On the (un)effectiveness of proton boron capture in proton therapy Annamaria Mazzone, Paolo Finocchiaro, Sergio Lo Meo and Nicola Colonna Eur. Phys. J. Plus, 134 7 (2019) 361 Published online: 26 July 2019 DOI: 10.1140/epjp/i2019-12725-8