S117 meeting, 1.8.95
ZDO
-
Detector without neighbours shouldn't show any ULI's when they are produced by
scattering from one detector to the other. But they don't disappear completely.
This might be due to remaining cosmics.
Micro strips
The mean multiplicity dependent on the lower cut energy shows a dip. It is not
clear if this dip is the separation between particles and noise, since the mean
multiplicity including the 0-multiplicity shows also this dip. There must be a
bug.
TOF
Calibrations for 100,150,1000 AMeV are available. Zbound vs Zhodo is well
correlated besides some saturations in Zhodo. Zmax vs Zbound shows lower Zmax
for peripheral reactions compared to S114.
Punchthroughs
Michael shows different methods to extract proton punchthroughs. He can't
compare to alpha pt since it is missing in the data for the GSI-hodoscope.
Telescopse
The pulser calibration is within 1% linear. The best way to calibrate the
detectors is to use the punchthrough points and the alpha source point.
Calculated DE-E spectra fit well with experimental ones. The CSI lightoutput
curves fit well with those of N.Colonna and Milkau. If one plots DE+Etot one
observes no kink in energy spectra (good calibration of detector components).
DAQ
2 numbers are importan for PAW:
NTUP/CRE ... 32000 (allocation number of words)
H/FILE LUN file 6144
both numbers will increase the IO performance of the AXP's.
August 1st, 1995 Carsten Schwarz,