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|Title:||Search for new resonances in mass distributions of jet pairs using 139 fb⁻¹ of pp collisions at √s = 13 TeV with the ATLAS detector|
|Other Titles:||Search for new resonances in mass distributions of jet pairs using 139 fb(-1) of pp collisions at root s = 13 TeV with the ATLAS detector|
Abed Abud, A.
Adam Bourdarios, C.
|Citation:||The Journal of High Energy Physics, 2020; 2020(3):145-[i],1-145-40|
|G. Aad … D. Duvnjak … P. Jackson … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]|
|Abstract:||A search for new resonances decaying into a pair of jets is reported using the dataset of proton-proton collisions recorded at s√ = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb⁻¹. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the Standard Model background. In addition to an inclusive dijet search, events with jets identified as containing b-hadrons are examined specifically. No significant excess of events above the smoothly falling background spectra is observed. The results are used to set cross-section upper limits at 95% confidence level on a range of new physics scenarios. Model-independent limits on Gaussian-shaped signals are also reported. The analysis looking at jets containing b-hadrons benefits from improvements in the jet flavour identification at high transverse momentum, which increases its sensitivity relative to the previous analysis beyond that expected from the higher integrated luminosity.|
|Keywords:||Exotics; hadron-hadron scattering (experiments); jets|
|Rights:||Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP³. Open Access. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.|
|Appears in Collections:||Aurora harvest 4|
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