McMaster University
Soo-Hyun Byun Print E-mail

soo

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Phone: 905 525 9140 ext. 26329
Office: TAB-208

 

 

 

 

 

 

 

 

Research Interests

Research Interests

Accelerator neutron source and neutron spectrometry

  • Development of a pulsed neutron source
  • Monte Carlo modeling of neutron detector responses
  • Digital pulse shape analysis and unfolding algorithm
  • High resolution 3He neutron ion chamber development
Microdosimetry
  • Microdosimetric measurements for mixed radiation fields 
  • THick Gas Electron Multiplier (THGEM) detector development
  • Two-dimensional microdosimetric detector development
  • High sensitivity microdosimetric detector development
  • Digital pulse processing for microdosimetry

Digital neutron imaging

  • THGEM neutron imaging detector development
  • Energy resolved neutron imaging system development

Ultra low-level radioactivity measurement 

  • Digital coincidence gamma-ray spectrometer development

Recent Publications

Recent Publications

[38] G.M. Orchard, K. Chin, W.V. Prestwich, A.J. Waker, S.H. Byun, Development of a thick gas electron multiplier for microdosimetry, Nucl. Instr. Meth. A., in press.

[37] W. Matysiak, D.R. Chettle, W.V. Prestwich, S.H. Byun, Optimization of the proton chopper for 7Li(p,n) neutron spectrometry using a 3He ionization chamber, Nucl. Instr. Meth. A., Vol. 629, 2011, pp. 133-139.

[36] J.L. Gräfe, F.E. McNeill, S.H. Byun, D.R. Chettle, M.D. Noseworthy, The feasibility of in vivo detection of gadolinium by prompt gamma neutron activation analysis following gadolinium-based contrast-enhanced MRI, Appl. Radiat. Isot., Vol. 69, 2011, pp. 105-111.

[35] A. Hanu, S.H. Byun, W.V. Prestwich, A Monte Carlo simulation of the microdosimetric response for Thick Gas Electron Multiplier, Nucl. Instr. Meth. A., Vol. 622, 2010, pp. 270-275.

[34] J.L. Gräfe, F.E. McNeill, S.H. Byun, D.R. Chettle, M.D. Noseworthy, A benchmarked MCNP model of the in vivo detection of gadolinium by prompt gamma neutron activation analysis, Nucl. Instr. and Meth. B, Vol. 268, 2010, pp. 2451-2457.

[33] S.H. Byun, G.M. Spirou, A. Hanu, W.V. Prestwich, A.J. Waker, Simulation and first test of a microdosimetric detector based on a thick gas electron multiplier, IEEE Trans. Nucl. Sci., Vol. 56, 2009, pp. 1108-1113.

[32] W. Matysiak, K. Chin, S. McMaster, W.V. Prestwich, S.H. Byun, Enhancement of 3He ion chamber response to fast neutrons with a pulsed neutron source, IEEE Trans. Nucl. Sci., Vol. 56, 2009, pp. 266-271.

 

Group Members

Group Members

  • Current graduate students
    • Jatin Patel (MSc, 2010-present)
    • Andrei Hanu (MSc & PhD: 2008-present)
  • Former graduate students  
    • Gloria Orchard (PhD: 2006-2010, currently NSERC Postdoctoral Fellow at UOIT)                                             PhD Thesis: Development of a THick Gas Electron Multiplier detector 
    • Witold Matysiak (MSc & PhD: 2005-2010, currently Thode Postdoctoral Fellow at McMaster)                            PhD Thesis: Neutron spectroscopy of an accelerator based 7Li(p,n) neutron source 

 

Teaching

Teaching