Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in √s=13 TeV pp collisions with the ATLAS detector
By H. Otono. 2017
145 citations recorded by the source corpus.
A search for long-lived particles at the electroweak scale, which are predicted by a number of theories beyond the Standard Model,such as long-lived gluino in Split Supersymmetry, is presented. The search uses 32.7 $\rm{fb}^{-1}$ of 13 TeV $pp$ collision data collected by the ATLAS detector at the LHC, and explores a multi-track vertex displaced from the collision point of proton-proton beams. The observed yield is consistent with the expectation from the background only hypothesis, resulting in 95\% confidence-level exclusion of the long-lived gluino with masses up to 2.4 TeV at around $\tau=0.17$ ns.
Subfields: Artificial Intelligence, Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/58e1faa3c83076690fc9e0ea0f1c30840e860509
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In Artificial Intelligence
- Gudrun Heinrich
- Valentin Hirschi
- P. Nason
- Ansgar Denner
- L. Harland–Lang
- Juan Rojo
- Cms Collaboration
- R. Frederix
In Nuclear and High Energy Physics
- Gudrun Heinrich
- Cms Collaboration
- Atlas Collaboration
- Ansgar Denner
- Stefan Kallweit
- Stefan Dittmaier
- M. Grazzini
- Juan Rojo
Citations in the corpus
- Beyond the Standard Model Physics at the HL-LHC and HE-LHC (2018, background): “For the Run-2, where the modelling uncertainty on the SM background are raised from 5% to 10%, the expected exclusion ) [GeV]± 1 χ∼m( 200 300 400 500 600 700 800 900 1000 ) [G eV ] 0 1χ∼ m ( 0 100 200 300 400 500 600 700 800 Kin em ati ca lly Fo rbi dd en W ) = m0 1χ∼ )-m ( ± 1χ∼m( -1ATLAS 13 TeV, 8”