Temperature Effects on Non-destructive Assay using Integral Resonance Transmission

Christopher T. Angell; Takehito Hayakawa; Toshiyuki Shizuma; Ryoichi Hajima

doi:10.11561/aesj.2013s.0.58.0

2013 Annual Meeting

Session ID : I12

DOI https://doi.org/10.11561/aesj.2013s.0.58.0

Conference information

Host: Atomic Energy Society of Japan

Temperature Effects on Non-destructive Assay using Integral Resonance Transmission

*Christopher T. Angell, Takehito Hayakawa, Toshiyuki Shizuma, Ryoichi Hajima

Author information

Keywords: Safeguards, Non-Destructive Assay, Nuclear Resonance Fluorescence

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Abstract

Non-destructive assay (NDA) of ²³⁹Pu in spent nuclear fuel is possible using the integral resonance transmission (IRT) method. IRT measures the integral nuclear resonance fluorescence scattering on a mono-isotopic witness target following resonance absorption in nuclear fuel. Lowering the temperature of the witness target could substantially improve measurement sensitivity by narrowing the resonance width due to Doppler broadening. Calculations studying this effect will be presented.

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