Search for new particles in events with one lepton and missing transverse momentum in pp collisions at √s = 8 TeV with the ATLAS detector
Date
2014
Authors
Aad, G.
ATLAS Collaboration,
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Journal article
Citation
Journal of High Energy Physics (JHEP), 2014; 2014(9):037-1-037-42
Statement of Responsibility
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni … M. White .. The ATLAS Collaboration
Conference Name
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 3.21TeV. 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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Open Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP³.