AIDA plastic (veto) and Si de calibration
For the calibration the Compton edge of the spectrum seen in the detectors was used.
There is a large uncertainty in that determination, since the spectra are not so clear in terms of shape.
For the spectra V1A7C13_EFIR (Si de, top) the channel position is 12900 units
For the spectra V1A7C14_EFIR (Si de, bottom) the channel position is 12950 units
For the spectra V1A7C9_EFIR (AIDA plastic) the channel position is 10425 units
These corresponds to the following calibration factors using 0.9 MeV as the Compton energy from Co source:
V1A7C13_EFIR (Si de, top): 6.976744E-5
V1A7C14_EFIR (Si de, bottom): 6.949807E-5
V1A7C9_EFIR (AIDA plastic): 8.633094E-5 |