Erlangen 2018 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 33: Poster Session II
A 33.39: Poster
Mittwoch, 7. März 2018, 16:15–18:15, Redoutensaal
Transverse free-electron target for CRYRING@ESR — •B. Michel Döhring1, Carsten Brandau1,2, Alexander Borovik Jr1, Benjamin Ebinger1, Christophor Kozhuharov2, Tobias Molkentin1, Alfred Müller1, and Stefan Schippers1 — 1Justus-Liebig-Universität Gießen — 2GSI
The storage ring CRYRING@ESR [1] will be one of the first operational devices at the anti-proton and heavy-ion accelerator facility, FAIR, which is currently under construction in Darmstadt. A transverse free-electron target for crossed-beams in-ring experiments is currently under development. Such an electron-ion crossed-beams arrangement has never been realised at a heavy-ion-storage ring before. The electron target is based on an earlier development in Gießen [2] and consists of a multi-electrode assembly to control beam size, electron density and electron energy. According to the electron-optical simulations that we performed during the design phase of the target, the electron density will reach up to 109 cm−3 at electron energies up to 12.5 keV. The present status of the project will be presented.
[1] M. Lestinsky et al., 2016 Eur. Phys. J. ST 225 797.
[2] B. Ebinger et al., 2017 Nucl. Instrum. Meth. B 408 317.