Séminaires, soutenances

Upgrade of the readout electronics of ATLAS Tile Calorimeter and Search for W'->tb resonances with LHC run2 data

par Emery NIBIGIRA (LPC-Clermont)

Europe/Paris
Salle 9110

Salle 9110

Description

This seminar presents the readout electronics of the central hadronic
calorimeter proposed for the ATLAS detector upgrade and conceived at
Laboratoire de Physique de Clermont (LPC). This upgrade is motivated by
the high luminosity phase of the Large Hadron Collider (LHC) foreseen
for 2026. We also present the latest results of  W'->tb resonance
searches in final states with an electron or muon plus jets using
proton-proton collision data, collected by the ATLAS detector in 2015
and 2016 during LHC run2. The search covers resonance masses between 0.5
and 5.0 TeV and considers right-handed W’ bosons. No significant
deviation from the Standard Model expectation is observed and upper
limits are set on the W’->tb cross section times branching ratio and the
W ′ boson effective couplings as a function of the W′ boson mass.

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