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  • art%3A10.1007%2FJHEP09%282014%29037

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Search for new particles in events with one lepton and missing transverse momentum in pp collisions at s√ = 8 TeV with the ATLAS detector

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Article number37
<mark>Journal publication date</mark>5/09/2014
<mark>Journal</mark>Journal of High Energy Physics
Issue number9
Volume2014
Number of pages43
Publication StatusPublished
<mark>Original language</mark>English

Abstract

This paper presents a search for new particles in events with one lepton (electron or muon) and missing transverse momentum using 20.3 fb−1 of proton-proton collision data at s√ = 8 TeV recorded by the ATLAS experiment at the Large Hadron Collider. No significant excess beyond Standard Model expectations is observed. A W ′ with Sequential Standard Model couplings is excluded at the 95% confidence level for masses up to 3.24 TeV. Excited chiral bosons (W *) with equivalent coupling strengths are excluded for masses up to 3.21 TeV. In the framework of an effective field theory limits are also set on the dark matter-nucleon scattering cross-section as well as the mass scale M * of the unknown mediating interaction for dark matter pair production in association with a leptonically decaying W.

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JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0