Development of High Resolution Resonance Ionization Mass Spectrometry for Neutron Dosimetry Technique with93Nb(n,n')93mNb Reaction
1 Department of Quantum Engineering, Nagoya University, 464-8603 Nagoya, Japan
2 RIKEN Nishina Center, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
3 Department of Physics, University of Jyväskylä, SF-40351, Finland
4 Institute of Physics, Johannes Gutenberg-University Mainz, Staudingerweg 7, 55128 Mainz, Germany
5 Oarai Research and Development Center, Japan Atomic Energy Agency, 4002 Narita, Oarai, Ibaraki, 311-1393, Japan
a Corresponding author: e-mail: firstname.lastname@example.org
Published online: 3 February 2016
We have proposed an advanced technique to measure the 93mNb yield precisely by Resonance Ionization Mass Spectrometry, instead of conventional characteristic X-ray spectroscopy. 93mNb-selective resonance ionization is achievable by distinguishing the hyperfine splitting of the atomic energy levels between 93Nb and 93mNb at high resolution. In advance of 93mNb detection, we could successfully demonstrate high resolution resonant ionization spectroscopy of stable 93Nb using an all solid-state, narrow-band and tunable Ti:Sapphire laser system operated at 1 kHz repetition rate.
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