Search for resonant diboson production in the WW/W Z → ℓνjj decay channels with the ATLAS detector at √s = 7 TeV

Aad, G. and Abajyan, T. and Abbott, B. and Abdallah, J. and Khalek, S. A. and Abdelalim, A. A. and Abdinov, O. and Aben, R. and Abi, B. and Abolins, M. and AbouZeid, O. S. and Abramowicz, H. and Abreu, H. and Acharya, B. S. and Adamczyk, L. and Adams, D. L. and Addy, T. N. and Adelman, J. and Adomeit, S. and Adragna, P. and Adye, T. and Aefsky, S. and Aguilar-Saavedra, J. A. and Agustoni, M. and Aharrouche, M. and Ahlen, S. P. and Ahles, F. and Ahmad, A. and Ahsan, M. and Aielli, G. and Krasznahorkay, Attila and Pásztor, Gabriella and Tóth, József (2013) Search for resonant diboson production in the WW/W Z → ℓνjj decay channels with the ATLAS detector at √s = 7 TeV. PHYSICAL REVIEW D, 87 (11). ISSN 2470-0010

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Abstract

A search for resonant diboson production using a data sample corresponding to 4.7 fb−1 of integrated luminosity collected by the ATLAS experiment at the Large Hadron Collider in pp collisions at √ s = 7 TeV is presented. The search for a narrow resonance in the WW or W Z mass distribution is conducted in a final state with an electron or a muon, missing transverse momentum and at least two jets. No significant excess is observed and limits are set using three benchmark models: WW resonance masses below 940 GeV and 710 GeV are excluded at 95% confidence level for spin-2 Randall–Sundrum and bulk Randall–Sundrum gravitons, respectively; W Z resonance masses below 950 GeV are excluded at 95% confidence level for a spin-1 Extended Gauge Model W′ boson.

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