Comments (1)
In old WCSim collection efficiency wasn't accounted for - effectively set to 100%.
When adding new B&L PMTs, Hamamatsu gave data both of overall relative efficiencies ( = QE x CE x HE) and values for specific QE, HE and CEs for the new (and old) PMTs.
B&L PMTs were added with all appropriate properties, but for old 20" PMTs CE had effectively been absorbed into 'tuning'.
To leave 20" results unchanged, but still give the correct relative response of B&L vs 20", B&L QEs had to be artificially increased.
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However.
- ANNIE is not using either SK's old 20" PMTs, nor their B&L PMTs.
- As long as all new ANNIE PMT definitions have appropriate relative QE, CE and HEs, we don't need any fudge factors in there.
- We just need to make sure that the SK 20" CE, absorbed somewhere into 'tuning', gets removed or universally accounted for.
Open question: where is this tuning?
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Related Issues (20)
- New MRD configuration HOT 1
- MRD efficiency studies
- Add new inner structure HOT 4
- Replicate PMT dark box testing to confirm PMT simulation
- Make scripts to simplify grid submission
- Create Neut simulation of ANNIE
- Add support for Neut input files
- Perform validation of before and after 'ANNIE tuning'?
- Add fourth PMT to top cap HOT 1
- Add cosmic rays to events
- Add minbias triggers to WCSim?
- Do neutron capture study to determine NDigits threshold
- Make calibration simulations for tuning
- Make combined source runs
- Clean up confusing DigitsCollection name HOT 1
- Add support for triggering on multiple elements
- Check overlapping triggers handling
- Add support for multiple PMT, digitizer etc types into WCSimRootOptions class
- Add additional aluminium support brackets to MRD HOT 2
- implement pairwise squeeze of PMTs in top cap
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