Abstract
Exotic Rydberg atom formation in collisions between low-energy antiprotons and helium atoms is studied. We present state-selective (n, l) capture cross sections for antiproton-capture from 3He and 4He targets as a function of impact energy. The simulation is based on the 3-body classical trajectory Monte Carlo method. We find the resulting (n, l) distributions of captured antiprotons in good agreement with recent measurements.
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