Abstract
A new scintillating-fiber-array neutron detector has been developed. The detector consists of a bee-hive-shaped lead absorber, a scintillating fiber array, a light guide, a filter and a photomultiplier tube. The experimental results show that the new detector's neuron-to-gamma sensitivity ratio is improved about six times compared to traditional plastic scintillation detectors to 2.5 MeV neutrons and 1.25 MeV gamma rays. Hence, the detector should be very useful in the measurements of pulsed neutrons from fission reactions in a neutron-gamma mixed field.
| Original language | English |
|---|---|
| Pages (from-to) | 708-715 |
| Number of pages | 8 |
| Journal | Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
| Volume | 486 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1 Jul 2002 |
| Externally published | Yes |
Keywords
- Neutron measurement
- Neutron-gamma mixed field
- Neutron-to-gamma sensitivity ratio
- Scintillating fiber
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