Investigation of the 66Zn(p,2pn)64Cu and 68Zn(p,x)64Cu nuclear processes up to 100 MeV: Production of 64Cu

F. Szelecsényi, G. F. Steyn, Z. Kovács, C. Vermeulen, N. P. Van Der Meulen, S. G. Dolley, T. N. Van Der Walt, K. Suzuki, K. Mukai

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Abstract

Cross-sections of the 66Zn(p,2pn)64Cu and 68Zn(p,x)64Cu nuclear processes were measured on highly enriched zinc targets using the stacked-foil activation technique up to 100 MeV. The new cross-sections were compared to literature data. The optimum energy range for production of 64Cu was found to be 70 → 35 MeV on 66Zn and 37 → 20 MeV on 68Zn. The thick-target yields were determined as 777 MBq/μAh (21.0 mCi/μAh) and 185 MBq/μAh (5.0 mCi/μAh), respectively. The yields of the longer-lived contaminant copper radioisotopes (i.e. 61Cu when using 66Zn as target material and both 61Cu and 67Cu in the case of 68Zn target material) were also calculated. The results obtained from the present study indicate that both reactions are suited for the production of 64Cu at a medium energy cyclotron. The optimum energy ranges are also complementary therefore the potential to utilize tandem targetry exists.

Original languageEnglish
Pages (from-to)625-637
Number of pages13
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume240
Issue number3
DOIs
Publication statusPublished - Nov 1 2005

Keywords

  • Cu production
  • Enriched Zn
  • Protons
  • Zn(p,2pn)Cu
  • Zn(p,x)Cu reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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