Cross sections of proton-induced reactions on 152Gd, 155Gd and 159Tb with emphasis on the production of selected Tb radionuclides

G. F. Steyn, C. Vermeulen, F. Szélecsényi, Z. Kovács, A. Hohn, N. P. Van Der Meulen, R. Schibli, T. N. Van Der Walt

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Cross sections are presented for various Dy, Tb and Gd radionuclides produced in the proton bombardment of 159Tb as well as for the reactions 152Gd(p,4n)149Tb and 155Gd(p,4n) 152Tb up to 66 MeV. The experimental excitation functions are compared with theoretical predictions by means of the geometry-dependent hybrid (GDH) model as implemented in the code ALICE/ASH, as well as with values from the TENDL-2012 library and previous literature experimental data, where available. Physical yields have been derived for the production of some of the medically important radioterbiums, namely 149Tb (radionuclide therapy), 152Tb (PET) and 155Tb (SPECT). The indirect production of high-purity 155Tb via the decay of its precursor 155Dy is reported. The possibility of a large-scale production facility based on a commercial 70 MeV cyclotron is also discussed.

Original languageEnglish
Pages (from-to)128-140
Number of pages13
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume319
DOIs
Publication statusPublished - Jan 15 2014

Fingerprint

Radioisotopes
radioactive isotopes
Protons
protons
cross sections
Cyclotrons
cyclotrons
bombardment
therapy
purity
Geometry
decay
geometry
predictions
excitation

Keywords

  • 66 MeV protons
  • Tb
  • Tb
  • Tb
  • Excitation functions
  • Integral yields

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

Cross sections of proton-induced reactions on 152Gd, 155Gd and 159Tb with emphasis on the production of selected Tb radionuclides. / Steyn, G. F.; Vermeulen, C.; Szélecsényi, F.; Kovács, Z.; Hohn, A.; Van Der Meulen, N. P.; Schibli, R.; Van Der Walt, T. N.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 319, 15.01.2014, p. 128-140.

Research output: Contribution to journalArticle

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AU - Vermeulen, C.

AU - Szélecsényi, F.

AU - Kovács, Z.

AU - Hohn, A.

AU - Van Der Meulen, N. P.

AU - Schibli, R.

AU - Van Der Walt, T. N.

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