A Compact Permanent Magnet Cyclotron for Accelerator Mass Spectrometry
نویسنده
چکیده
We describe the development of a Cyclotron Mass Spectrometer (CMS) for the detection of trace amounts of rare isotopes. A compact low energy cyclotron optimized for high mass resolution has been designed and fabricated. The CMS has high sensitivity and is designed to measure 14C at abundances of 10-12. A novel feature of the CMS is the use of permanent magnets to energize the 30 cm diameter iron poles of the cyclotron. Axial injection is used, employing a spiral inflector. Preliminary measurements of the magnetic field show that it has a uniformity on the order of 7 parts in 104 over most of the acceleration region.
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