Auteur(s): Aad G., Albrand S., Brown J., Collot J., Crépé-Renaudin S., Dechenaux B., Delsart P.A., Gabaldon C., Genest M.H., Hostachy J.Y., Le B.T., Ledroit-Guillon F., Lleres A., Lucotte A., Malek F., Monini C., Stark J., Trocmé B., Wu M., Rahal G., Boumediene D., Busato Emmanuel, Calvet D., Calvet S., Donini J., Dubreuil E., Ghodbane N., Gilles G., Gris Ph., Ughetto M.
(Article) Publié:
Physical Review D, vol. 90 p.052005 (2014)
Texte intégral en Openaccess : 
Ref Arxiv: 1405.4123
DOI: 10.1103/PhysRevD.90.052005
WoS: 000342142500001
Ref. & Cit.: NASA ADS
263 Citations
Résumé:
The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to dielectron or dimuon final states. Results are presented from an analysis of proton-proton (pp) collisions at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20.3 fb-1 in the dielectron channel and 20.5 fb-1 in the dimuon channel. A narrow resonance with Standard Model Z couplings to fermions is excluded at 95% confidence level for masses less than 2.79 TeV in the dielectron channel, 2.53 TeV in the dimuon channel, and 2.90 TeV in the two channels combined. Limits on other model interpretations are also presented, including a grand-unification model based on the E6 gauge group, Z* bosons, Minimal Z' Models, a spin-2 graviton excitation from Randall-Sundrum models, quantum black holes and a Minimal Walking Technicolor model with a composite Higgs boson.
Commentaires: See paper for full list of authors -18 pages plus author list (31 pages total), 10 figures, 9 tables, submitted to Phys. Rev. D, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2012-23/