. Lefebvre (4) , B. Malaescu (4) , G. Marchiori (4) , I. Nikolic-Audit (4) , J. Ocariz (4) , S. Pires (4) , M. Ridel (4) , L. Roos (4) , S. Trincaz-Duvoid (4) , F. Vannucci (4) , D. Varouchas (4) , G. Rahal (5) , Z. Barnovska (6) , N. Berger (6) , M. Delmastro (6) , L. Di Ciaccio (6) , S. Elles (6) , C. Goy (6) , T. Hryn'Ova (6) , S. Jézéquel (6) , H. Keoshkerian (6) , I. Koletsou (6) , R. Lafaye (6) , J. Leveque (6) , V.P. Lombardo (6) , N. Massol (6) , H. Przysiezniak (6) , G. Sauvage (6) , E. Sauvan (6) , M. Schwoerer (6) , O. Simard (6) , T. Todorov (6) , I. Wingerter-Seez (6) , S. Albrand (7) , J. Brown (7) , J. Collot (7) , S. Crépé-Renaudin (7) , B. Dechenaux (7) , P.A. Delsart (7) , C. Gabaldon (7) , M.H. Genest (7) , J.Y. Hostachy (7) , F. Ledroit-Guillon (7) , A. Lleres (7) , A. Lucotte (7) , F. Malek (7) , C. Monini (7) , J. Stark (7) , B. Trocmé (7) , M. Wu (7) , S. Abdel Khalek (8) , A. Bassalat (8) , C. Becot (8) , S. Binet (8) , C. Bourdarios (8) , D. Charfeddine (8) , J.B. de Vivie de Regie (8) , L. Duflot (8) , M. Escalier (8) , L. Fayard (8) , D. Fournier (8) , J.-F. Grivaz (8) , T. Guillemin (8) , F. Hariri (8) , S. Henrot-Versillé (8) , J. Hrivnac (8) , L. Iconomidou-Fayard (8) , M. Kado (8) , A. Lounis (8) , N. Makovec (8) , L. Poggioli (8) , P. Puzo (8) , A. Renaud (8) , D. Rousseau (8) , G. Rybkin (8) , A.C. Schaffer (8) , E. Scifo (8) , L. Serin (8) , S. Simion (8) , R. Tanaka (8) , H.L. Tran (8) , D. Zerwas (8) , Zhiqing Zhang (8)
G. Aad
Y. Coadou
S. Calvet
C. Guyot
  • Fonction : Auteur
N. Berger
C. Goy
T. Hryn'Ova
D. Rousseau
Zhiqing Zhang
  • Fonction : Auteur
  • PersonId : 829631

Résumé

Several models of physics beyond the Standard Model predict neutral particles that decay into final states consisting of collimated jets of light leptons and hadrons (so-called "lepton jets"). These particles can also be long-lived with decay length comparable to, or even larger than, the LHC detectors' linear dimensions. This paper presents the results of a search for lepton jets in proton--proton collisions at the centre-of-mass energy of $\sqrt{s}$ = 8 TeV in a sample of 20.3 fb$^{-1}$ collected during 2012 with the ATLAS detector at the LHC. Limits on models predicting Higgs boson decays to neutral long-lived lepton jets are derived as a function of the particle's proper decay length.

Dates et versions

in2p3-01060206 , version 1 (03-09-2014)

Identifiants

Citer

G. Aad, L. Alio, M. Barbero, J. C. Clémens, Y. Coadou, et al.. Search for long-lived neutral particles decaying into lepton jets in proton--proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector. Journal of High Energy Physics, 2014, 2014 (11), pp.088. ⟨10.1007/JHEP11(2014)088⟩. ⟨in2p3-01060206⟩
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