provakar1994/gmn_ana

How provakar1994/gmn_ana works

gmn_ana is a ROOT-based SBS GMn analysis framework with analysis programs for experimental and simulated data, detector studies, kinematic fits, and run-level beam/charge calibration. The broad workflow is researchers selecting run or simulation inputs, running a domain-specific analysis, and producing fitted or plotted results. The tree documents these capabilities, while sampled source confirms ROOT-oriented fitting, run/file utilities, and BCM/beam managers. Most script internals were not sampled, so links between individual analysis stages and framework components are intentionally limited.

Main entry points: scripts Experimental analyses · simulation Simulation analyses · Utilities.cpp Run and ROOT utilities · evrecon Event reconstruction

Components 23

Physics analysis

Experimental analyses scripts
Simulation analyses scripts/simulation
Event reconstruction scripts/thesis/ch4/evrecon
Yield and ratios scripts/yield_per_run.cpp
Flavor decomposition scripts/flavordecomp/flavordecomp.cpp

Detector calibration

Detector calibration scripts/thesis/ch4/detcalib/detcalib.cpp
Detector studies scripts
Momentum calibration scripts/pcalib/MakeMomentumCalibrationTree.C

Analysis framework

Run and ROOT utilities src/Utilities.cpp
Kinematic variables src/KinematicVar.cpp
Analysis cuts src/Cut.cpp
Histogram fitting src/Fit.cpp
Plot utilities src/PlotCustomizer.cpp

Beam monitoring

BCM calibration dflay/bcmCalib.py
BCM manager dflay/include/BCMManager.h
Beam manager dflay/include/BeamManager.h

Other components

Researcher
Run inputs
Simulation inputs
EPICS data
ROOT files
Plots and results
ROOT

Connections 36

Researcher → Experimental analyses: runs analysis
Researcher → Simulation analyses: runs analysis
Researcher → Event reconstruction: runs reconstruction
Researcher → BCM calibration: runs calibration
Run inputs → Experimental analyses: supplies runs
Simulation inputs → Simulation analyses: supplies jobs
Run inputs → Run and ROOT utilities: run metadata
ROOT files → Run and ROOT utilities: file metadata
Run and ROOT utilities → Experimental analyses: loads run data
Run and ROOT utilities → Simulation analyses: loads ROOT data
Experimental analyses → Kinematic variables: uses variables
Experimental analyses → Analysis cuts: applies cuts
Experimental analyses → Histogram fitting: fits histograms
Simulation analyses → Histogram fitting: fits histograms
Event reconstruction → ROOT files: reads data
Event reconstruction → Plots and results: produces outputs
Experimental analyses → Plots and results: produces outputs
Simulation analyses → Plots and results: produces outputs
Yield and ratios → ROOT files: reads data
Yield and ratios → Plots and results: writes results
Flavor decomposition → Plots and results: writes results
Detector calibration → ROOT files: reads data
Detector studies → ROOT files: reads data
Momentum calibration → ROOT files: reads data
Detector calibration → Plots and results: produces outputs
Detector studies → Plots and results: produces outputs
Momentum calibration → Plots and results: produces tree
BCM calibration → BCM manager: invokes calibration
BCM manager → ROOT files: reads trees
Beam manager → ROOT files: reads trees
BCM manager → EPICS data: loads EPICS data
Beam manager → EPICS data: loads EPICS data
BCM calibration → Plots and results: creates outputs
Histogram fitting → ROOT: uses ROOT
Plot utilities → ROOT: uses ROOT
Experimental analyses → Plot utilities: customizes plots

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Drawn by GitDiagram on September 25, 2026 from the repository's file tree, README and source files. Read as Markdown ·