CHARACTERISTICS OF PHOSPHOR USED FOR BEAM MONITORING - INTENSITY GROWTH OF SCINTILLATION AND LONG-LIVED RESIDUAL EMISSION OBSERVED ON STEADY-STATE GAMMA-RADIOLYSIS

Authors
USHIDA K SHIBATA H TAGAWA S YOSHIDA Y KIMURA K KIRA A
Citation
K. Ushida et al., CHARACTERISTICS OF PHOSPHOR USED FOR BEAM MONITORING - INTENSITY GROWTH OF SCINTILLATION AND LONG-LIVED RESIDUAL EMISSION OBSERVED ON STEADY-STATE GAMMA-RADIOLYSIS, Applied radiation and isotopes, 49(1-2), 1998, pp. 55-58
Citations number
7
Categorie Soggetti
Nuclear Sciences & Tecnology","Radiology,Nuclear Medicine & Medical Imaging","Chemistry Inorganic & Nuclear
Journal title
Applied radiation and isotopes
ISSN journal
09698043 → ACNP
Volume
49
Issue
1-2
Year of publication
1998
Pages
55 - 58
Database
ISI
SICI code
0969-8043(1998)49:1-2<55:COPUFB>2.0.ZU;2-N
Abstract
The visible scintillation around 690 nm from Desmarquest AF995R, which is used for real-time beam monitoring, was investigated on steady sta te gamma-radiolysis at room and low temperatures. The temperature depe ndence of the scintillation intensity indicates the existence of more than two processes with different activation energies. The newly found growth of the scintillation which continues for over several hours on continuous irradiation shows saturating behavior. Weak residual emiss ions remaining For over a day after stopping the irradiation were also observed. (C) 1997 Elsevier Science Ltd. All rights reserved.