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View article: Experiences and lessons learned from the End-of-Substructure card production of the ATLAS ITk Strip upgrade
Experiences and lessons learned from the End-of-Substructure card production of the ATLAS ITk Strip upgrade Open
The silicon tracker of the ATLAS experiment will be upgraded for the upcoming High-Luminosity Upgrade of the LHC. The main building blocks of the new strip tracker are modules that consist of silicon sensors and hybrid PCBs hosting the rea…
View article: A High-Flux Electron Detector System to Measure Non-linear Compton Scattering at LUXE
A High-Flux Electron Detector System to Measure Non-linear Compton Scattering at LUXE Open
Recently, advancements in high-intensity laser technology have enabled the exploration of non-perturbative Quantum Electrodynamics (QED) in strong-field regimes. Notable aspects include non-linear Compton scattering and Breit-Wheeler pair …
View article: High-rate electron detectors to study Compton scattering in non-perturbative QED
High-rate electron detectors to study Compton scattering in non-perturbative QED Open
Research in non-perturbative QED in strong-field backgrounds has gained interest in recent years, due to advances in high-intensity laser technologies that make extreme fields accessible in the laboratory. One key signature of strong-field…
Reliability of SiC MOSFET Power Modules under Consecutive H3TRB and Power Cycling Stress Open
Power semiconductor modules are subject to both thermo-mechanical stress and electro-chemical stress during field operation. Usually, those stressors are investigated separately and possible interaction of both degradation mechanisms is ne…
View article: Current status of the end-of-substructure (EoS) card project for the ATLAS strip tracker upgrade using final ASICs
Current status of the end-of-substructure (EoS) card project for the ATLAS strip tracker upgrade using final ASICs Open
In the context of the high-luminosity upgrade of the LHC and ATLAS, the microstrip-tracking detector will be redesigned. The main building blocks are substructures with multiple sensors and their electronics. Each substructure will have a …
View article: High-rate electron detectors to study Compton scattering in non-perturbative QED
High-rate electron detectors to study Compton scattering in non-perturbative QED Open
Research in non-perturbative QED in strong-field backgrounds has gained interest in recent years, due to advances in high-intensity laser technologies that make extreme fields accessible in the laboratory. One key signature of strong-field…
View article: Performance tests of dual-phase CO<sub>2</sub> cooling for particle detectors
Performance tests of dual-phase CO<sub>2</sub> cooling for particle detectors Open
Evaporative CO 2 cooling is becoming a popular cooling solution for large-scale, high-energy particle detectors, such as the new ATLAS Inner Tracker (ITk) for the high-luminosity upgrade of the LHC. CO 2 offers a high latent heat transfer …
Comparison of the H3TRB Performance of Silicon and Silicon Carbide Power Modules Open
In this work, the H3TRB performance of power modules with SiC MOSFET chips is investigated and compared to their silicon counterparts with similar electrical ratings. For this purpose, SiC MOSFETs and silicon IGBT chips are packaged in the…
View article: arXiv : Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding
arXiv : Measurement of lepton-jet correlation in deep-inelastic scattering with the H1 detector using machine learning for unfolding Open
The first measurement of lepton-jet momentum imbalance and azimuthal correlation in lepton-proton scattering at high momentum transfer is presented. These data, taken with the H1 detector at HERA, are corrected for detector effects using a…
View article: Preservation through modernisation: The software of the H1 experiment at HERA
Preservation through modernisation: The software of the H1 experiment at HERA Open
\nThe lepton–proton collisions produced at the HERA collider represent a unique high energy physics data set. A number of years after the end of collisions, the data collected by the H1 experiment, as well as the simulated events and all s…
View article: Measurement of hadronic event shapes in multijet final states at $sqrt{s}=13$ TeV with the ATLAS detector
Measurement of hadronic event shapes in multijet final states at $sqrt{s}=13$ TeV with the ATLAS detector Open
A measurement of event-shape variables in proton$-$proton collisions at large momentum transfer is presented using data collected at $\\sqrt{s} = 13$ TeV with the ATLAS detector at the Large Hadron Collider. Six event-shape variables calcu…
The Array Control and Data Acquisition System of the Cherenkov Telescope Array Open
The Cherenkov Telescope Array (CTA) project is the initiative to build the next-generation gamma-ray observatory. With more than 100 telescopes planned to be deployed in two sites, CTA is one of the largest astronomical facilities under co…
View article: Test of the universality of $\tau$ and $\mu$ lepton couplings in $W$-boson decays from $t\bar{t}$ events with the ATLAS detector
Test of the universality of $\tau$ and $\mu$ lepton couplings in $W$-boson decays from $t\bar{t}$ events with the ATLAS detector Open
The Standard Model of particle physics encapsulates our current best understanding of physics at the smallest scales. A fundamental axiom of this theory is the universality of the couplings of the different generations of leptons to the el…
View article: Comparison of fragmentation functions for light-quark- and gluon-dominated jets from $pp$ and Pb+Pb collisions in ATLAS
Comparison of fragmentation functions for light-quark- and gluon-dominated jets from $pp$ and Pb+Pb collisions in ATLAS Open
Charged-particle fragmentation functions for jets azimuthally balanced by a high-transverse-momentum, prompt, isolated photon are measured in 25 pb−1 of pp and 0.49 nb−1 of Pb+Pb collision data at 5.02 TeV per nucleon pair recorded with th…
The Impact of Applying Wildcards to Disabled Modules for Ftk Pattern Banks on Efficiency and Data Flow Open
Online selection is an essential step to collect the most relevant collisions from the very large number of collisions inside the ATLAS detector at the Large Hadron Collider (LHC). The Fast TracKer (FTK) is a hardware based track finder, b…
New results on parton densities of nucleons and nuclei Open
Following the concept of QCD collinear factorisation, collisions involving nucleons or nuclei are commonly described with the help of collinear parton density functions (PDFs). The PDFs are often determined in fits to a variety of datasets…
Charm and Beauty Production in Deep-inelastic Scattering at HERA Open
Measurements of open beauty and charm production cross sections in deep inelastic scattering (DIS) at HERA by the H1 and ZEUS Collaborations are combined. Reduced cross sections for beauty and charm production are obtained in $ep$ collisio…