Search for excited $τ$-leptons and leptoquarks in the final state with $τ$-leptons and jets in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector

ArXiv 2303.09444 (2023)

Timing performance of radiation hard MALTA monolithic pixel sensors

Journal of Instrumentation IOP Publishing 18:03 (2023) C03011-C03011

Authors:

G Gustavino, P Allport, I Asensi, DV Berlea, D Bortoletto, C Buttar, F Dachs, V Dao, H Denizli, D Dobrijevic, L Flores, A Gabrielli, L Gonella, V González, M LeBlanc, K Oyulmaz, H Pernegger, F Piro, P Riedler, H Sandaker, C Solans, W Snoeys, T Suligoj, M van Rijnbach, A Sharma

Abstract:

The MALTA family of Depleted Monolithic Active Pixel Sensor (DMAPS) produced in Tower 180 nm CMOS technology targets radiation hard applications for the HL-LHC and beyond. Several process modifications and front-end improvements have resulted in radiation hardness up to $2 \times 10^{15}~1~\text{MeV}~\text{n}_{eq}/\text{cm}^2$ and time resolution below 2 ns, with uniform charge collection efficiency across the Pixel of size $36.4 \times 36.4~\mu\text{m}^2$ with a $3~\mu\text{m}^2$ electrode size. The MALTA2 demonstrator produced in 2021 on high-resistivity epitaxial silicon and on Czochralski substrates implements a new cascoded front-end that reduces the RTS noise and has a higher gain. This contribution shows results from MALTA2 on timing resolution at the nanosecond level from the CERN SPS test-beam campaign of 2021.Comment: 8 pages, 8 figures. Submitted to Journal of Instrumentation (JINST). Proceedings of the 23rd International Workshop on Radiation Imaging Detectors IWORID 202

Probing the $CP$ nature of the top-Higgs Yukawa coupling in $t\bar{t}H$ and $tH$ events with $H \to b\bar{b}$ decays using the ATLAS detector at the LHC

ArXiv 2303.05974 (2023)

Search for third-generation vector-like leptons in $pp$ collisions at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector

ArXiv 2303.05441 (2023)

Search for pair production of third-generation leptoquarks decaying into a bottom quark and a $τ$-lepton with the ATLAS detector

ArXiv 2303.01294 (2023)