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| 001 | 347659 | ||
| 005 | 20240108134709.0 | ||
| 024 | 7 | _ | |a 10.18429/JACOW-IPAC2021-THPAB157 |2 doi |
| 024 | 7 | _ | |a 10.15120/GSI-2023-01077 |2 datacite_doi |
| 037 | _ | _ | |a GSI-2023-01077 |
| 041 | _ | _ | |a English |
| 100 | 1 | _ | |a Galnander, Björn Patrik |0 P:(DE-Ds200)OR10248 |b 0 |e Corresponding author |
| 111 | 2 | _ | |a The 12th International Particle Accelerator Conference |g IPAC21 |c Campinas |d 2021-05-24 - 2021-05-28 |w Brazil |
| 245 | _ | _ | |a Studying X-Ray Spectra of the SIS18 Electrostatic Septa to Measure Their Electric Field |
| 260 | _ | _ | |c 2021 |b JACoW Publishing, Geneva, Switzerland |
| 295 | 1 | 0 | |a Proceedings of the 12th International Particle Accelerator Conference, IPAC2021, Campinas, SP, Brazil |
| 300 | _ | _ | |a 3 pages0.803 MB |
| 336 | 7 | _ | |a CONFERENCE_PAPER |2 ORCID |
| 336 | 7 | _ | |a Conference Paper |0 33 |2 EndNote |
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| 500 | _ | _ | |a Published by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. |
| 520 | _ | _ | |a The synchrotron SIS18 at GSI uses resonant extraction for slow beam extraction on the order of seconds. For some time, there has been an unexplained discrepancy of the slow extraction with a lower extraction efficiency than expected at the highest beam energies. Recent machine studies have indicated that the deflection by the electrostatic septum might be less than the nominal 2.5 mrad, leading to increased losses at the magnetic septum. In this paper, we pursue an idea to directly measure the voltage of the electrode gap by utilizing the fact that dark current electrons accelerated in the gap of the electrostatic extraction septum generate Bremsstrahlung X-rays when hitting the anode. The high-energy cut-off of the X-ray spectra then corresponds to the voltage of the electrode gap. Measurements of the X-ray spectra at the extraction septum of SIS18 have been performed using a solid-state CdTe detector. This technique provides an in-situ measurement of the voltage applied to the electrostatic extraction channel and has proven to be a useful diagnostics tool. |
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| 700 | 1 | _ | |a Kozlova, Ekaterina |0 P:(DE-Ds200)OR0634 |b 1 |u gsi |
| 700 | 1 | _ | |a Ondreka, David |0 P:(DE-Ds200)OR0900 |b 2 |u gsi |
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| 700 | 1 | _ | |a Stadlmann, Jens |0 P:(DE-Ds200)OR1229 |b 5 |u gsi |
| 773 | _ | _ | |a 10.18429/JACOW-IPAC2021-THPAB157 |
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