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Joshua Koenig

PROFILE

Joshua Koenig

Joshua König developed and enhanced calibration, quality control, and data acquisition features for the AliceO2Group repositories, focusing on the EMCal detector. He implemented configurable Monte Carlo time-shift corrections and temperature and gain calibration options, improving timing and energy measurement accuracy in O2Physics. In QualityControl, Joshua refined error handling and operator messaging, introducing configurable thresholds and clearer diagnostics to reduce false alarms and improve data-taking efficiency. His work, primarily in C++ and the ROOT framework, addressed both feature development and bug fixes, demonstrating depth in detector calibration, embedded systems, and data analysis while ensuring robust, maintainable solutions for physics data workflows.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

10Total
Bugs
1
Commits
10
Features
6
Lines of code
436
Activity Months4

Work History

July 2025

6 Commits • 3 Features

Jul 1, 2025

July 2025 monthly summary focusing on business value and technical achievements across the AliceO2 Group repositories. Key outcomes include corrected EMCAL calibration for Super Modules, added temperature and gain calibration capabilities for EMCal, and enhanced data-quality monitoring, enabling more reliable energy reconstruction and detector health assessment across production workflows. Key highlights: - Calibration accuracy and reliability improvements for EMCal enable more trustworthy energy measurements, reducing calibration-related data quality risks in physics analyses and detector performance reviews.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025: Concise monthly summary for AliceO2Group/QualityControl. Delivered a focused enhancement to RawErrorCheck messaging to improve operator situational awareness and response efficiency. This work refined error/warning differentiation, distinguishing between critical and non-critical thresholds and updating notification text to convey precise raw error conditions. While no separate bugs fixes are documented for this period, the improved messaging reduces false alarms and accelerates troubleshooting, contributing to overall system reliability and maintainability.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 monthly summary for AliceO2Group/QualityControl focused on stabilizing EMCAL QC and data-taking readiness through improved anomaly visibility and configurable tolerances. Key changes reduced data-taking interruptions and improved operator visibility of issues, while maintaining data quality.

November 2024

1 Commits • 1 Features

Nov 1, 2024

November 2024 — O2Physics (AliceO2Group): Implemented configurable EMCal MC time-shift correction to align Monte Carlo cluster times with flight-path timing. The feature supports a constant shift or an eta-dependent shift, enabling more accurate MC timing models and reducing MC/Data timing discrepancies for EMCal analyses. Change tracked under commit d807fe708de42b4f0a741e8d6c3d23d9fd94de0f (PR #8153). This work lays the groundwork for improved physics accuracy and streamlined timing calibrations in future releases.

Activity

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Quality Metrics

Correctness87.0%
Maintainability86.0%
Architecture84.0%
Performance76.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

C++ROOT

Technical Skills

C++CalibrationConfiguration ManagementData AcquisitionData AnalysisDetector CalibrationEmbedded SystemsError HandlingMonte Carlo SimulationPhysics AnalysisPhysics SimulationQuality ControlROOT FrameworkSoftware Development

Repositories Contributed To

3 repos

Overview of all repositories you've contributed to across your timeline

AliceO2Group/O2Physics

Nov 2024 Jul 2025
2 Months active

Languages Used

C++

Technical Skills

Detector CalibrationMonte Carlo SimulationPhysics SimulationC++CalibrationData Analysis

AliceO2Group/QualityControl

May 2025 Jul 2025
3 Months active

Languages Used

C++ROOT

Technical Skills

C++Configuration ManagementData AcquisitionData AnalysisEmbedded SystemsQuality Control

AliceO2Group/AliceO2

Jul 2025 Jul 2025
1 Month active

Languages Used

C++

Technical Skills

Detector CalibrationEmbedded Systems

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