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Optimization of Mass Resolution Parameters Combined with Ion Cooler Performance

Marco Cavenago, Carlo Baltador, Luca Bellan, Michele Comunian, Enrico Fagotti, Alessio Galatà, Giancarlo Maero, Mario Maggiore, Andrea Pisent, Massimiliano Romé, Carlo Roncolato, Massimo Rossignoli (+10 others)
2022

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High mass resolution spectrometers (HRMS) for separation of exotic ion species in nuclear physics experiment request a low emittance and small energy spread (with D E the peak-to-peak value, and sE the rms value) of the input beam, so that ion cooler devices, as a Radio Frequency Quadrupole Coolers (RFQC), are typically envisioned. The SPES (Selective Production of Exotic Species) project at LNL requests M/(D M) about 20000, rms normalized emittance in the order of 2 nm, and for 160 keV ions,
more » ... read sE about 1 eV. Typical limits of RFQC[*] and HRMS[**] performances are discussed, and relevant formulas are implemented in easy reference tools. The necessary collisional data are reviewed, in particular for Cs+ against He gas, whose pressure ranges from 2 to 9 Pa; status of Milan test bench is briefly updated. Practical consideration on gas pumping, voltage stability and magnet design are also included.
doi:10.18429/jacow-ipac2022-thpotk003 fatcat:tzyee4wmfvfxpnrelzvpzk3rtu
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Marco Cavenago, Carlo Baltador, Luca Bellan, Michele Comunian, Enrico Fagotti, Alessio Galatà, Giancarlo Maero, Mario Maggiore, Andrea Pisent, Massimiliano Romé, Carlo Roncolato, Massimo Rossignoli, Alberto Ruzzon, Vincenzo Variale, Zimmermann, Frank (Ed.), Tanaka, Hitoshi (Ed.), Sudmuang, Porntip (Ed.), Klysubun, Prapong (Ed.), Sunwong, Prapaiwan (Ed.), Chanwattana, Thakonwat (Ed.), Petit-Jean-Genaz, Christine (Ed.), Schaa, Volker R.W. (Ed.). "Optimization of Mass Resolution Parameters Combined with Ion Cooler Performance." (2022) Thailand