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RF design and optimization of the high-energy linac for the FCC-ee injector complex
/ Kurtulus, A (CERN ; ETH, Zurich (main)) ; Grudiev, A (CERN) ; Latina, A (CERN) ; Bettoni, S (PSI, Villigen) ; Craievich, P (PSI, Villigen) ; Raguin, J -Y (PSI, Villigen)
The high-energy linac of the Future Circular Collider electron-positron (FCC-ee) injector complex requires high-performance rf accelerating structures to efficiently accelerate beams up to 20 GeV while ensuring operational stability. This study presents an analytical approach to the rf design of traveling-wave structures, incorporating a pulse compression system to enhance power efficiency and meet the demanding FCC-ee specifications. [...]
2025 - 11 p.
- Published in : Phys. Rev. Accel. Beams 28 (2025) 101601
publication: PDF;
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Prospects for extreme light sources at the CERN accelerator complex
/ Granados, Eduardo (CERN) ; Marsh, Bruce A (CERN) ; Fedosseev, Valentin N (CERN) ; Krasny, Mieczyslaw Witold (CERN) ; Latina, Andrea (CERN) ; Muşat, Vlad (CERN ; Oxford U.) ; Corsini, Roberto (CERN) ; Martens, Aurélien (IJCLab, Orsay) ; Zomer, Fabian (IJCLab, Orsay) ; Cassou, Kevin (IJCLab, Orsay) et al.
The unique parameter space of CERN’s ultra-relativistic particle beams offers tremendous opportunities for extreme light production at photon energies ranging from the Soft X-rays to γ-rays when paired to state-of-the-art high-power lasers..
2024
- Published in : Optica 175 (2024) ETu3A.3
In : Compact EUV & X-ray Light Sources 2024 (EUVXRAY), Vienna, Austria, 12 - 14 March 2024, pp.ETu3A.3
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Yb-based high-power frequency combs for high-intensity laser–particle interactions
/ Roiková, Eva (CERN ; Uppsala U.) ; Martens, Aurélien (IJCLab, Orsay) ; Latina, Andrea (CERN) ; Goryashko, Vitaliy (Uppsala U. ; XFEL, RIKEN) ; Krasny, Mieczyslaw Witold (CERN ; LPNHE, Paris) ; Chulkov, Ruslan (Uppsala U.) ; Goddard, Brennan (CERN) ; Musat, Vlad (CERN ; JAI, UK) ; Granados, Eduardo (CERN)
Optical frequency combs (OFCs) are a revolutionary tool for metrology, spectroscopy, and, in general, the precise interaction of lasers with particles. In this context, ytterbium (Yb) based laser technologies are particularly relevant due to their broad bandwidth and ability to produce high average power laser beams at extremely low phase-noise level. [...]
2025 - 25 p.
- Published in : APL Photon. 10 (2025) 070901
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The DEFT facility: An accelerator for very-high-energy electron FLASH radiotherapy Technical design report
/ Angoletta, Maria Elena (CERN) ; Bauche, Jeremie (CERN) ; Brunner, Olivier (CERN) ; Calatroni, Sergio (CERN) ; Corsini, Roberto (CERN) ; Cravero, Jean-Marc (CERN) ; Doebert, Steffen (CERN) ; Ferreira Somoza, Jose Antonio (CERN) ; Giordano, Maria Carmen (CERN) ; Granados, Eduardo (CERN) et al.
The design of an accelerator facility capable of delivering FLASH radiotherapy to large, deep-seatedtumours is presented. The facility, called DEFT (Deep Electron Flash Therapy), produces 140 MeVelectrons so is capable of treating tumours located at depths up to 25 cm. [...]
CERN-2025-007.-
Geneva : CERN, 2025 - 135 p.
CERN Yellow Reports: Monographs, 7/2025
- Published in : 10.23731/CYRM-2025-007
Fulltext: PDF;
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Electro-optic frequency combs for high flux X-ray generation via high-intensity laser-particle interactions at CERN
/ Roiková, Eva (CERN ; Uppsala U. (main)) ; Latina, Andrea (CERN) ; Muşat, Vlad (CERN ; JAI, UK) ; Goryashko, Vitaliy (Uppsala U. (main) ; JAERI-RIKEN, Hyogo) ; Granados, Eduardo (CERN)
Electro-optic frequency comb (EOFC) technology has undergone a significant development in recent years, driven by the increasing demand for agile ultrafast optical systems in both scientific research and commercial applications. Advances in integrated and fiber-based GHz modulators operating in the near-infrared (NIR) region have enabled the use of modulation techniques to efficiently generate ultrafast laser pulses with arbitrary repetition rates of up to 10s of GHz and tunable pulse duration down to 100s of fs. [...]
2025 - 1 p.
- Published in : IEEE 90 (2025) cf_p_33
External link: Fulltext
In : Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), Munich, Germany, 23 - 27 Jun, pp.cf_p_33
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Benchmarking Intrabeam Scattering with RF-Track
/ Desiré, P (CERN ; U. Groningen (main)) ; Latina, A (CERN) ; Mitri, S Di (Sincrotrone Trieste ; U. Trieste (main)) ; Gerbershagen, A (U. Groningen (main))
Intra-beam scattering (IBS) has recently gained significant interest in the community of free electron lasers (FELs), as it is believed to produce an increment in the sliced energy spread (SES), which is detrimental to FEL performance.To control and contain this phenomenon, it is important to include IBS in the design phase of an FEL through appropriate numerical simulation. Most existing codes that simulate IBS were developed for long-term tracking in circular lattices, assuming Gaussian bunches. [...]
2025 - 6 p.
- Published in : J. Phys. : Conf. Ser. 3094 (2025) 012040
Fulltext: PDF;
In : International Particle Accelerator Conference (IPAC'25), Taipei, Taiwan, 1-6 June 2025, pp.012040
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Demonstration and characterisation of a novel dual-scattering system for very high energy electrons
/ Robertson, C (JAI, UK ; Unlisted, UK ; Newcastle upon Tyne U. ; CERN) ; Corsini, R (CERN) ; Farabolini, W (CERN) ; Gerbershagen, A (U. Med. Ctr. Groningen, Groningen) ; Korysko, P (JAI, UK ; CERN) ; Latina, A (CERN) ; Malyzhenkov, A (CERN ; Unlisted, CH) ; Dosanjh, M (JAI, UK ; CERN)
This article describes the design and implementation of the first known prototype of a dual-scattering system for the delivery of a uniform VHEE beam with transverse dimensions suitable for pre-clinical and potential future clinical use. The results presented in this article are the first experimental characterisation of beam flattening with dual-scattering foils in the VHEE regime, confirmed with both profile measurements with a YAG screen and radiochromic EBT3 films. [...]
2025 - 12 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1082 (2026) 170943
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