AliceO2Group/O2Physics
Feb 2025 – Apr 2026
6 Months active
Languages Used
C++
Technical Skills
Data AnalysisParticle PhysicsPhysics Software DevelopmentSoftware DevelopmentC++High Energy Physics
Himanshu Sharma
PROFILE
Himanshu Sharma
Contributed to the AliceO2Group/O2Physics repository by developing and refining data analysis features and bug fixes for high energy and particle physics workflows. Over six months, delivered enhancements to particle identification data integrity, implemented new histograms and quality assurance metrics for Ultra-Peripheral Collision (UPC) analyses, and improved data processing reliability for Run 3 studies. Used C++ and scientific computing techniques to address issues in data retrieval, candidate selection, and analytics robustness, including machine learning score validation. Maintained clear, traceable commits and collaborated through Git, ensuring that updates improved data quality, analysis readiness, and the reliability of downstream physics results.
Overall Statistics
Feature vs Bugs
57%Features
Repository Contributions
11Total
Bugs
3
Commits
11
Features
4
Lines of code
353
Activity Months6
Your Network
145 peopleWork History
April 2026
2 Commits • 1 Features
Apr 1, 2026April 2026 (2026-04) monthly summary for AliceO2Group/O2Physics. Focused on elevating data quality and analysis readiness for Ultra-Peripheral Collisions (UPC) through targeted QA enhancements and data model improvements. Delivered concrete improvements that enhance data collection, QA monitoring, and downstream physics analyses.
2 Commits • 1 Features
Apr 1, 2026April 2026 (2026-04) monthly summary for AliceO2Group/O2Physics. Focused on elevating data quality and analysis readiness for Ultra-Peripheral Collisions (UPC) through targeted QA enhancements and data model improvements. Delivered concrete improvements that enhance data collection, QA monitoring, and downstream physics analyses.
April 2026
March 2026
4 Commits • 1 Features
Mar 1, 2026March 2026: O2Physics D0 UPC analytics enhancements and robustness improvements. Delivered new UPC histograms (gap vs Eta, gap vs Rap), integration of primary vertex contributors to improve data representation, added PID, track eta, and ZDC energy/time histograms with configurable options in the UPC processing pipeline, and implemented an ML score array size check to prevent potential out-of-bounds errors in the D0 UPC processing. These changes improve analytics coverage, data quality, and pipeline reliability for Run 3 UPC analyses.
March 2026
4 Commits • 1 Features
Mar 1, 2026March 2026: O2Physics D0 UPC analytics enhancements and robustness improvements. Delivered new UPC histograms (gap vs Eta, gap vs Rap), integration of primary vertex contributors to improve data representation, added PID, track eta, and ZDC energy/time histograms with configurable options in the UPC processing pipeline, and implemented an ML score array size check to prevent potential out-of-bounds errors in the D0 UPC processing. These changes improve analytics coverage, data quality, and pipeline reliability for Run 3 UPC analyses.
October 2025
1 Commits
Oct 1, 2025October 2025 monthly summary for AliceO2Group/O2Physics focusing on correcting selection status handling for Xic-to-PKPi and Xic-to-PiKP paths, ensuring data integrity for PID workflows and reliable downstream analytics.
1 Commits
Oct 1, 2025October 2025 monthly summary for AliceO2Group/O2Physics focusing on correcting selection status handling for Xic-to-PKPi and Xic-to-PiKP paths, ensuring data integrity for PID workflows and reliable downstream analytics.
October 2025
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary for AliceO2Group/O2Physics: Focused on data-processing reliability in PWGHF analyses. Implemented a critical bug fix in THnSparse Fill argument handling for taskXic data processing, ensuring correct data points are recorded and improving PWGHF data integrity.
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary for AliceO2Group/O2Physics: Focused on data-processing reliability in PWGHF analyses. Implemented a critical bug fix in THnSparse Fill argument handling for taskXic data processing, ensuring correct data points are recorded and improving PWGHF data integrity.
March 2025
1 Commits • 1 Features
Mar 1, 2025In March 2025, delivered a focused feature for XicToPKPi candidates within the O2Physics repository, enhancing analysis capabilities by recording swapping information and pion-daughter status in the tree creator. This enables more precise reconstruction studies and downstream selection optimization.
1 Commits • 1 Features
Mar 1, 2025In March 2025, delivered a focused feature for XicToPKPi candidates within the O2Physics repository, enhancing analysis capabilities by recording swapping information and pion-daughter status in the tree creator. This enables more precise reconstruction studies and downstream selection optimization.
March 2025
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 performance summary for AliceO2Group/O2Physics: focused on strengthening PID data integrity and retrieval reliability for XicTree and PWGHF. Implemented candidateSwapped information and corrected PID getters in XicTree; fixed PWGHF TPC-TOF PID data retrieval by aligning column names with getters. These changes reduce data inconsistencies, enabling more reliable PID-based analyses and more trustworthy physics results. Delivered through targeted code updates with clear, traceable commits in the O2Physics repository, demonstrating solid C++ data-model work, testing discipline, and Git collaboration.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025 performance summary for AliceO2Group/O2Physics: focused on strengthening PID data integrity and retrieval reliability for XicTree and PWGHF. Implemented candidateSwapped information and corrected PID getters in XicTree; fixed PWGHF TPC-TOF PID data retrieval by aligning column names with getters. These changes reduce data inconsistencies, enabling more reliable PID-based analyses and more trustworthy physics results. Delivered through targeted code updates with clear, traceable commits in the O2Physics repository, demonstrating solid C++ data-model work, testing discipline, and Git collaboration.
Activity
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Quality Metrics
Correctness89.0%
Maintainability87.2%
Architecture83.6%
Performance81.8%
AI Usage23.6%
Skills & Technologies
Programming Languages
C++
Technical Skills
C++C++ programmingData AnalysisData ProcessingHigh Energy PhysicsMachine LearningParticle PhysicsPhysics Software DevelopmentSoftware Developmentdata analysisdata visualizationhigh energy physicshistogrammingscientific computing
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