Measurement of activation cross sections of alpha particle induced reactions on iridium up to an energy of 50 MeV

S. Takács, F. Ditrói, Z. Szűcs, M. Aikawa, H. Haba, Y. Komori, M. Saito

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Abstract

Cross sections of alpha particle induced nuclear reactions on iridium were investigated using a 51.2-MeV alpha particle beam. The standard stacked-foil target technique and the activation method were applied. The activity of the reaction products was assessed without chemical separation using high resolution gamma-ray spectrometry. Excitation functions for production of gold, platinum and iridium isotopes (196m2Au, 196m,gAu, 195m,gAu, 194Au, 193 m,gAu, 192Au, 191m,gAu, 191Pt, 195mPt, 194gIr, 194mIr, 192gIr, 190gIr and 189Ir) were determined and compared with available earlier measured experimental data and results of theoretical calculations using TALYS code system. Cross section data were reported for the first time for the natIr(α,x)196m2Au, natIr(α,x)196m,gAu, natIr(α,x)191Pt, natIr(α,x)195mPt, natIr(α,x)194gIr, natIr(α,x)194mIr, natIr(α,x)190gIr and natIr(α,x)189Ir processes. A possible production route for 195mPt, the potentially important radionuclide in nuclear medicine, is discussed.

Original languageEnglish
Pages (from-to)133-142
Number of pages10
JournalApplied Radiation and Isotopes
Volume136
DOIs
Publication statusPublished - Jun 2018

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Keywords

  • Cross section
  • Excitation function
  • Iridium target
  • Platinum-195 m
  • α-particle irradiation

ASJC Scopus subject areas

  • Radiation

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