OPTIMIZATION OF A LEAD-TUNGSTATE CRUSTAL PHOTODETECTOR SYSTEM FOR HIGH-ENERGY PHYSICS

Authors
DROBYSHEV GY FYODOROV AA KORZHIK MV MISEVICH OV KATCHANOV VA PEIGNEUX JP
Citation
Gy. Drobyshev et al., OPTIMIZATION OF A LEAD-TUNGSTATE CRUSTAL PHOTODETECTOR SYSTEM FOR HIGH-ENERGY PHYSICS, IEEE transactions on nuclear science, 42(4), 1995, pp. 341-344
Citations number
7
Categorie Soggetti
Nuclear Sciences & Tecnology","Engineering, Eletrical & Electronic
Journal title
IEEE transactions on nuclear science → ACNP
ISSN journal
00189499
Volume
42
Issue
4
Year of publication
1995
Part
1
Pages
341 - 344
Database
ISI
SICI code
0018-9499(1995)42:4<341:OOALCP>2.0.ZU;2-1
Abstract
The characteristics of a crystal/photodetector system with long size l ead-tungstate scintillator PbWO4 (PWO) were studied. The influence of different measurement conditions on the light yield and light yield ho mogeneity was investigated for electromagnetic calorimeter modules wit h projective geometry. We have tested different kinds of reflective ma terials for crystal covering such as MYLAR(mirror reflection) and MILL IPORE, TEFLON, TYVEK (diffuse reflection), using different shapes of c rystals (as a parallelepiped, as a truncated pyramid, as double trunca ted pyramid), using light guides and/or reflecting covering at the bot tom of crystal. In our investigation we have used a photomultiplier tu be.