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SPIRAL facility: beam dynamics and experimental tests with stable ions

Abstract : SPIRAL, the R.I.B. facility using the ISOL method at GANIL, includes a high energy primary beam transfer line, a target ion source system, low and medium energy secondary beam transfer lines and a K265 compact cyclotron (CIME) giving a final energy adjustable from 1.7 up to 25 MeV/u using RF harmonics 2, 3, 4 and 5. Until the administrative authorisation to produce radioactive ion beams is obtained, about 650 training hours have been allocated to reach the required beam quality with stable ions. Three directions have been carried out during these last three years in order to produce different ion beams and cover entirely the working diagram, simulate the tune shift of CIME and its injection beam line from a stable to a radioactive beam using magnetic ΔB/B or frequency ΔF/F correction with two close stable ions, improve more deeply injection and extraction settings of CIME. This paper presents significant experimental results and encountered disagreements on beam 6D matching with the SPIRAL facility just before its official start-up.
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Contributor : Michel Lion <>
Submitted on : Monday, July 15, 2002 - 1:42:01 PM
Last modification on : Thursday, February 1, 2018 - 1:34:27 AM

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F. Varenne, P. Bertrand, D. Bibet, B. Bru, F. Chautard, et al.. SPIRAL facility: beam dynamics and experimental tests with stable ions. 16th International Conference on Cyclotrons and their Applications, May 2001, East Lansing, United States. pp.74-78, ⟨10.1063/1.1435201⟩. ⟨in2p3-00011790⟩



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