Scintillation and phosphorescence of PbWO4 crystals

Masaaki Kobayashi, Mitsuru Ishii, Kenji Harada, Yoshiyuki Usuki, Hideki Okuno, Hajime Shimizu, Tatsuya Yazawa

Research output: Contribution to journalArticle

87 Citations (Scopus)

Abstract

There are two types of crystals with respect to luminescence. In dc measurement, type A gives a primary emission at 410-430 nm (blue) with a second one at around 500 nm. Type B gives only dominant emission at 480-500 nm (green). This apparent difference can be interpreted as follows; the characteristic scintillation of PbWO4 is dominantly blue and subdominantly green. Intense phosphorescence with a decay constant of about 15 ms exists only in Type B at about 500 nm with one to two orders of magnitude larger intensity than scintillation, hiding the blue scintillation in its tail. The cause of the phosphorescence may be Mo.

Original languageEnglish
Pages (from-to)333-346
Number of pages14
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume373
Issue number3
DOIs
Publication statusPublished - 1996 May 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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