AliceO2Group/O2Physics
Oct 2024 – Mar 2026
12 Months active
Languages Used
C++
Technical Skills
Data AnalysisPhysics SimulationC++ DevelopmentPhysics AnalysisHigh Energy PhysicsParticle Physics
Josué Martínez García
PROFILE
Josué Martínez García
Josue Martinez Garcia developed advanced data analysis and simulation features for the AliceO2Group/O2Physics repository, focusing on high energy and particle physics workflows. He engineered robust histogramming and correlation analysis modules in C++ and ROOT, introducing dynamic configuration, event filtering, and performance optimizations to improve analysis fidelity and reproducibility. His work included enhancements to luminosity stability monitoring, angular correlation studies, and event selection logic, addressing both feature development and critical bug fixes. By refining data processing pipelines and implementing algorithmic improvements, Josue enabled more accurate physics analyses and streamlined downstream workflows, demonstrating depth in scientific computing and software engineering practices.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
19Total
Bugs
2
Commits
19
Features
14
Lines of code
3,739
Activity Months12
Your Network
139 peopleShared Repositories
139
Work History
March 2026
1 Commits • 1 Features
Mar 1, 2026March 2026 Monthly Summary for AliceO2Group/O2Physics: Delivered an enhanced event analysis filtering capability for collision events in the upcPhotonuclearAnalysisJMG module, introducing configurable selection criteria to improve data quality and enable more precise physics selections. This work directly supports downstream analyses and PWGUD analytics goals by reducing manual filtering and increasing processing efficiency. No major bug fixes are documented in the provided data for this repository during March 2026. Technologies demonstrated include C++ modular analytics design, integration with the upcPhotonuclearAnalysisJMG component, and disciplined commit-based development (PR/commit reference provided).
1 Commits • 1 Features
Mar 1, 2026March 2026 Monthly Summary for AliceO2Group/O2Physics: Delivered an enhanced event analysis filtering capability for collision events in the upcPhotonuclearAnalysisJMG module, introducing configurable selection criteria to improve data quality and enable more precise physics selections. This work directly supports downstream analyses and PWGUD analytics goals by reducing manual filtering and increasing processing efficiency. No major bug fixes are documented in the provided data for this repository during March 2026. Technologies demonstrated include C++ modular analytics design, integration with the upcPhotonuclearAnalysisJMG component, and disciplined commit-based development (PR/commit reference provided).
March 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for AliceO2Group/O2Physics. Key focus: stability and accuracy improvements in LumiStabilityTask. Delivered a new leading bunch crossing (BC) definition to enhance the stability and accuracy of data processing in LumiStabilityTask. The change is implemented as part of LumiStabilityTask and tracked with commit b7025fc1c0073610bbd9f335d07af6aedf9637a5 (PR #14743). This work lays groundwork for further BC refinement and improves data quality for downstream physics analysis. No major bugs fixed this month; stability-focused feature delivered.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 monthly summary for AliceO2Group/O2Physics. Key focus: stability and accuracy improvements in LumiStabilityTask. Delivered a new leading bunch crossing (BC) definition to enhance the stability and accuracy of data processing in LumiStabilityTask. The change is implemented as part of LumiStabilityTask and tracked with commit b7025fc1c0073610bbd9f335d07af6aedf9637a5 (PR #14743). This work lays groundwork for further BC refinement and improves data quality for downstream physics analysis. No major bugs fixed this month; stability-focused feature delivered.
November 2025
4 Commits • 3 Features
Nov 1, 2025November 2025 monthly summary for AliceO2Group/O2Physics focusing on delivering impactful features, resolving data-analysis issues, and strengthening data quality for robust physics results.
4 Commits • 3 Features
Nov 1, 2025November 2025 monthly summary for AliceO2Group/O2Physics focusing on delivering impactful features, resolving data-analysis issues, and strengthening data quality for robust physics results.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. Focused on delivering a feature in the AliceO2Group/O2Physics repository that enhances angular correlation analysis in UpcPhotonuclearAnalysisJMG by adding new histograms across multiplicity ranges. This supports detailed physics studies and improves analysis fidelity, traceability through commit references, and lays groundwork for further multiplicity-based correlations.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10. Focused on delivering a feature in the AliceO2Group/O2Physics repository that enhances angular correlation analysis in UpcPhotonuclearAnalysisJMG by adding new histograms across multiplicity ranges. This supports detailed physics studies and improves analysis fidelity, traceability through commit references, and lays groundwork for further multiplicity-based correlations.
September 2025
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for AliceO2Group/O2Physics focusing on delivering robust physics-grade data products with improved angular distributions and acceptance corrections. Key features and bug-fix work delivered in UpcPhotonuclearAnalysisJMG and NUA weighting workflows increased accuracy, consistency, and data clarity, enabling more reliable physics interpretations and downstream analyses.
3 Commits • 2 Features
Sep 1, 2025September 2025 monthly summary for AliceO2Group/O2Physics focusing on delivering robust physics-grade data products with improved angular distributions and acceptance corrections. Key features and bug-fix work delivered in UpcPhotonuclearAnalysisJMG and NUA weighting workflows increased accuracy, consistency, and data clarity, enabling more reliable physics interpretations and downstream analyses.
September 2025
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 (2025-08) – Delivered Photonuclear analysis enhancements in AliceO2Group/O2Physics. Implemented azimuthal correlation for both sides (A and C), Nuclear Uncertainty Approximation (NUA) correction, refined track selection criteria, and introduced new histograms for detailed analysis of collision events and track properties. Work committed as 93be4fbcbc96acb00a4f4e1277c2c649d0a5f31e (#12596). No explicit major bugs fixed in this repo for the month. Impact: higher analysis fidelity for photonuclear studies, more precise event characterization, and improved handling of uncertainties. Technologies: C++/ROOT, histogramming, data selection, uncertainty correction, version control, and cross-team collaboration.
August 2025
1 Commits • 1 Features
Aug 1, 2025August 2025 (2025-08) – Delivered Photonuclear analysis enhancements in AliceO2Group/O2Physics. Implemented azimuthal correlation for both sides (A and C), Nuclear Uncertainty Approximation (NUA) correction, refined track selection criteria, and introduced new histograms for detailed analysis of collision events and track properties. Work committed as 93be4fbcbc96acb00a4f4e1277c2c649d0a5f31e (#12596). No explicit major bugs fixed in this repo for the month. Impact: higher analysis fidelity for photonuclear studies, more precise event characterization, and improved handling of uncertainties. Technologies: C++/ROOT, histogramming, data selection, uncertainty correction, version control, and cross-team collaboration.
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for AliceO2Group/O2Physics focusing on PWGUD Gap-Side correlation analysis enhancements and event mixing optimizations. Delivered richer track information and improved processing logic to enhance correlation quality and analysis throughput for UPC-related analyses. Key improvements touch both feature delivery and performance, with clear impacts on data fidelity and run-time efficiency.
2 Commits • 1 Features
Jun 1, 2025June 2025 performance summary for AliceO2Group/O2Physics focusing on PWGUD Gap-Side correlation analysis enhancements and event mixing optimizations. Delivered richer track information and improved processing logic to enhance correlation quality and analysis throughput for UPC-related analyses. Key improvements touch both feature delivery and performance, with clear impacts on data fidelity and run-time efficiency.
June 2025
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for AliceO2Group/O2Physics focusing on PWGUD correlation study feature development. Key deliverable: new Correlation Study Feature enabling particle pair correlation analysis. Introduced UPCPairCuts.h and integrated into build and analysis (upcPhotonuclearAnalysisJMG.cxx, CMakeLists.txt). This work is backed by commit 0daa29d1d41011e5da260856cb78237f130ff011 ([PWGUD] Adding correlation study (#11333)) and establishes the foundation for enhanced PWGUD analyses, enabling more precise physics insights and reproducible workflows.
May 2025
1 Commits • 1 Features
May 1, 2025May 2025 monthly summary for AliceO2Group/O2Physics focusing on PWGUD correlation study feature development. Key deliverable: new Correlation Study Feature enabling particle pair correlation analysis. Introduced UPCPairCuts.h and integrated into build and analysis (upcPhotonuclearAnalysisJMG.cxx, CMakeLists.txt). This work is backed by commit 0daa29d1d41011e5da260856cb78237f130ff011 ([PWGUD] Adding correlation study (#11333)) and establishes the foundation for enhanced PWGUD analyses, enabling more precise physics insights and reproducible workflows.
April 2025
2 Commits • 1 Features
Apr 1, 2025Monthly summary for 2025-04 focusing on AliceO2Group/O2Physics LumiStability work. Delivered leading Bunch Crossing (BC) pattern detection and time-based histogram analysis enhancements in LumiStabilityTask with histogram refactorings, new leading BC histograms, and corrected rate calculations through event timestamping. Implemented time-based analytics by adjusting rate histograms to 12-hour bins and adding a time-of-leading BC histogram for counts by time of leading BCs in FDD and FT0 detectors. These changes improve luminosity stability monitoring and long-term trend visibility, enabling earlier anomaly detection and more reliable calibrations.
2 Commits • 1 Features
Apr 1, 2025Monthly summary for 2025-04 focusing on AliceO2Group/O2Physics LumiStability work. Delivered leading Bunch Crossing (BC) pattern detection and time-based histogram analysis enhancements in LumiStabilityTask with histogram refactorings, new leading BC histograms, and corrected rate calculations through event timestamping. Implemented time-based analytics by adjusting rate histograms to 12-hour bins and adding a time-of-leading BC histogram for counts by time of leading BCs in FDD and FT0 detectors. These changes improve luminosity stability monitoring and long-term trend visibility, enabling earlier anomaly detection and more reliable calibrations.
April 2025
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for AliceO2Group/O2Physics focusing on luminosity stability analysis enhancements. Delivered refactor and enhancements to the Lumi stability analysis task, including renaming the stability struct, updating histogram definitions, adding new time-based rate histograms, and adjusting data-year configurable parameters to improve tracking of luminosity stability over time. Commit reference: 2a949440403b662e15f6cd68014f2a977ae2f15d (PWGMM: Lumi #9073).
January 2025
1 Commits • 1 Features
Jan 1, 2025January 2025 monthly summary for AliceO2Group/O2Physics focusing on luminosity stability analysis enhancements. Delivered refactor and enhancements to the Lumi stability analysis task, including renaming the stability struct, updating histogram definitions, adding new time-based rate histograms, and adjusting data-year configurable parameters to improve tracking of luminosity stability over time. Commit reference: 2a949440403b662e15f6cd68014f2a977ae2f15d (PWGMM: Lumi #9073).
November 2024
1 Commits • 1 Features
Nov 1, 2024Summary for 2024-11: In AliceO2Group/O2Physics, delivered dynamic orbit histogram handling for PWGMM-Lumi luminosity measurements, improving stability and accuracy by making histograms dynamic across runs and updating the default orbit configuration. Implemented per-run histogram adaptation and refactored creation logic; tied to commit bb3e85b9d6aca7c723bd48eeb7375ff244aecc7f. Resolved orbit histogram per-run number issues (#8246), reducing run-to-run discrepancies and manual maintenance. Overall impact: more reliable luminosity calibrations enabling precise downstream physics analyses; technical accomplishments include C++/ROOT data processing improvements, run-based configuration, and refactoring for dynamic histograms. Technologies/skills demonstrated: dynamic configuration, code refactoring, ROOT histogram handling, run-based data processing, issue tracking (GitHub #8246).
1 Commits • 1 Features
Nov 1, 2024Summary for 2024-11: In AliceO2Group/O2Physics, delivered dynamic orbit histogram handling for PWGMM-Lumi luminosity measurements, improving stability and accuracy by making histograms dynamic across runs and updating the default orbit configuration. Implemented per-run histogram adaptation and refactored creation logic; tied to commit bb3e85b9d6aca7c723bd48eeb7375ff244aecc7f. Resolved orbit histogram per-run number issues (#8246), reducing run-to-run discrepancies and manual maintenance. Overall impact: more reliable luminosity calibrations enabling precise downstream physics analyses; technical accomplishments include C++/ROOT data processing improvements, run-based configuration, and refactoring for dynamic histograms. Technologies/skills demonstrated: dynamic configuration, code refactoring, ROOT histogram handling, run-based data processing, issue tracking (GitHub #8246).
November 2024
October 2024
1 Commits
Oct 1, 2024October 2024 monthly summary for AliceO2Group/O2Physics focused on reliability and data integrity improvements in histogram processing. Delivered a critical bug fix for AliHyperloop histogram data integrity by ensuring single-run processing, preventing data corruption and inaccurate analyses across runs. The change reinforces reproducibility and trust in physics results while maintaining a light code surface footprint.
October 2024
1 Commits
Oct 1, 2024October 2024 monthly summary for AliceO2Group/O2Physics focused on reliability and data integrity improvements in histogram processing. Delivered a critical bug fix for AliHyperloop histogram data integrity by ensuring single-run processing, preventing data corruption and inaccurate analyses across runs. The change reinforces reproducibility and trust in physics results while maintaining a light code surface footprint.
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Quality Metrics
Correctness82.0%
Maintainability81.0%
Architecture79.0%
Performance74.2%
AI Usage23.2%
Skills & Technologies
Programming Languages
C++
Technical Skills
C++C++ DevelopmentC++ programmingData AnalysisData ProcessingHigh Energy PhysicsParticle PhysicsPerformance OptimizationPhysics AnalysisPhysics SimulationSoftware DevelopmentSoftware Engineeringalgorithm optimizationdata analysishistogramming
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