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详细内容
EJ-276 pulse-shape discriminating (PSD) plastic scintillator enables the separation of gamma ａnd fast neutron signals on the basis of their timing characteristics. This scintillator replaces all versions of EJ-299-33 ａnd EJ-299-34 PSD scintillators ａnd embodies the following improvements。
· Excellent physical hardness, equal to or superior to that of standard plastic scintillators
· Long-term stability of scintillation ａnd optical characteristics
· Basic PSD properties increased to being comparable to the best liquid scintillators
EJ-276G with green fluorescence is also available for use with solid-state sensors.
| PROPERTIES | EJ-276 | EJ-276G | |
| Light Output (% Anthracene) | 56 | 52 | |
| Scintillation Efficiency (photons/1 MeV e-) | 8,600 | 8,000 | |
| Wavelength of Maximum Emission (nm) | 425 | 490 | |
| No. of H Atoms per cm3 (x1022) | 4.546 | 4.546 | |
| No. of C Atoms per cm3 (x1022) | 4.906 | 4.906 | |
| No. of Electrons per cm3 (x1023) | 3.533 | 3.533 | |
| Density (g/cm3) | 1.096 | 1.096 | |
| Approx. Mean Decay Times of First 3 Components (ns) | Gamma Excitation | 13, 35, 270 | — |
| Neutron Excitation | 13, 59, 460 | — | |
