Nuclear Fragmentation Reactions from Research to Applications

Bragg discovery in 1904
�W.H. Bragg, R. Kleeman, On the ionization curves of radium,
Philosophical Magazine, S.6, 8 (1904) 726.
� W.H. Bragg, R. Kleeman, On the alpha particles of radium, and
their loss of range in passing through various atoms and molecules.
Philosophical Magazine, S.6, 10 (1905) 318.
Sir William Henry Bragg
(1862 – 1942)
1915 Nobel Prize in Physics
Experiments with 7.7 MeV α-particles in H, Al, Cu, Ag, Sn, Pt, Au and compounds
Maximum energy deposition at the end of particle’s range in the medium!
This remarkable property can be used to destroy deeply-sitting tumours.