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ATLAS Notes

2022-12-02
15:24
 Measurement of the $t\bar{t}$ cross-section and $t\bar{t}/Z$ cross-section ratio using LHC Run 3 $pp$ collision data at a centre-of-mass energy of $\sqrt{s} = 13.6$ TeV The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s} = 13.6$ TeV, using 1.2 fb${}^{-1}$ of data collected in August 2022 by the ATLAS experiment at the Large Hadron Collider. [...] ATLAS-CONF-2022-070. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-12-01
15:30
 Performance Studies of the Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector in Beam Tests / Raskina, Valentina (Centre National de la Recherche Scientifique (FR)) The significant increase of pileup interactions is one of the main experimental challenges for the physics program during the High Luminosity (HL) LHC operation phase. [...] ATL-HGTD-PROC-2022-005. - 2022. - 8 p. Original Communication (restricted to ATLAS) - Full text

2022-11-30
13:04
 Charge asymmetry in top-pair production with the ATLAS detector / Eckerova, Barbora (Comenius University (SK)) Measurement of the inclusive and differential top-quark charge asymmetry is carried out using full Run2 data from proton-proton collisions at center-of-mass energy of $13$ TeV collected by the ATLAS detector. [...] ATL-PHYS-PROC-2022-117. - 2022. - 5 p. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:47
 Search for dark matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{s} =13$ TeV with the ATLAS detector A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying $\tau$-leptons and missing transverse momentum is presented. [...] ATLAS-CONF-2022-069. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:46
 Evidence of off-shell Higgs boson production and constraints on the total width of the Higgs boson in the $ZZ\rightarrow 4\ell$ and $ZZ\rightarrow 2\ell2\nu$ decay channels with the ATLAS detector This note reports a search for off-shell production of the Higgs boson using 139 fb$^{-1}$of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2022-068. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:45
 Measurement of the Higgs boson production cross section in association with a vector boson and decaying into $WW^\ast$ with the ATLAS detector at $\sqrt{s} = 13$ TeV A measurement of the total Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H\to WW^{*}\to \ell\nu\ell\nu$ and $H\to WW^{*} \to \ell\nu jj$ decays is presented. [...] ATLAS-CONF-2022-067. - 2022. Original Communication (restricted to ATLAS) - Full text

2022-11-29
20:43
 Search for heavy resonances in the decay channel 𝑾+𝑾− → 𝒆𝝂𝝁𝝂 in 𝒑 𝒑 Collisions at √𝒔 = 13 TeV using 139 fb−1 of data with the ATLAS detector A search for neutral heavy resonances (𝑅) is made in the 𝑊+𝑊− → 𝑒𝜈𝜇𝜈 decay channel using 𝑝𝑝 collision data corresponding to an integrated luminosity of 139 fb−1, collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at the CERN Large Hadron Collider. [...] ATLAS-CONF-2022-066. - 2022. - 34 p. Original Communication (restricted to ATLAS) - Full text

2022-11-28
16:50
 The readout panels for the BI-RPC project for ATLAS Phase-II upgrade / Schioppa, Marco (Universita della Calabria e INFN (IT)) ; Sun, Yongjie (University of Science and Technology of China (CN)) - author of the proceeding To take full advantage from the LHC upgrade to high luminosity in 2029, the ATLAS community has approved an intensive detector upgrade program that includes the con- struction of an additional trigger layer positioned close to the BI MDT chambers of the muon spectrometer. [...] ATL-UPGRADE-PROC-2022-003. - 2022. - 6 p. Original Communication (restricted to ATLAS) - Full text

2022-11-25
20:39
 Monte Carlo modelling of loop-induced $ZH$ production in ATLAS This note presents and compares Monte Carlo generator predictions for the loop-induced production of a Higgs boson, $H$, in association with a $Z$ boson. [...] ATL-PHYS-PUB-2022-055. - 2022. - 14 p. Original Communication (restricted to ATLAS) - Full text

2022-11-23
09:59
 The Serial and LVDS repeaters for the ATLAS New Small Wheel sTGC trigger Serial and LVDS repeaters boards will be used in the electronics chain from the NSW sTGC Pad Front End boards - pFEBs - to the Pad Trigger, from the Pad Trigger to the strips FE boards - sFEBs - and from there to the Router boards [...] ATL-MUON-PUB-2022-003. - 2022. - 20 p. Original Communication (restricted to ATLAS) - Full text

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