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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.


IMPACT FACTOR 2018: 1.339

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.333
Source Normalized Impact per Paper (SNIP) 2018: 0.720

Online
ISSN
2193-3405
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Volume 102, Issue 6

Issues

Excitation function of (p, α) nuclear reaction on enriched 67Zn: possibility of production of 64Cu at low energy cyclotron

Ferenc Szelecsényi
  • Corresponding author
  • Cyclotron Application Department, Institute for Nuclear Research, Hungarian Academy of Sciences, Bem tér 18/c, Debrecen H-4026, Hungary
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/ Zoltán Kovács
  • Cyclotron Application Department, Institute for Nuclear Research, Hungarian Academy of Sciences, Bem tér 18/c, Debrecen H-4026, Hungary
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/ Kotaro Nagatsu
  • Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku-Chiba, 263-8555, Japan
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/ Ming-Rong Zhang
  • Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku-Chiba, 263-8555, Japan
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/ Kazutosi Suzuki
  • Molecular Imaging Center, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage-ku-Chiba, 263-8555, Japan
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Published Online: 2014-04-04 | DOI: https://doi.org/10.1515/ract-2013-2145

Abstract

The potential for production of the medically relevant 64Cu has been investigated by proton irradiation of highly enriched 67Zn targets. The excitation function of the 67Zn(p, α)64Cu a nuclear reaction was measured by the stacked-foil technique up to 30 MeV. The prediction of the TALYS code was also compared to the measured cross section results. Based on the improved database of the 67Zn(p, α)64Cu reaction, thick target yield as a function of energy was also deduced. Production possibility of 64Cu is discussed in detail, employing different energy proton beams and with regards to the 61Cu and 67Cu contamination levels as a function of the target enrichment level. By using 1 μA beam intensity, 6.3505 h irradiation time and enriched 67Zn target (64Zn ≤ 0.5%, 66Zn ≤ 9%, 67Zn ≥ 80%, 68Zn ≤ 10% and 70Zn ≤ 0.5%), the expected EOB (End Of bombardment) yields are 43.66, 88.80 and 156.14 MBq/μA at 12, 15 and 18 MeV proton energies, respectively. Application time-frames were also deduced where the total radio-copper contamination level remains below 1%.

Keywords: Medical radioisotope: 64Cu; Proton induced reaction; Excitation function; Integral yield; 61Cu; 67Cu contamination levels

About the article

Accepted: 2013-11-29

Received: 2013-06-05

Published Online: 2014-04-04

Published in Print: 2014-06-28


Citation Information: Radiochimica Acta, Volume 102, Issue 6, Pages 465–472, ISSN (Online) 2193-3405, ISSN (Print) 0033-8230, DOI: https://doi.org/10.1515/ract-2013-2145.

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