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Advanced Mass Selector for Multiple Charged Ions with Innovative Acceleration and Filtering

This paper discusses the development of a state-of-the-art mass selector designed for multiple charged ions, featuring advanced filter systems to eliminate unwanted ions. Utilizing a Triplet HV platform, the system operates at 60 kV and includes a 20 kV TRAP EBIS charge breeding mechanism for efficient ion bunching and cooling. Focusing elements facilitate precise ion selection, with a robust analyzing magnet to further filter ions. Key components include primary targets, triplet doublets, and 7-gap resonators, capable of accelerating ions from 5 keV/u to 2.2 MeV/u at ISOLDE.

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Advanced Mass Selector for Multiple Charged Ions with Innovative Acceleration and Filtering

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  1. Multiple charged ions Mass Selector filters unwanted ions Triplet HV platform Switched HV platform 60 kV 60 « 20 kV TRAP EBIS Charge breeding Bunches and cools ions 1+ ions Focusing elements Ion selecting slit From PS-Booster 1 GeV protons Analyzing magnet filters unwanted ions Primary target

  2. Triplet Doublets 7-gap resonators RFQ IH Accelerates from 5  300 keV/u Accelerates from 0.3  1.2 MeV/u Accelerates from 1.2  0.8-2.2 MeV/u Target and detectors Experimental lay-out at ISOLDE

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