# Search for new particles in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector

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 $\sqrt{s}=8$ 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 $W$.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-01052862
Contributor : Danielle Cristofol <>
Submitted on : Tuesday, July 29, 2014 - 9:01:50 AM
Last modification on : Thursday, November 26, 2020 - 3:39:06 PM

### Citation

G. Aad, L. Alio, M. Barbero, C. Bertella, J. C. Clémens, et al.. Search for new particles in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector. Journal of High Energy Physics, Springer, 2014, 09, pp.037. ⟨10.1007/JHEP09(2014)037⟩. ⟨in2p3-01052862⟩

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