Monthly Summary for 2026-03: Delivered end-to-end enhancements across DUNE detector software, focusing on optical detection, ROI analysis, and LArTPC reconstruction, with notable performance optimizations.

November 2025 monthly summary for DUNE software development. Delivered key user-facing enhancements in SolarNuAna (duneana) and initialization/refactor improvements in ProducerUtils (dunecore). The work focused on increasing analysis sensitivity, expanding data collection capabilities, and simplifying configuration and maintenance across repositories. Highlights include AdjOpFlash data collection enhancements, adjacent optical flash generation, new signal/background configurations and event projection for DUNE FD, PDS matching threshold tuning in VD shielded, and a streamlined ProducerUtils initialization path with compatibility improvements.

Concise monthly summary for 2025-10 highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated. Key features delivered: - SolarNuAna (DUNE/duneana): Implemented SolarNuAna Flash Matching and Attenuation Corrections, including FHICL parameter updates, default value refinements, import of flash cut from library, updated flash analysis defaults, and new flash clustering variable; updated light map format and VD flash parameters; added improvements to plane finding buffer. - SolarNuAna Clustering with TPC Reconstruction: Integrated RECO TPC into clustering workflow to improve clustering accuracy; added missing variables and TPC cut to adj cluster matching. - Generator Label Typos and Config Cleanup: Fixed generator label typos, cleaned up test configurations, and removed test FHICLs to stabilize test suites. - LowEUtils/ duna- based improvements (DUNE/dunereco): Enhanced light attenuation handling, adjacent flash selection using signal light map, new attenuation-related parameters, and updated min PE cut handling; introduced TPC identifier in solar cluster data structure to improve per-TPC matching; performed code readability cleanup. - DuneOPDet: HD Flash Finder improvements including plane handling simplification and updated plane finding buffer; added OpHit clustering flexibility to allow multi-cluster membership. Major bugs fixed: - Generator label typos and test configuration issues resolved. - Test FHICLs removed to stabilize test suites and reduce false negatives. Overall impact and accomplishments: - Improved event reconstruction accuracy and robustness through cross-module integration (SolarNuAna, LowEUtils, TPC-aware clustering) and enhanced attenuation modeling. - Enabled more accurate clustering and matching across detectors (TPC-integrated clustering, per-TPC solar clusters, multi-cluster OpHits). - Enhanced maintainability with code cleanup and clearer configuration handling, reducing technical debt and preparing for future performance improvements. Technologies/skills demonstrated: - C++ cross-repo contribution, data structure enhancements, and feature integration (SolarNuAna, Dunereco, DuneOPDet). - Attenuation modeling, light map handling, FHICL parameter management, and test/config hygiene. - Clustering algorithms tuning and TPC-aware reconstruction workflows.

September 2025 monthly summary focused on delivering realistic, shielded detector simulations in the DUNE software stack (DUNE/dunesw, DUNE/dunesim). Key work centered on neutron production configuration, shielded production scenarios, and shielded background modeling to enable credible physics studies and robust background assessments for the DUNE VDV detector. Deliverables include configuration-layer (FHICL) updates, integration with the physics module for neutron interactions, and ROOT data file naming adjustments to streamline downstream analysis. These changes directly support MCPARTICLE studies, background characterization, and detector response realism while improving configuration clarity and reproducibility across the DUNE simulations.”

August 2025 monthly summary for DUNE software (dunesim and dunesw). This month focused on delivering optimistic background scenarios, workflow improvements, and pipeline enhancements to accelerate background generation and production readiness. Highlights include implementing an optimistic cavern background scenario for radiological event generation in DUNE VD 1x8x14 geometry with new activity settings for cavern and foam gammas, neutrons, and cryostat gammas; fixing a parameter naming typo; removing an outdated config file and aligning parameters with the optimistic scenario. Additional emphasis was placed on workflow readability and robustness, background production pipelines, and codebase hygiene to support faster iteration and more realistic testing in production-like environments.

July 2025: Delivered cross-repo improvements in cluster analysis, production readiness, and detector configuration. In DUNE/duneana, refactored hit processing and cluster creation to support a new test mode for cluster matching, and extended data structures for cluster properties and their relationships to reconstructed objects. Also added new SolarNuAna FCL configurations and parameters to enable optimistic production runs and configurable adjacent cluster generation, expanding testing features and production readiness. In DUNE/dunereco, introduced AdjClusterRad for identifying adjacent clusters in low-energy scenarios, added configuration for the dunevd10kt detector geometry, reorganized PerPlaneCluster FCL assets to support the new detector configuration, and implemented time-aware, optimized cluster matching with primary cluster tracking. In DUNE/dunesw, fixed VD Solar Producer FCL header inclusion to ensure correct producer configuration. Overall, these changes improve validation tooling, production reliability, and data quality, enabling faster iteration and confidence in simulation outputs.

June 2025 performance snapshot for the DUNE software stack. Delivered targeted improvements across dunesw, duneana, duneopdet, and dunesim with a focus on reconstruction fidelity, background/simulation capabilities, and maintainability. Highlights include feature delivery, bug fixes, and refactors that boost scientific output, simulation realism, and developer productivity.

May 2025 performance summary for DUNE software across duneana, dunereco, dunecore, and duneopdet. Highlights include delivering advanced output capabilities, robust distance computations via geometry service, and extensive cleanup to improve maintainability. Key developments across repos delivered business value through richer data products, faster processing, and stronger code quality.

April 2025: Implemented Signal Particle Adjacent Cluster Tracking and Reporting to enrich signal-cluster analytics in DUNE/duneana. Introduced MSignalAdjClNum to count adjacent clusters originating from the signal particle and updated cluster printing to include this count, enabling richer reporting on signal-cluster relationships. This work enhances data interpretability for physics analyses and supports downstream analytics and debugging by making signal-cluster associations more transparent.

March 2025 monthly summary focusing on feature delivery, fixes, and technical leadership across DUNE repos. Key achievements emphasize foundational utilities, data processing enhancements, configuration/CI improvements, and robust per-plane analysis workflows that drive measurement reliability and operational efficiency.

February 2025 monthly summary for DUNE/dunereco: Delivered substantial feature new clustering capabilities for Low energy and SolarCluster, improved build hygiene and reliability, and fixed critical configuration issues. The work strengthens data products for physics analyses, enhances maintainability, and accelerates future integration of clustering modules.

January 2025 monthly summary for DUNE/dunesw: Focused on SOLAR G4 simulation configuration enhancements to improve accuracy and maintainability. Delivered a unified 4 MeV energy threshold across all particle types and reorganized FCL files with new subdirectories and refined generation parameters, enabling more reliable simulations and a solid foundation for future physics scenarios.

December 2024: Delivered cross-repo enhancements across DUNE/duneana, DUNE/duneopdet, and DUNE/dunesw that boost configurability, data products, and workflow efficiency. Implemented flexible Flash Configuration and FCL handling, expanded Data Output & Analysis infrastructure, and introduced Output size control and signal filtering to reduce data volumes while preserving signals. Duneopdet and Dunesw enhancements extended solar analysis capabilities and improved background realism. Also addressed key stability bugs (typo and NHIT defaults) to improve correctness and user experience. Business value: more accurate detector modeling, reproducible analyses, and streamlined data pipelines across the experiment.

Month: 2024-11 – Performance-focused monthly summary across the DUNE software stack. Key features delivered: - Low Energy TPC utilities library LowEUtils refactor: centralizes auxiliary functions by moving them from DUNEOPDET to a new dedicated LowEUtils library; improves modularity and maintainability. Includes adjacent hit calculation, cluster variable filling, and cluster matching functionality. Commit: a2fdc869a1968a03925a6fcc20534229382a3da3. - DUNE/duneana: Internal codebase refactor and build system updates for LowEAna and SolarNuAna modules; utilities reorganized into separate header files and CMakeLists updated to include new libraries/dependencies. Commit: 4cbbf648e03618b42775d8accfdc2e393dc1d466. - SolarNuAna enhancements: refined configuration and elliptical vertex-flash matching; expanded analysis scenarios (cavern neutrons, flash generation) to improve event selection. Commits: 60141beb946ec1bf73f9c2b8f52b24ce04b74dce; 9f02ba9ac2e4de453c815bceadc04ef034980af7. - DUNEOPDET and AdjHitsUtils integration: AdjHitsUtils implemented for hit clustering, wired into the build, and migration toward LowEUtils; added OpFlashes structure and SolarAuxUtils enhancements; and refactorings for HD/VD compatibility. Commits: d9227b486f853b1a7258895ea65bb77877e4d7be; f4062b1c5f33ef55f5239e23241d20b4086b7fbe; a9a1f0679694cb5be7661b37757043acca591b24; abb59ac837a9271c29f73b77a9fe804f0751dd9d; 432c5abb7a45cbb407904541124bccda0e97a093; 3e87f34713641cb581c1a991e73dea7f5bb15866. - DUNE configuration and build system cleanup: removed legacy FCLs, obsolete build configurations, and streamlined production settings; improved maintainability and reduced configuration drift. Commits: 6082ebccf12f98e29bbd5f8582563290d7feec6f; b452e39df58bee3584824f658450e4c7a4e889; 5a0bdd7f84908c23970709fadc949b615975327a; 3c1737c37b8762f74a71b84750556039374811c1. - Simulation enhancements: DUNE simulations expanded with 10kt particle filters, low-energy particle gun productions, and single particle plus full background generation FHICLs to enable refined event selection and background modeling. Commits: c0b1f72c979533d89c2baad7f5e70b84b4a160ac; a85174341be458742a3ca6c1e81fe0b30160eb50; 2728741e7883ba6c288384155318a01619fa769c; f88a119562cb5759a25a0737734113d19a0404d5. - DUNE/SIM: Granular particle filter configurations for gamma and electron in dunesim were introduced for targeted analyses. Commit: a8397596071e699fa761fc319bdf3ede12fa0875. Major bugs fixed: - Fixed output file name typo in the solar_es FCL configuration to ensure proper data file naming and downstream workflow reliability. Commit: 8e80add4f51ab6b2afba5d7622497cd6069e2983. Overall impact and accomplishments: - Increased maintainability and cross-repo consistency by migrating utilities into centralized libraries and updating build systems to reflect modern dependencies. - Enabled more precise and scalable physics analyses through refined configuration, improved event selection (elliptical vertex matching), and expanded scenario coverage. - Reduced risk and maintenance cost via removal of legacy configurations and modernization of data generation and simulation workflows. Technologies/skills demonstrated: - CMake/build system modernization, header/file decomposition, and cross-repo utility integration. - FCL configuration management and production-type isolation for HD/VD detectors. - Advanced event selection logic (elliptical cuts) and particle-level filtering for Geant4-based simulations. - Data-generation workflows for low-energy particles and background events to enable richer physics studies.