Answer
The Particle Accelerator, developed by Owen Chamberlain and his team, played a crucial role in their antiproton experiment. This revolutionary device enabled the acceleration of protons to incredibly high energies, allowing them to collide with a target and produce antiprotons. By harnessing the power of the Particle Accelerator, Chamberlain and his collaborators made a groundbreaking discovery, confirming the existence of antiprotons and expanding our understanding of subatomic particles.