Search for a standard model Higgs boson in the H→ZZ→ℓ+ℓ-νν- decay channel using 4.7fb-1of s=7TeV data with the ATLAS detector

G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, A. A. Abdelalim, O. Abdinov, B. Abi, M. Abolins, O. S. AbouZeid, H. Abramowicz, H. Abreu, E. Acerbi, B. S. Acharya, L. Adamczyk, D. L. Adams, T. N. Addy, J. Adelman, S. Adomeit, P. Adragna, T. AdyeS. Aefsky, J. A. Aguilar-Saavedra, M. Aharrouche, S. P. Ahlen, F. Ahles, A. Ahmad, M. Ahsan, G. Aielli, T. Akdogan, T. P.A. A°kesson, G. Akimoto, A. V. Akimov, A. Akiyama, M. S. Alam, M. A. Alam, J. Albert, S. Albrand, M. Aleksa, I. N. Aleksandrov, F. Alessandria, C. Alexa, G. Alexander, G. Alexandre, T. Alexopoulos, M. Alhroob, M. Aliev, G. Alimonti, K. Kawagoe, S. Oda, J. Tojo, ATLAS Collaboration

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Abstract

A search for a Standard Model Higgs boson decaying via H→ZZ→ℓ+ℓ-νν-, where ℓ represents electrons or muons, is presented. It is based on proton-proton collision data at s=7TeV, collected by the ATLAS experiment at the LHC during 2011 and corresponding to an integrated luminosity of 4.7fb-1. The data agree with the expected Standard Model backgrounds. Upper limits on the Higgs boson production cross section are derived for Higgs boson masses between 200 GeV and 600 GeV and the production of a Standard Model Higgs boson with a mass in the range 319-558 GeV is excluded at the 95% confidence level.

Original languageEnglish
Pages (from-to)29-48
Number of pages20
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume717
Issue number1-3
DOIs
Publication statusPublished - Oct 22 2012

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Aad, G., Abbott, B., Abdallah, J., Abdel Khalek, S., Abdelalim, A. A., Abdinov, O., Abi, B., Abolins, M., AbouZeid, O. S., Abramowicz, H., Abreu, H., Acerbi, E., Acharya, B. S., Adamczyk, L., Adams, D. L., Addy, T. N., Adelman, J., Adomeit, S., Adragna, P., ... ATLAS Collaboration (2012). Search for a standard model Higgs boson in the H→ZZ→ℓ+ℓ-νν- decay channel using 4.7fb-1of s=7TeV data with the ATLAS detector. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 717(1-3), 29-48. https://doi.org/10.1016/j.physletb.2012.09.016