• DocumentCode
    3334849
  • Title

    Gamma ray induced radiation damage in PWO and LSO/LYSO crystals

  • Author

    Mao, Rihua ; Zhang, Liyuan ; Zhu, Ren-Yuan

  • Author_Institution
    California Inst. of Technol., Pasadena, CA, USA
  • fYear
    2009
  • fDate
    Oct. 24 2009-Nov. 1 2009
  • Firstpage
    2045
  • Lastpage
    2049
  • Abstract
    This paper compares ¿-ray induced radiation damage effect in two kinds of heavy crystal scintillators: PWO and LSO/LYSO. Scintillation emission, optical transmission, light output, decay kinetics and light response uniformity were measured for PWO and LSO/LYSO crystal samples of large size before and after ¿-ray irradiations. ¿-ray induced phosphorescence was also measured, and the corresponding readout noise was determined.
  • Keywords
    gamma-ray effects; phosphorescence; solid scintillation detectors; LYSO crystal; PWO crystal; decay kinetics; gamma-ray induced phosphorescence; gamma-ray induced radiation damage effect; heavy crystal scintillators; light output; light response uniformity; optical transmission; readout noise; scintillation emission; Collimators; Crystals; Electromagnetic radiation; Electromagnetic wave absorption; Kinetic theory; Noise measurement; Optical noise; Phosphorescence; Photoluminescence; Size measurement;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Nuclear Science Symposium Conference Record (NSS/MIC), 2009 IEEE
  • Conference_Location
    Orlando, FL
  • ISSN
    1095-7863
  • Print_ISBN
    978-1-4244-3961-4
  • Electronic_ISBN
    1095-7863
  • Type

    conf

  • DOI
    10.1109/NSSMIC.2009.5402126
  • Filename
    5402126