2025-02-01
06:02 |
Beam dynamics design and optimization of a standalone radio frequency quadrupole accelerator for swift heavy ions
/ Koyickal, Sruthy Varma ; Kumar, Sarvesh (IUAC, New Delhi) ; Jakhar, Niketan (Nehru U.) ; Thakur, Chandan (Nehru U.) ; Yogesh ; Kashyap, Manish K (Nehru U.) ; Lombardi, Alessandra (CERN)
A standalone high energy, 352 MHz radio frequency quadrupole (RFQ) design is presented, resulting into targeted energy gain of 1.8 MeV/u with a beam current of 1 mA for mass to charge (A/q) ratio ≤ 4. It avoids many separate stages of transverse and longitudinal matching of beams compared to a standard RFQ + DTL accelerator combination due to automatic adiabatic bunching, focusing and acceleration of the beam and thus prevent many beam diagnostic and vacuum components. [...]
2024 - 11 p.
- Published in : Phys. Scr. 100 (2025) 015312
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2025-01-31
17:46 |
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2025-01-31
06:37 |
SPS fast spill monitor developments
/ Benitez Berrocal, Sara (CERN) ; Goldblatt, Aurelie (CERN) ; Belohrad, David (CERN) ; Balci, Elif (CERN) ; Roncarolo, Federico (CERN) ; Martin Nieto, Miguel (CERN) ; Mazzoni, Stefano (CERN) ; Burger, Stephane (CERN)
The North Area facility (NA) receives the 400 GeV proton beam through a slow extraction process at the CERN Super Proton Synchrotron (SPS). To improve the SPS spill quality, it is crucial to monitor the spill intensity from the nA up to the µA range with a bandwidth extending from a few Hz up to several GHz along the extraction line. [...]
2024 - 5 p.
- Published in : JACoW IBIC 2024 (2024) FRBC3
Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.FRBC3
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2025-01-23
17:04 |
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2025-01-21
06:24 |
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2025-01-14
16:31 |
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2025-01-14
11:18 |
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Long-range beam-beam mitigation for round optics
/ Fartoukh, Stephane (CERN) ; Kostoglou, Sofia (CERN)
When colliding high intensity bunch trains at low beta*, a sufficiently large crossing angle needs to be imposed at the interaction point (IP) in order to separate the two beams before and after the collision, and mitigate the so-called long-range beam-beam (BBLR) effect, which otherwise can be very detrimental to the beam lifetime. [...]
CERN-ACC-2023-0005.
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2023 - 22.
Full text
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2024-12-19
05:10 |
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2024-12-11
06:11 |
A Novel Method for Transverse Beam-Coupling Impedance Measurements in Particle Accelerator Devices Using the Bead-Pull Method
/ Antuono, Chiara (U. Rome La Sapienza (main) ; CERN) ; Sito, Leonardo (CERN ; Naples U.) ; Calzone, Eleonora (U. Rome La Sapienza (main) ; CERN) ; el Dali, D (CERN) ; Migliorati, Mauro (CERN ; U. Rome La Sapienza (main)) ; Mostacci, Andrea (CERN ; U. Rome La Sapienza (main)) ; Fienga, Francesco (CERN ; Naples U.) ; Marrazzo, Vincenzo Romano (CERN ; Naples U.) ; Breglio, Giovanni (CERN ; Naples U.) ; Rumolo, G (CERN) et al.
In high-energy particle accelerators, circulating particle beams with high intensity interact electromagnetically with their surroundings (i.e., metallic vacuum chambers of various geometries). These electromagnetic interactions, which are typically described through the concept of beam-coupling impedance, can represent a serious issue in terms of stability of the particle beam and heating on the accelerator structures. [...]
2024 - 9 p.
- Published in : IEEE Trans. Instrum. Meas. 73 (2024) 8005209
Fulltext: PDF;
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2024-12-10
05:13 |
Development and commissioning of ion-optical elements for ion and antiproton beams with energies up to 5 keV
/ Klink, Clara (Darmstadt, Tech. U. ; CERN) ; Schlaich, Moritz (Darmstadt, Tech. U.) ; Fischer, Jonas (Darmstadt, Tech. U.) ; Obertelli, Alexandre (Darmstadt, Tech. U.) ; Schmidt, Alexander (Darmstadt, Tech. U.) ; Wienholtz, Frank (Darmstadt, Tech. U.)
In nuclear and atomic physics experiments, charged ion beams often need to be guided from the ion production to the experimental site. In the PUMA experiment, an ion source beamline was developed, which can be operated with up to \SI5{\kilo\electronvolt} beam energy at a base pressure of $10^{-9}$ mbar or better. [...]
arXiv:2410.18724.-
2024-11-15 - 22 p.
- Published in : JINST 19 (2024) T11009
Fulltext: 2410.18724 - PDF; Publication - PDF;
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