J. S. Keller
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View article: Test beam measurements and computer simulations of the ATLAS ITk R2 silicon strip detector
Test beam measurements and computer simulations of the ATLAS ITk R2 silicon strip detector Open
The ATLAS Inner Tracker, the future innermost part of the ATLAS detector, is an all-silicon tracker composed of pixel and strip modules, designed to cope with the extreme conditions expected during High-Luminosity LHC runs. Thorough testin…
View article: Understanding the Humidity Sensitivity of Sensors with TCAD Simulations
Understanding the Humidity Sensitivity of Sensors with TCAD Simulations Open
The breakdown voltage of silicon sensors without special surface is known to be affected by the ambient humidity. To understand the sensor's humidity sensitivity, Synopsys TCAD was used to simulate n-in-p test structures for different effe…
View article: Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge
Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge Open
Construction of the new all-silicon Inner Tracker (ITk), developed by the ATLAS collaboration to be able to track charged particles produced at the High-Luminosity LHC, started in 2021 and is expected to continue until 2028. The ITk detect…
View article: Pegasus Simulator: An Isaac Sim Framework for Multiple Aerial Vehicles Simulation
Pegasus Simulator: An Isaac Sim Framework for Multiple Aerial Vehicles Simulation Open
Developing and testing novel control and motion planning algorithms for aerial vehicles can be a challenging task, with the robotics community relying more than ever on 3D simulation technologies to evaluate the performance of new algorith…
View article: Test beam measurement of ATLAS ITk Short Strip module at warm and cold operational temperature
Test beam measurement of ATLAS ITk Short Strip module at warm and cold operational temperature Open
This study is focused on an investigation of the performance of the Short Strip module developed by the ATLAS Inner Tracker (ITk) strip collaboration using electron beams of energy 5.4 GeV and 5.8 GeV at the DESY-II Testbeam Facility. The …
View article: Off-Policy Evaluation with Online Adaptation for Robot Exploration in Challenging Environments
Off-Policy Evaluation with Online Adaptation for Robot Exploration in Challenging Environments Open
Autonomous exploration has many important applications. However, classic information gain-based or frontier-based exploration only relies on the robot current state to determine the immediate exploration goal, which lacks the capability of…
View article: EUDAQ—a data acquisition software framework for common beam telescopes
EUDAQ—a data acquisition software framework for common beam telescopes Open
EUDAQ is a generic data acquisition software developed for use in conjunction with common beam telescopes at charged particle beam lines. Providing high-precision reference tracks for performance studies of new sensors, beam telescopes are…
View article: Investigations into the impact of bond pads and p-stop implants on the detection efficiency of silicon micro-strip sensors
Investigations into the impact of bond pads and p-stop implants on the detection efficiency of silicon micro-strip sensors Open
The High Luminosity Upgrade of the LHC will require the replacement of the Inner Detector of ATLAS with the Inner Tracker (ITk) in order to cope with higher radiation levels and higher track densities. Prototype silicon strip detector modu…
View article: Search for ttH Production with Higgs Decays to b quarks at ATLAS
Search for ttH Production with Higgs Decays to b quarks at ATLAS Open
Observing Higgs boson production in association with a pair of top quarks would allow a direct measurement of the top quark Yukawa coupling and provide an important test of the Higgs mechanism within the Standard Model. A search for this p…