Journal of the Korean Physical Society

, Volume 73, Issue 3, pp 271–277 | Cite as

A Design and its Validation of a Proton Recoil Telescope with a Silicon Detector for Measurements of Fast Neutrons

  • Cheolmin Ham
  • Vivek Raghunath Chavan
  • Sang-In Bak
  • Chungbo Shim
  • Dalho Moon
  • Yangkyu Kim
  • Kyung Yuk Chae
  • Tae-Sun Park
  • Seung-Woo HongEmail author
  • Hanwool Joo
  • Hyeonseo Park


A silicon detector combined with a thin polyethylene converter and a collimator is designed as a simple proton recoil telescope (PRT) detector for detecting 2.45 MeV neutrons from a D-D neutron generator. Monte Carlo simulations are performed for a quantitative optimization of the geometrical parameters of the detector that determine the statistics and the spectrum of recoil protons. On the basis of the optimized geometry, a 15 μm polyethylene converter and a 2.5 mm thick stainless steel collimator are chosen for the design of a PRT. A test experiment is done by using 2.45 MeV neutrons from a D-D generator at the Korea Research Institute of Standards and Science. Energy calibration of the silicon detector is done by using proton beams from the MC-50 cyclotron at the Korea Institute of Radiological & Medical Sciences. A peak corresponding to 2.45 MeV neutrons is observed. Neutron detection efficiency of our PRT detector for 2.45 MeV neutrons is found to be about 3 × 10 −6.


Neutron detector Proton recoil telescope Monte Carlo simulation PHITS Silicon detector D-D generator 


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Copyright information

© The Korean Physical Society 2018

Authors and Affiliations

  • Cheolmin Ham
    • 1
  • Vivek Raghunath Chavan
    • 2
  • Sang-In Bak
    • 2
  • Chungbo Shim
    • 2
  • Dalho Moon
    • 2
  • Yangkyu Kim
    • 2
  • Kyung Yuk Chae
    • 2
  • Tae-Sun Park
    • 2
  • Seung-Woo Hong
    • 2
    Email author
  • Hanwool Joo
    • 3
  • Hyeonseo Park
    • 4
  1. 1.Department of Energy ScienceSungkyunkwan UniversitySuwonKorea
  2. 2.Department of PhysicsSungkyunkwan UniversitySuwonKorea
  3. 3.Department of Physics and AstronomySeoul National UniversitySeoulKorea
  4. 4.Korea Research Institute of Standards and ScienceDaejeonKorea

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