99 lines
3.0 KiB
Markdown
99 lines
3.0 KiB
Markdown
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# Introduction
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This is analysis code package for FRIB iFDS (FRIB Decay Staion initiative) experiment e21061.
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My personal analysis logbook can be found in [Here](https://fsu-my.sharepoint.com/:p:/g/personal/rtang_fsu_edu/EdnWBI0J1g9FovvbKVvvgHoBoHy1rokedIF7f-Sr9XA6aA). The experimental setup can also be found there.
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The elog can be found in [Here](https://fsunuc.physics.fsu.edu/elog/2022_05_e21062_FRIB/)
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Other information of the experiment can be found [Here](https://fsunuc.physics.fsu.edu/wiki/index.php/FRIB_FDSi_e21062)
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# Programs
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### convertPixie.sh
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convert NSCL-evt (raw data) to pixie-evt, ripe off the NSCL header.
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### convertRoot.sh
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convert pixie-evt to root with event building and mapping.h applied.
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### mapping.h
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Thsi define the mapping
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### peachCake.C/h
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Analysis class from TSelector. It do the primary analysis and apply corrections. It has option to output a new root file (with prefix "zzz_") with tree branches:
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- eventID | eventID
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- runID | runID
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- AoQ | A/Q value of PID
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- Z | Z value of PID
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- crossTime | cross scint. T2 analog time
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- crossEnergy | croos scint. T2 analog energy
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- flag | event identification flag, +1 = has Beta, +2 = has Ions, +4 = has Beam
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- vetoFlag | veto, +1 = has Front trigger, +2 = has Rear trigger, +4 = has cross scint T2/B2
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- xIons | x-pos of Ions
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- yIons | y-pos of Ions
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- xBeta | x-pos of beta
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- yBeta | y-pos of beta
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- dyIonsTime | dinode Ions time
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- dyBetaTime | dinode Beta time
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- veto_f | front veto detector energy
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- veto_r | rear veto detector energy
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### DecayFinder.C/h
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The DecayFinder.C/h analysis the zzz_XXX files to obtain the decay curve for various isotopes.
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### PIDCutCreator.C and PIDCutChecker.C
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Create/Check the PID cut.
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### scipt.C
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root macro to run analysis flow at once.
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# Analysis Flow
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1. The NSCL-evt file to pixie-evt file (nscl2pixie)
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2. Use the EventBuilder to build event and apply the mapping.h
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3. Use peachCake.C/h to analysis and output a new root file.
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4. Use DecayFinder.C/h to obtain the decay histogram.
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# inside the Armory
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### DataBlock.h
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This defines a class **DataBlock** to store data from pixie digitizer
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### nsclEvtReader.h
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This defines a class **NSCLEvtReader** to read NSCL evt file.
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### nscl2pixie
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This is a program to convert NSCL-evt file to evt file. Basically ripe out all NSCL header.
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The bash script **converPixie.sh** use this program to batch convert NSCL-evt to evt file.
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### evtReader.h
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This defines a class **evtReader** to read pixie evt file.
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### EventBuilder
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This is a program to convert pixie-evt to root file with event building. This program will apply the mapping.h. The output tree has branches
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1. evtID | event ID, unsigned int
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2. multi | event multiplicity, int
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3. detID | detector ID defined in mapping.h, int
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4. e | energy, double
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5. e_t | timestamp, ULong64_t
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6. cfd | fine time from cfd, int
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7. qdc | 8-section of intergrated trace, int[8]
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8. multiClover | multiplicity of Clover
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9. multiBeam | multiplicity of beam-line detector
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10. runID | runID, e.g. run-0330-17 = 330*100 + 17 = 33017
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