Measurements of Helium cross-sections for Helium-ion therapy

There is increasing interest in using helium ions for radiotherapy, complementary to protons and carbon ions. First patients have been already treated. A large number of patients were treated with 4He ions in the US heavy-ion-therapy project, and novel 4He-ion treatment programs are under preparation, for instance in Germany and Japan. Therefore, a better knowledge of 4He nuclear reaction and production cross-sections is required [1,2].

References:
[1] F. Horst, Measurement of Nuclear Reaction Cross Sections for Applications in Radiotherapy with Protons, Helium and Carbon Ions, http://geb.uni-giessen.de/geb/volltexte/2020/15052/pdf/HorstFelix_2020_02_27.pdf

[2] F. Horst et al., Measurement of 4He charge- and mass-changing cross sections on H, C, O, and Si targets in the energy range 70-220 MeV/u for radiation transport calculations in ion-beam therapy, Phys. Rev. C (2019), doi.org/10.1103/PhysRevC.99.014603


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