Abstract
We measured the yield of Auger electrons emitted through Coster–Kronig transitions from Rydberg states 1s2p(3P)nl (n=7,8) and 1s22p(2P)nl (n=5,6,7) of emergent atomic ions Cq+ under irradiation of 3.5-MeV/atom C+ and C2+ ions on thin C foil targets. The Auger electron yields are suppressed for C2+ irradiation compared with C+ irradiation and the relative yield becomes larger as n increases. Thus, amount of scattered electrons having lower relative energy in the projectile rest frame becomes larger. The results obtained in this study support the influence of projectile velocity on the cluster effect of secondary electron yields.
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Schedule a callMore From: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
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