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Gamma-ray production in the 170Er(p,n)170Tm nuclear reaction

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Mihailescu A., Cata-Danil G.

Open Physics

2010

vol. 8

issue 4

596-603

For the first time discrete gamma-rays following the nuclear reaction 170Er(p,n)170Tm with enriched target were measured with a high resolution GeHP spectrometer. Protons delivered by the Bucharest FN Tandem Van de Graaff accelerator bombarded a thin self-supporting film of enriched erbium. Measured γ-ray energies (Eγ), their relative intensities (Iγ) and corresponding excitation functions for the beam energy range 2.0–3.6 MeV are reported in the present work. The measured excitation functions were fairly well reproduced by compound nucleus calculations based on the Hauser-Feshbach formalism.

SOBP forming for carbon therapy

61%

Babkin V., Cata-Danil G., Golovatyuk V., Molokanov A., Paraipan M., Timoshenko G.

Open Physics

2010

vol. 8

issue 4

683-688

A ridge carbon beam filter for Spreading Out the Bragg Peak (SOBP) up to 20 mm in the targeted area has been designed and experimentally tested. The instrument was constructed of Plexiglas with a density of 1.165 g/cm3 and has a “teeth” structure with a period of 2.5 mm. The design is based on a simple analytical model and detailed GEANT4 Monte Carlo simulations. In-beam test measurements were performed with a 500-MeV/u 12C beam at the Nuclotron facility of the Joint Institute for Nuclear Research (JINR) in Dubna. The filter can be used as a static device positioned in front of patients undergoing carbon therapy.

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2 Open Physics

2 2010

2 Cata-Danil G.

1 Babkin V.

1 Golovatyuk V.

1 Mihailescu A.

1 Molokanov A.

1 Paraipan M.

1 Timoshenko G.

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Gamma-ray production in the 170Er(p,n)170Tm nuclear reaction

SOBP forming for carbon therapy