Ion species discrimination method by linear energy transfer measurement in Fujifilm BAS-SR imaging plate

M. Nishiuchi, H. Sakaki, N. P. Dover, T. Miyahara, K. Shiokawa, S. Manabe, T. Miyatake, Ko Kondo, Ke Kondo, Y. Iwata, Y. Watanabe, Ki Kondo

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1 Citation (Scopus)

Abstract

We have developed a novel discrimination methodology to identify ions in multispecies beams with similar charge-to-mass ratios, but different atomic numbers. After an initial separation by charge-to-mass ratios using co-linear electric and magnetic fields, individual ions can be discriminated by considering the linear energy transfer of ions irradiating a stimulable phosphor plate (Fujifilm imaging plate) by comparison with the Monte Carlo calculation. We apply the method to energetic multispecies laser-driven ion beams and use it to identify silver ions produced by the interaction between a high contrast, high intensity laser pulse; and a sub-micrometer silver foil target. We also show that this method can be used to calibrate the imaging plate for arbitrary ion species in the range of Z ≥ 6 with dE/dx > 0.1 MeV/μm without requiring individual calibration.

Original languageEnglish
Article number093305
JournalReview of Scientific Instruments
Volume91
Issue number9
DOIs
Publication statusPublished - Sep 1 2020

All Science Journal Classification (ASJC) codes

  • Instrumentation

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