WEM1CIO04
NSCL, East Lansing, Michigan, USA
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WEM1CIO04 |
Transverse Collimation with the Superconducting ECR Ion Source SuSI at the Coupled Cyclotron Facility | |
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| The Coupled Cyclotron Facility (CCF) at Michigan State University has replaced the old 6.4 GHz Superconducting ECR ion source SCECR with SuSI, a fully Superconducting ECR ion source operating at 18 GHz. The installation of SUSI was completed in September 2009 and since that time the ion source has been routinely used for CCF operation. Prior to the ion source installation to the cyclotron, the initial period of commissioning of SuSI had shown very solid performances for medium charge state ion beams. For example more than 300 eμA of Xe20+ and 400 eμA of Kr13+ have been obtained. However large increase in extracted ion beam current from the ECR ion source will not necessary translate into higher primary beam power on the production target. To optimize the brightness of the beam injected into the K500, a beam collimation scheme has been developed that limit the beam transverse emittance and includes several apertures and solenoids to implement successive cuts to the beam phase space distribution. In this contribution, an overview of the ion source SuSI will be presented. Experimental results from the collimation channel will also be presented and will be compared to simulations. | ||
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Slides WEM1CIO04 [4.486 MB] | |