In principle, a scintillation imager made by a crystal array and a position-sensitive photomultiplier shows spatial non linearities at borders due to the undersampling of scintillation light distributions. To improve the response of such detectors a method has been carried out based on the comparison between experimental and simulated images. A computer simulation code has been developed and used to foresee the imager response. The code computes the tapered charge-weighting factors giving the optimized event centroiding in terms of crystal-pixel identification. The comparison between measured centroids and crystal axes produces the effective correction table for image linearization. Experimental results concerning a 8x8 crystal array coupled to a position sensitive photomultiplier tube (1 inch square) are presented and discussed.
|Publication status||Published - 2006|
|Event||International Conference on Advanced Technology and Particle Physics, ICATPP 2005 - , Italy|
Duration: 1 Jan 2006 → …
|Conference||International Conference on Advanced Technology and Particle Physics, ICATPP 2005|
|Period||1/1/06 → …|
All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Nuclear and High Energy Physics
Montani, L., Iurlaro, G., Santagata, A., Burgio, N., & Scafe, R. (2006). Spatial linearity improvement for discrete scintillation imagers. Paper presented at International Conference on Advanced Technology and Particle Physics, ICATPP 2005, Italy.