RECOIL SCINTILLATION SPECTROMETER WITH TWO CRYSTALS (in Rumanian)
Journal Article
·
· Acad. rep. populare Romine, Inst. fiz., atomica si Inst. fiz., Studii cercetari fiz.
OSTI ID:4810520
In order to study the neutron spectrum given by nuclear interactions, a two-crystal spectrometer was constructed using the neutron recoil in the analyzer crystal in coincidence with the same neutrons scattered elastically and converging on the detector crystal. The FEU-29 photomultiplier was used as analyzer detector and FEU-33 as neutron detector. The crystals were stilbene crystals (30 x 10 mm). The time resolution of the fast coincidence of the apparatus is controllable between 20 and 40 nsec, with an efficiency almost constant at l00%. The spectrometer was tested with a Po- alpha -Be source and the operation is shown schematically. The efficiency of the apparatus, calculated for the energy E/sub o/ = 4 Mev, is 0.8 x 10/sup -4/ and its energy resolution is 10%. (tr-auth)
- Research Organization:
- Inst. of Atomic Physics, Bucharest
- NSA Number:
- NSA-16-010204
- OSTI ID:
- 4810520
- Journal Information:
- Acad. rep. populare Romine, Inst. fiz., atomica si Inst. fiz., Studii cercetari fiz., Journal Name: Acad. rep. populare Romine, Inst. fiz., atomica si Inst. fiz., Studii cercetari fiz. Vol. Vol: 12
- Country of Publication:
- Country unknown/Code not available
- Language:
- Rumanian
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