2024-01-11 15:10 |
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2024-01-11 15:06 |
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2024-01-10 11:04 |
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2024-01-10 10:52 |
[GSI-2024-00075]
Journal Article
Ueberholz, K. ; Bozyk, L. ; Bussmann, M. ; et al
XUV Fluorescence Detection of Laser-Cooled Stored Relativistic Ions
An improved moveable in vacuo XUV fluorescence detection system was employed for the laser cooling of bunched relativistic (𝛽 = 0.47) carbon ions at the Experimental Storage Ring (ESR) of GSI Helmholtzzentrum Darmstadt, Germany. Strongly Doppler boosted XUV fluorescence (∼90 nm) was emitted from the ions in a forward light cone after laser excitation of the 2s–2p transition (∼155 nm) by a new tunable pulsed UV laser system (257 nm). [...]
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2023-12-18 16:55 |
[GSI-2023-01091]
Contribution to a conference proceedings
Ondreka, D. ; Spiller, P. ; Galnander, B. P. ; et al
Status of SIS100 slow extraction design including effects of measured magnetic field errors
2023The 14th International Particle Accelerator Conference, IPAC23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
JACoW Publishing 2443-2446 p. (2023) [10.18429/JACOW-IPAC2023-TUPM099]2023
The synchrotron SIS100 at FAIR, currently under construction in Darmstadt, Germany, will deliver slow extracted proton and ion beams up to 100 Tm employing resonant extraction. Its compact super-ferric dipole and quadrupole magnets allow fast ramping of magnetic field up to 4 T/s and 57 (T/m)/s, respectively. [...]
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2023-12-18 16:47 |
[GSI-2023-01090]
Contribution to a conference proceedings
Ondreka, D. ; Martin, R.
Challenges for the SIS100 emergency beam dump system
2023The 14th International Particle Accelerator Conference, IPAC23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
JACoW Publishing 2514-2517 p (2023) [10.18429/JACOW-IPAC2023-TUPM124]2023
The heavy ion synchrotron SIS100 is the flagship accelerator of the Facility for Antiproton and Ion Research (FAIR) currently under construction at GSI, Darmstadt. It will provide high intensity beams of particles ranging from protons to uranium ions at beam rigidities up to 100 Tm. [...]
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2023-12-18 16:37 |
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2023-12-18 16:35 |
[GSI-2023-01087]
Contribution to a conference proceedings
Balazs, B. ; Steinhagen, R. ; Ondreka, D. ; et al
Opendigitizer: digitizer modernisation using openCMW and GNU radio 4.0 for FAIR
2023The 14th International Particle Accelerator Conference, IPAC23, VeniceVenice, Italy, 7 May 2023 - 7 May 20232023-05-072023-05-07
JACoW Publishing 4684-4687 pages1.1 MB (2023) [10.18429/JACOW-IPAC2023-THPL098]2023
OpenDigitizer* is an open-source modernisation of FAIR's modular digitizer infrastructure and graphical user interface based on OpenCMW, WebAssembly, and the GNU Radio 4.0 frameworks. Already used to provide generic monitoring and first-line diagnostics for accelerator-related devices, it further supports equipment experts, operation, and FAIR users in developing basic to advanced top-level measurement and control loops. [...]
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2023-12-18 16:34 |
[GSI-2023-01086]
Contribution to a conference proceedings
Steinhagen, R. ; Kretz, M. ; Krimm, A. ; et al
GNU Radio 4.0 for real-time signal-processing and feedback applications at FAIR
2023The 14th International Particle Accelerator Conference, IPAC23, BangkokBangkok, Thailand, 7 May 2023 - 7 May 20232023-05-072023-05-07
JACoW Publishing 4688-4691 pages0.27 MB (2023) [10.18429/JACOW-IPAC2023-THPL099]2023
At FAIR, GNU Radio* is being used as part of the generic monitoring and first-line diagnostics for acceleratorrelated devices, and to further support equipment experts, operation, and FAIR users in developing basic to advanced top-level measurement and control loops. GNU Radio is a free and open-source software development toolkit supporting hundreds of low-cost to high-performance industrial digitizers with sampling frequencies ranging from a few MS/s to GS/s~\cite{gnuradio, gnuradio_github, gnuradio4_github, FAIR_Digitizer, FAIR_Digitizer2}. [...]
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2023-12-18 16:32 |
[GSI-2023-01085]
Contribution to a conference proceedings
Rottländer, P. ; Spiller, P. ; Thoma, K. ; et al
Status of the electron lens for space charge compensation in SIS18
2023The 14th International Particle Accelerator Conference, IPAC23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
JACoW Publishing 2309-2312 pages0.94 MB (2023) [10.18429/JACOW-IPAC2023-TUPM052]2023
A prototype electron lens for space charge compensation in the synchrotron SIS18 that could pave the way for pushing the space charge limit of hadron synchrotrons is currently under development at GSI. Accompanied by beam transport simulations, a 3D construction model is being worked out as well as the integration into the existing accelerator facility. [...]
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