Lead Tungstate (PbWO4) is one of the most dense oxide crystal (8.3 g/cm3), it is distinguished by its short radiation length (0.9 cm), small Moliere radius (2.19 cm) and strong irradiation hardness. Its scintillation light output peaks between 450-550 nm with a fast component decay time in the range from 2-20 ns. After irradiation with gamma-ray, the degradation in the optical transmittance is not large up to 106 rad.
PRODUCT DETAILS
| PbWO4 | Unit | |
| Density | 8.28 | g/cm3 |
| Radiation Length | 0.92 | cm |
| Decay Constant | 6/30 | ns |
| Wavelength of Emission Peak | 440/530 | nm |
| Light yield(of NaI:Tl) | 0.5 | % |
| Melting Point | 1396 | K |
| Hardness | / | mohs |
| refractive Index | 2.16 | / |
| Hygroscopic | no | / |
| Cleavage | (101) | / |
Lead Tungstate (PbWO4) is one of the most dense oxide crystal (8.3 g/cm3), it is distinguished by its short radiation length (0.9 cm), small Moliere radius (2.19 cm) and strong irradiation hardness. Its scintillation light output peaks between 450-550 nm with a fast component decay time in the range from 2-20 ns. After irradiation with gamma-ray, the degradation in the optical transmittance is not large up to 106 rad.
PbWO4 crystal is considered as a promising scintillation material in calorimeters for particle identification and energy measurement in high-energy physics experiments, such as those conducted at particle colliders like the Large Hadron Collider (LHC). They are also employed in medical imaging devices, including positron emission tomography (PET) scanners, where they detect and measure gamma rays emitted by radioactive tracers.
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