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CMS Note | |
Report number | CMS-NOTE-1997-060 |
Title | Detection of Photons Generated in PWO Scintillator Crystals |
Author(s) | Baccaro, Stefania (ENEA-INN-TEC, Roma, Italy) ; Borgia, Bruno (La Sapienza, Roma, Italy) ; Cavallari, Francesca (La Sapienza, Roma, Italy) ; Dafinei, Ioan (ENEA-INN-TEC, Roma, Italy) ; Diemoz, Marcella (La Sapienza, Roma, Italy) ; Festinesi, Armando (ENEA-INN-TEC, Roma, Italy) ; Longo, Egidio (La Sapienza, Roma, Italy) ; Montecchi, Marco (ENEA-INN-TEC, Roma, Italy) ; Organtini, Giovanni (Univ. Roma TRE, Roma, Italy) ; Piegari, A (ENEA-INN-TEC, Roma, Italy) |
Publication | 1998 |
Imprint | 4 Jul 1997 |
Number of pages | mult. |
In: | Nucl. Instrum. Methods Phys. Res., A 406 (1998) 276-286 |
DOI | 10.1016/S0168-9002(98)91987-8 |
Subject category | Detectors and Experimental Techniques |
Accelerator/Facility, Experiment | CERN LHC ; CMS |
Free keywords | ECAL |
Abstract | This work deals with the optical characterization of the surface of EG&G and Hamamatsu APD's and performance of an antireflection coating made of Y2O3 and deposited on a PWO test piece. The effectiveness of antireflection treatments of PWO and Si surfaces is evaluated in a simplified and a realistic situation by means of the ratio of "detected to emitted photons". The complex refractive index of the Dow Corning 02-3067 optical grease is also reported. |
Copyright/License | Preprint: (License: CC-BY-4.0) |