Performance of prototype neutron detectors for Large Acceptance Multi-Purpose Spectrometer at RAON

Hyunha Shim, Jong Won Lee, Byungsik Hong, Jung Keun Ahn, Gyeonghwan Bak, Jamin Jo, Minho Kim, Young Jin Kim, Young Jun Kim, Hanseul Lee, Hyo Sang Lee, Kyong Sei Lee, Benard Mulilo, Dong Ho Moon, Min Sang Ryu

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


The performance of the prototype modules of neutron detectors for the Large Acceptance Multi-Purpose Spectrometer (LAMPS) was investigated, using cosmic muons and neutron beams at 65 and 392 MeV, provided by the Research Center for Nuclear Physics (RCNP). The timing and position resolutions were estimated using cosmic muons as 309 ps and 4.8 cm, respectively. The energy resolution depended on the incident energy of neutrons: 1.3% at 65 MeV and 3.1% at 392 MeV. The neutron-detection efficiency also showed weak energy dependence as it decreased from (9.0 ± 1.6)% at 65 MeV to (6.3 ± 1.0)% at 392 MeV.

Original languageEnglish
Pages (from-to)280-286
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 2019 May 21

Bibliographical note

Funding Information:
We would like to thank the staff members of RCNP for providing neutron beams and for their support during the experiment. This work was supported by the National Research Foundation of Korea (NRF) grants funded by the Korea government (MSIT) (Nos. 2018M7A1A1053367 , 2017M7A1A1019378 , 2013M7A1A1075765 ,and 2018R1A5A1025563 ).

Publisher Copyright:
© 2019 Elsevier B.V.


  • Neutron beam
  • RAON
  • RCNP
  • Scintillation detector

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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