Quality Control (Level 0) for Tail-Catcher Brian Wood University of Illinois Eric Téllez Universidad Nacional Autonoma De Mexico
Extrusion Run 07/08/04 Total amount extruded: 676 strips Accepted Scintillator: 218 strips Yield: 32.2% (twenty plus darkened strips)
Measured the Width and Thickness
Visual Test on Dopant Presence Ultraviolet Lamp (365 and 254 nm)
Evaluated all the permissible strips
….continued
Width:
Thickness:
Attenuation Length Measurement Setup
Attenuation Length from Random Sampling
Number:Batch:L1 (Long) [Excel]: L2 (Short) [Excel]: cm 38.0 cm cm 48.8 cm 121 (dark) cm 49.3 cm cm 51.4 cm cm 24.1 cm Ref (previous run) cm 24.1 cm
Conclusion We made measurements for 218 strips of extruded scintillator during which : We accumulated experience and we currently have a procedure for quality control level 0.