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Abstract: The proposed cyclotron gas-stopping scheme for the efficient thermalizationof intense rare isotope beams is examined. Simulations expand on previousstudies and expose many complications of such an apparatus arising fromphysical effects not accounted for properly in previous work. The previouslyproposed cyclotron gas-stopper geometry is found to have a near nullefficiency, but extended simulations suggest that a device with a much largerpole gap could achieve a stopping efficiency approaching roughly 90% and atleast a 10 times larger acceptance. However, some of the advantages that wereincorrectly predicted in previous simulations for high intensity operation ofthis device are compromised.



Autor: M. Sternberg 1 and 2, G. Savard 1 and 2 1 Argonne National Laboratory, 2 University of Chicago

Fuente: https://arxiv.org/







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