Particle accelerator and nuclear reaction

Protons accelerated by a particle accelerator were fired at lithium nuclei, resulting in the production of alpha particles and a creating a nuclear reaction. This was the first nuclear reaction produced by humans using artificially accelerated particles.
 Cockcroft and Walton England 1932 Particle accelerator and nuclear reaction

Protons accelerated by a particle accelerator were fired at lithium nuclei, resulting in the production of alpha particles and a creating a nuclear reaction. This was the first nuclear reaction produced by humans using artificially accelerated particles.