Cold positron interactions with ultracold rubidium atoms

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Antiparticles and antimatter have progressed from theory and science fiction to become an important and exciting area of pure and applied science. This fundamental atomic physics project aims to further study how antimatter and matter interact by providing the first comprehensive experimental results for the interaction of positrons (the electron anti-particle) with trapped rubidium atoms in an innovative combination of two cutting-edge atomic physics techniques. It aims to provide measurements of many fundamental interaction quantities and for collisions between matter and antimatter. This will look to test the latest quantum theoretical approaches and further our understanding of the uses of antimatter in medical and materials science.