Charge state optimisation for beryllium accelerator mass spectrometry

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http://hdl.handle.net/10138/314252

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Gonsalves , B C , Mizohata , K , Tikkanen , P O & Räisänen , J A 2020 , ' Charge state optimisation for beryllium accelerator mass spectrometry ' , Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms , vol. 469 , pp. 33-36 . https://doi.org/10.1016/j.nimb.2020.02.020

Titel: Charge state optimisation for beryllium accelerator mass spectrometry
Författare: Gonsalves, Basil C.; Mizohata, Kenichiro; Tikkanen, Pertti O.; Räisänen, Jyrki A.
Upphovmannens organisation: Materials Physics
Department of Physics
Datum: 2020-04-15
Språk: eng
Sidantal: 4
Tillhör serie: Nuclear Instruments & Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
ISSN: 0168-583X
DOI: https://doi.org/10.1016/j.nimb.2020.02.020
Permanenta länken (URI): http://hdl.handle.net/10138/314252
Abstrakt: The yields of Be-9 charge states (q = +1, + 2, +3, and + 4) from injected BeO- were measured with terminal voltage range from 1 to 5 MV. The yields were determined from the momentum analysed beam currents measured by beam profile monitors, after the 90 degrees injector and analysing magnets. Stripping gas pressure dependency of the transmission efficiency was also determined and the results were studied with SRIM simulations. The effect of stripping medium was studied using both Ar and CO2 gases. The presented results are compared against experimental values found from literature, semi-empirical parametrisation models, and charge-exchange theories.
Subject: AMS
Beryllium
Charge state
FAST HEAVY-IONS
114 Physical sciences
Referentgranskad: Ja
Licens: cc_by
Användningsbegränsning: openAccess
Parallelpublicerad version: publishedVersion


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