Offline commissioning of the multi-reflection time-of-flight mass separator at JYFLTRAP
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2019Copyright
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Tässä työssä esitellään Jyväskylän yliopiston kiihdytinlaboratoriossa sijaitsevaan
IGISOL-laitokseen rakennetun moniheijastavan lentoaika-massaerottajan (engl. Multi-
Reflection Time-of-Flight mass separator, MR-ToF-ms) käyttöönottokokeen tulokset.
Massaerottaja koekäytettiin loukuttamalla ja erottamalla toisistaan samaan
ionikimpuun sekoitetut 87Rb ja 85Rb-ionit. Tässä kokeessa laitteella saavutettiin
2.6 · 104 massaerotussuhdeluku 2.6 millisekunnin ajassa. Työssä kokeiltiin myös
ionien massavalikoivaa lähetystä moniheijastavasta lentoaika-massaerottajasta jännitepulssitettavan
keskuselektrodin avulla onnistuneesti. In this work, the results from the offline characterisation of the JYFL Multi-reflection
time-of-flight mass separator (MR-ToF-ms) constructed at the IGISOL-facility are
presented. The separator was used to trap and separate ion bunches consisting of
87Rb and 85Rb. Mass resolving power of 2.6 · 104 was achieved in 2.6 ms in this test.
During the characterisation, the use mass-selective ion ejection from the MR-ToF-ms
was also tested and found viable.
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