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| MOPGW022 |
Achromatic Isochronous Mode of the ESR at GSI |
124 |
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- S.A. Litvinov, M. Steck
GSI, Darmstadt, Germany
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The isochronous optics of the ESR is a unique ion-optical setting in which the ring is operated as a Time-of-Flight Mass-Spectrometer and is used for direct mass measurements of short-lived exotic nuclei. The present isochronous optics had been performed only making a negative dispersion in the straight sections of the ESR of about -7 m. This negative dispersion makes the injection into the ESR very complicated and strict the transmission of the ions in the ring. Moreover, the non-achromatism of the ESR brings a supplementary uncorrectable first-order transverse contribution to the revolution time. In order to make the ESR achromatic, to improve injection and the isochronicity a new achromatic isochronous optics has been calculated and will be presented here in details.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2019-MOPGW022
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| About • |
paper received ※ 15 May 2019 paper accepted ※ 23 May 2019 issue date ※ 21 June 2019 |
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