Cross sections of proton-induced reactions on natGd with special emphasis on the production possibilities of 152Tb and 155Tb

C. Vermeulen, G. F. Steyn, F. Szelecsényi, Z. Kovács, K. Suzuki, K. Nagatsu, T. Fukumura, A. Hohn, T. N. Van Der Walt

Research output: Contribution to journalArticle

16 Citations (Scopus)


Cross sections and physical yields are presented for various Tb radionuclides formed in the bombardment of natGd with protons, from their respective thresholds up to 66 MeV. New measurements 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 previous literature experimental data, where available. Based on the agreement between the experimental results and the theoretical predictions, integral thick-target yields are also derived for the 152Gd(p,n) 152Tb, 155Gd(p,n) 155Tb and 155Gd(p,4n) 152Tb reactions forming the medically important 152gTb (SPECT) and 155Tb (PET) radionuclides.

Original languageEnglish
Pages (from-to)24-32
Number of pages9
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Publication statusPublished - Mar 15 2012


  • Cross sections
  • Excitation functions
  • Gd
  • Proton-induced reactions
  • Radioterbiums

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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