Explanipedia

Electron-impact single ionisation of W 14+ ions: subconfiguration-average and level-to-level distorted wave calculations Open

F. Jin, A Borovik, B Ebinger, S. Schippers · 2020

Physics

The cross section for electron-impact single ionisation of ions has been calculated by using two different approaches, i.e. the subconfiguration averaged distorted-wave (SCADW) method and the more involved level-to-level distorted-w…

First experimental results from a new high-power electron gun: Electron-impact ionisation of multiply charged xenon ions Open

B. Michel Döhring, B Ebinger, A Borovik, Klaus Huber, A. Müller , et al. · 2020

Physics Materials science Computer science

Synopsis During recent years we have developed a new high-current electron gun for the Giessen electron-ion crossed-beams experiment aiming at an extension of the previously available collision-energy range of 1–1000 eV to 3500 eV. Here, w…

Electron-impact ionisation of Wq+ ions with 1 ⩽ q ⩽ 19 Open

D. Schury, Anna Becker, A Borovik, B Ebinger, M F Gharaibeh , et al. · 2020

Physics Materials science

Synopsis Electron-impact ionisation cross sections of tungsten ions in the energy range from the ionisation threshold to 1000 eV were measured. The experimental cross sections are compared with results from sub-configuration averaged disto…

Electron-impact single ionisation of W q + ions: experiment and theory for 11 ≤ q ≤ 18 Open

D. Schury, A Borovik, B Ebinger, F. Jin, K. Spruck , et al. · 2019

Physics Chemistry Materials science

Absolute cross sections for electron-impact single ionisation (EISI) of multiply charged tungsten ions (W q + ) with charge states in the range in the electron–ion collision energy ranges from below the respective ionisation threshol…

Commissioning of a high-power electron gun for electron-ion crossed-beams experiments Open

B Ebinger, A Borovik, B. Michel Döhring, T. Molkentin, A. Müller , et al. · 2017

Physics Materials science

A high-power electron gun delivering a ribbon-shaped electron beam with energies of 10-3500 eV and high currents at all energies is currently being commissioned at the electron-ion crossed-beams setup in Giessen. As compared to the formerl…

Developments towards a transverse free-electron target for the storage ring CRYRING@ESR Open

C. Brandau, A Borovik, B. Michel Döhring, B Ebinger, C. Kozhuharov , et al. · 2017

Physics Engineering Computer science

Synopsis A transverse free-electron target for crossed-beams collision studies is currently being developed. The target will be installed in the main experimental section of the FAIR storage ring CRYRING@ESR. The setup will allow for elect…

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