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Three-Electron Auger Process from Beam-Foil Excited Multiply Charged Ions

Abstract : Electron emission from collisions of C3+ ions (22.7 AMeV) with carbon foils (21, 49 and 90 μg/cm2) was studied by the time-of-flight method. Two prominent emission patterns can be readily identified as ‘‘binary encounter'' electrons and ‘‘cusp'' electrons. With the thinnest target only, a third structure is visible at slightly lower time-of-flight (thus slightly higher energy) than the cusp electrons. The energy of these electrons would correspond to 647+116-104 eV if they were emitted from the projectile frame of reference. A possible explanation is a rare three-electron-Auger K2L2L1 process.
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Submitted on : Thursday, July 24, 2008 - 2:26:21 PM
Last modification on : Saturday, June 25, 2022 - 9:45:42 AM


  • HAL Id : cea-00305512, version 1


Enrico de Filippo, Gaetano Lanzano, Hermann Rothard, Claude Volant. Three-Electron Auger Process from Beam-Foil Excited Multiply Charged Ions. Physical Review Letters, American Physical Society, 2008, 100, pp.233202. ⟨cea-00305512⟩



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