Development of High Resolution Resonance Ionization Mass Spectrometry for Neutron Dosimetry Technique with93Nb(n,n')93mNb Reaction

Hideki Tomita; Takaaki Takatsuka; Takahide Takamatsu; Yoshitaka Adachi; Yujin Furuta; Takuma Noto; Tetsuo Iguchi; Volker Sonnenschein; Klaus Wendt; Chikara Ito; Shigetaka Maeda

doi:10.1051/epjconf/201610605002

All issues

Volume 106 (2016)

EPJ Web of Conferences, 106 (2016) 05002

Abstract

Open Access

Issue		EPJ Web of Conferences Volume 106, 2016 ISRD 15 – International Symposium on Reactor Dosimetry


Article Number		05002
Number of page(s)		5
Section		Experimental Techniques
DOI		https://doi.org/10.1051/epjconf/201610605002
Published online		03 February 2016

EPJ Web of Conferences 106, 05002 (2016)
https://doi.org/10.1051/epjconf/201610605002

Development of High Resolution Resonance Ionization Mass Spectrometry for Neutron Dosimetry Technique with⁹³Nb(n,n')^93mNb Reaction

Hideki Tomita¹^,2^a, Takaaki Takatsuka¹, Takahide Takamatsu¹, Yoshitaka Adachi¹^,2, Yujin Furuta¹, Takuma Noto¹^,2, Tetsuo Iguchi¹, Volker Sonnenschein³, Klaus Wendt⁴, Chikara Ito⁵ and Shigetaka Maeda⁵

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: tomita@nagoya-u.jp

Published online: 3 February 2016

Abstract

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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