The ILIAS project for selective isobar suppression by laser photodetachment

O Forstner,Pontus Andersson,Dag Hanstorp, Johannes Lahner,Martin Martschini,Johanna Pitters,Alfred Priller,Peter Steier,Robin Golser

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2015）

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摘要

Laser photodetachment is the process when the extra electron of a negative ion is removed by means of laser radiation. This can happen only if the photon energy is larger than the electron affinity of the ion. The process can be used in mass spectrometry to selectively suppress unwanted isobars, provided that the electron affinity of the unwanted isobar is lower than that of the isobar under investigation.

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关键词

Accelerator mass spectrometry,Isobar suppression,Laser photodetachment

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