CERN Accelerating science

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1.
Beam optics upgrade for radio frequency quadrupole in LINAC4 project at CERN / Kumar, Sarvesh (Inter-University Accelerator Center IUAC (IN)) ; Bellodi, Giulia (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra (CERN) ; Pommerenke, Hermann Winrich
In the framework of the Spare Radio Frequency Quadrupole Project [1] the layout of an enhanced performance RFQ has been explored [...]
CERN-ACC-Note-2023-0002.
- 2023. - 7 p.
Full text
2.
The FCCee Pre-Injector Complex / Craievich, Paolo (PSI, Villigen) ; Alharthi, Fahad (IJCLab, Orsay) ; Auchmann, Bernhard (PSI, Villigen) ; Bartmann, Wolfgang (CERN) ; Benedikt, Michael (CERN) ; Besana, Maria Ilaria (CERN) ; Bettoni, Simona (PSI, Villigen) ; Braun, Hans-Heinrich (PSI, Villigen) ; Calviani, Marco (CERN) ; Chaikovska, Iryna (IJCLab, Orsay) et al.
The international FCC study group published in 2019 a Conceptual Design Report for an electron-positron collider with a centre-of-mass energy from 90 to 365 GeV with a beam currents of up to 1.4 A per beam. The high beam current of this collider create challenging requirements on the injection chain and all aspects of the linac need to be carefully reconsidered and revisited, including the injection time structure. [...]
2022 - 4 p. - Published in : JACoW IPAC 2022 (2022) 2007-2010 Fulltext: PDF;
In : 13th International Particle Accelerator Conference (IPAC 2022), Bangkok, Thailand, 12 - 17 Jun 2022, pp.2007-2010
3.
Beam Dynamics and RF Design Studies for the New RFQ for CERN Linac4 Upgrade / Pommerenke, Hermann (CERN) ; Bellodi, Giulia (CERN) ; Grudiev, Alexej (CERN) ; Kumar, Sarvesh (CERN) ; Lombardi, Alessandra (CERN)
The 352 MHz Linac4-RFQ is the first rf accelerating structure of the CERN accelerator complex, accelerating an H-beam to 3 MeV. After successful commissioning in 2013, superficial vane damage has been observed in 2020. [...]
2022 - 4 p. - Published in : JACoW LINAC 2022 (2022) 430-433 Fulltext: PDF;
In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.430-433
4.
RF Measurements and Tuning of the CERN 750 MHz ELISA-RFQ for Public Exhibition / Marchi, Mariangela (CERN ; U. Rome La Sapienza (main)) ; Grudiev, Alexej (CERN) ; Mathot, Serge (CERN) ; Pommerenke, Hermann (CERN)
Over the last few years, CERN has successfully designed, built, and commissioned the smallest RFQ to date, the one meter long PIXE-RFQ operating at 750 MHz. Its compactness offers a unique opportunity for education and public presentation of the accelerator community: A duplicate ma- chine called ELISA-RFQ (Experimental Linac for Surface Analysis) will be exhibited in the Science Gateway, CERN’s upcoming scientific education and outreach center. [...]
2022 - 4 p. - Published in : JACoW LINAC 2022 (2022) 426-429 Fulltext: PDF;
In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.426-429
5.
RF Design of Traveling-Wave Accelerating Structures for the FCC-ee Pre-injector Complex / Pommerenke, Hermann (CERN) ; Bettoni, Simona (PSI, Villigen) ; Craievich, Paolo (PSI, Villigen) ; Grudiev, Alexej (CERN) ; Latina, Andrea (CERN) ; Raguin, Jean-Yves (PSI, Villigen) ; Schaer, Mattia (PSI, Villigen)
The linacs of the FCC-ee (Future Circular Electron-Positron Collider) injector complex will provide the drive beam for positron production and accelerate nominal electron and positron beams up to 6 GeV. Several linacs comprise different traveling-wave (TW) accelerating structures fulfilling the beam dynamics and rf constraints. [...]
2022 - 4 p. - Published in : JACoW LINAC 2022 (2022) 707-710 Fulltext: PDF;
In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.707-710
6.
rf measurements and tuning of the 1-m-long 750 MHz radio-frequency quadrupole for artwork analysis / Pommerenke, Hermann W. (CERN ; U. Rostock) ; van Rienen, Ursula (U. Rostock) ; Grudiev, Alexej (CERN)
The 750 MHz PIXE-RFQ (radio-frequency quadrupole), developed and built at CERN, provides 2 MeV protons over a length of one meter for proton-induced X-ray emission analysis (PIXE) of cultural heritage artwork. In this paper, we report low-power rf measurements and tuning of the PIXE-RFQ, which have been completed mid-2020. [...]
arXiv:2011.09920.- 2021-09-21 - 11 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1011 (2021) 165564 Fulltext: 2011.09920 - PDF; 1-s2.0-S0168900221005490-main - PDF;
7.
750 MHz radio frequency quadrupole with trapezoidal vanes for carbon ion therapy / Bencini, Vittorio (CERN) ; Pommerenke, Hermann W. (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra M. (CERN)
High-frequency linear accelerators are very suitable for carbon ion therapy, thanks to the reduced operational costs and the high beam quality with respect to synchrotrons, which are presently the only available technology for this application. In the framework of the development of a new linac for carbon ion therapy, this article describes the design of a compact 750 MHz Radio Frequency Quadrupole (RFQ) with trapezoidal vanes. [...]
arXiv:2007.10739.- 2021-01-01 - 19 p. - Published in : Phys. Rev. Accel. Beams 23 (2021) 122003 Fulltext: PDF; Fulltext from Publisher: PDF;
8.
RF Measurements and Tuning of the PIXE-RFQ / Pommerenke, Hermann Winrich (CERN) ; Grudiev, Alexej (CERN)
CERN has built a 750 MHz radio-frequency quadrupole (RFQ), called PIXE-RFQ, for proton-induced X-ray emission analysis (PIXE) of cultural heritage artwork. [...]
CERN-ACC-NOTE-2020-0062.
- 2020. - 66 p.
Full text
9.
rf design studies on the 750 MHz radio frequency quadrupole linac for proton-induced x-ray emission analysis / Pommerenke, Hermann Winrich (CERN ; U. Rostock) ; Bencini, Vittorio (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra Maria (CERN) ; Mathot, Serge (CERN) ; Montesinos, Eric (CERN) ; Timmins, Marc (CERN) ; van Rienen, Ursula (U. Rostock) ; Vretenar, Maurizio (CERN)
The proton-induced x-ray emission (PIXE) is the most commonly used ion beam analysis technique. It allows for nondestructive quantitative elemental characterization and is used in a variety of fields, particularly for the diagnosis of cultural heritage artwork. [...]
2019 - 12 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 052003 Fulltext from Publisher: PDF;
10.
RF Design of a High-frequency RFQ Linac for PIXE Analysis / Pommerenke, Hermann (CERN ; U. Rostock) ; Bilton, Amy (CERN) ; Grudiev, Alexej (CERN) ; Lombardi, Alessandra (CERN) ; Mathot, Serge (CERN) ; Montesinos, Eric (CERN) ; Timmins, Marc (CERN) ; Vretenar, Maurizio (CERN) ; van Rienen, Ursula (U. Rostock)
Protons with an energy of few MeV are commonly used for Ion Beam Analysis of materials, in particular with the Proton Induced X-ray Emission technique (PIXE). Because of its non-damaging character, PIXE is used in a variety of fields, in particular for the diagnosis of cultural heritage artwork. [...]
CERN-ACC-2018-193.- 2018 - 4 p. - Published in : 10.18429/JACoW-LINAC2018-THPO058 Fulltext: PDF;
In : 29th International Linear Accelerator Conference, Beijing, China, 16 - 21 Sep 2018, pp.THPO058

似た著者名:
2 Pommerenke, H
2 Pommerenke, Hermann W.
3 Pommerenke, Hermann Winrich
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