Abstract
The proton and deuteron induced reactions are of a great interest for the assessment of induced radioactivity of accelerator components, target and beam stoppers. In order to investigate the important nuclides, we have carried up the irradiation experiments with the variable-energy cyclotron U-120 M of the NPI CAS Řež. The production cross sections of the nuclides 179,181,182m,182,183,184m,184,186Re and 187W from reaction on natural W were investigated by deuteron beams of 20 MeV energy. A part of preliminary results of deuteron activation of natural Zr is also shown. The stacked-foil technique was utilized. The comparison of present results to data of other authors and to predictions of evaluated data libraries is discussed.
Highlights
The description of deuteron-nucleus interaction represents important tests for both the quality of reaction mechanism models and evaluation of nuclear data request especially for fusion technology
Knowledge of excitation function has an importance for medicine, namely isotope 186gRe is a ß-emitter which has been used in clinical trials and the isotope could be advantageously produced on a tungsten target by deuteron or proton irradiation
The irradiation was carried out on CANAM infrastructure [1] of NPI CAS using an external deuteron beam of the variable-energy cyclotron U-120M operating in the negative-ion mode
Summary
The description of deuteron-nucleus interaction represents important tests for both the quality of reaction mechanism models and evaluation of nuclear data request especially for fusion technology. Knowledge of excitation function has an importance for medicine, namely isotope 186gRe is a ß-emitter which has been used in clinical trials and the isotope could be advantageously produced on a tungsten target by deuteron or proton irradiation. The irradiation was carried out on CANAM infrastructure [1] of NPI CAS using an external deuteron beam of the variable-energy cyclotron U-120M operating in the negative-ion mode. Was irradiated by collimated deuteron beam of 20.1 MeV during 10.4 min with 0.329 μA mean current. The Zr foils (99.8% purity, 25 μm, Goodfellow) interleaved with Al foils (99.5%, 50 μm, Goodfellow) were irradiated during 10.35 min with 0.327 μA mean current and 20.0 MeV initial energy in the second run. The computers registering beam current and sample activities were time synchronized
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