Title :
Properties of the high-density scintillator cerium fluoride
Author_Institution :
Fermi Nat. Accelerator Lab., Batavia, IL, USA
fDate :
2/1/1989 12:00:00 AM
Abstract :
A new radiation-hard scintillator, CeF3, has been found. It has a density of 6.16 g/cm3 and a radiation length of 1.7 cm. Two scintillation decay constants have been detected with time constants of ~2 ns and 31 ns, peaking at 310 nm and 340 nm, respectively. The amount of scintillation light from the present samples is about 50% that of BGO (bismuth germanate). It is concluded that CeF 3 fills a niche in PET (position emission tomography) in that it has the potential of providing a less expensive high-rate camera. It has a better stopping power for 511-keV photons with BaF2, while its scintillation is detectable with a glass photomultiplier
Keywords :
cerium compounds; scintillation counters; CeF3; high-density scintillator; position emission tomography; radiation-hard; Cameras; Cerium; Crystals; Electromagnetic wave absorption; Light sources; Optical refraction; Physics; Positron emission tomography; Radiation detectors; Timing;
Journal_Title :
Nuclear Science, IEEE Transactions on