Search for new high-mass phenomena in the dilepton final state using 36 fb$^{−1}$ of proton-proton collision data at $ \sqrt{s}=13 $ TeV with the ATLAS detector - INSPIRE

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Search for new high-mass phenomena in the dilepton final state using 36 fb $^{−1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV with the ATLAS detector

ATLAS

Collaboration

Jul 8, 2017

42 pages

Published in:

JHEP 10 (2017) 182

Published: Oct 26, 2017

e-Print:

1707.02424 [hep-ex]

DOI:

10.1007/JHEP10(2017)182

PDG: Scale Limits for Contact Interactions:

\Lambda\mathrm {({{\mathit e}} {{\mathit e}} {{\mathit q}} {{\mathit q}} )}

Report number:

CERN-EP-2017-119

Experiments:

CERN-LHC-ATLAS

View in:

reference search497 citations

Citations per year

Abstract: (Springer)

A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. The search uses 36.1 fb

^{−1}

of proton-proton collision data, collected at

\sqrt{s}=13

TeV by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the Standard Model prediction is observed. Upper limits at 95% credibility level are set on the cross-section times branching ratio for resonances decaying into dileptons, which are converted to lower limits on the resonance mass, up to 4.1 TeV for the E

_{6}

-motivated Z

_{χ}^{′}

. Lower limits on the qqℓℓ contact interaction scale are set between 2.4 TeV and 40 TeV, depending on the model.

Note:

54 pages in total, author list starting page 38, 7 figures, 11 tables, submitted to JHEP, All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2016-05/

Beyond Standard Model
Hadron-Hadron scattering (experiments)
p p: scattering
p p: colliding beams
muon: pair production
electron: pair production
dilepton: final state
narrow resonance
resonance: leptonic decay
resonance: mass: lower limit

References(59)

Figures(11)

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