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Performance of a real-size prototype neutron detector for the LAMPS at RAON

Authors
Lee, KisooLee, Kyong SeiHong, ByungsikKim, BumgonKim, Shin HyungPark, Jae BeomYoo, Jae HeeKim, Young JinShin, Taeksu
Issue Date
9월-2014
Publisher
KOREAN PHYSICAL SOC
Keywords
Neutron detector; Nuclear symmetry energy; Heavy-ion collision; LAMPS; RAON
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.65, no.5, pp.610 - 615
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF THE KOREAN PHYSICAL SOCIETY
Volume
65
Number
5
Start Page
610
End Page
615
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97447
DOI
10.3938/jkps.65.610
ISSN
0374-4884
Abstract
A neutron detector array is one of the essential detector components for measuring the nuclear symmetry energy in the large-acceptance multipurpose spectrometer (LAMPS) to be built at the new radioactive ion-beam facility, RAON, in Korea. We have designed and built a real-size prototype neutron detector for the LAMPS and investigated its performance with radiation sources. The intrinsic time resolution of the prototype modules estimated by using Co-60 is about 1 ns. The neutrons and the gammas from Cf-252 are clearly separated in the time spectra. The kinetic energy spectrum of the fission neutrons from Cf-252 has been reconstructed and compared to the empirical Watt function. The result demonstrates that the current prototypes can detect neutrons with kinetic energies larger than about 6 MeV.
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