Title
Radiation damage evaluation on LYSO and LuYAP materials through Dpa calculation assisted by Monte Carlo method Radiation damage evaluation on LYSO and LuYAP materials through Dpa calculation assisted by Monte Carlo method
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
conferenceObject
Publication
Subject
Physics
Engineering sciences. Technology
Computer. Automation
Source (journal)
2011 IEEE Nuclear science symposium and medical imaging conference(NSS/MIC)
Source (book)
IEEE Nuclear Science Symposium/Medical Imaging Conference (NSS/MIC)/18th, International Workshop on Room-Temperature Semiconductor X-Ray and, Gamma-Ray Detectors, OCT 23-29, 2011, Valencia, SPAIN
Volume/pages
(2011) , p. 1609-1611
ISSN
1082-3654
ISBN
978-1-4673-0120-6
ISI
000304755601169
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
The aim of the present work is to study the radiation damage induced in LYSO and LuYAP crystals by the gamma radiation and the secondary electrons/positrons generated. The displacements per atom (dpa) distributions inside each material were calculated following the Monte Carlo assisted Classical Method (MCCM) introduced by the authors. As gamma sources were used Sc-44, Na-22 and V-48. Also the energy of gammas from the annihilation processes (511 keV) was included in the study. This procedure allowed studying the in-depth dpa distributions inside each crystal for all four sources. It was also possible to obtain the separate contribution from each atom to the total dpa. The LYSO crystals were found to receive more damage, mainly provoked by the displacements of silicon and oxygen atoms.
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