CERN Accelerating science


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Measurement of Excess Noise in Thin Film and Metal Foil Resistor Networks / Beev, Nikolai (CERN)
Low-frequency resistance fluctuations cause excess noise in biased resistors. [...]
- 2022.

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A Metrology-grade Digitizer for Power Converters in the High Luminosity Large Hadron Collider / Beev, Nikolai (CERN) ; Cerqueira Bastos, Miguel (CERN) ; Martino, Michele (CERN) ; Valuch, Daniel (CERN)
The High Luminosity Large Hadron Collider project at CERN requires performance improvements in the precision powering of magnets, in particular for the new Nb3Sn based Inner Triplet magnets that provide the final focusing of the hadron beams at the interaction points of the ATLAS and CMS detectors. [...]
- 2022.

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A COMPACT SYNCHROTRON FOR ADVANCED CANCER THERAPY WITH HELIUM AND PROTON BEAMS / Vretenar, Maurizio (CERN) ; Angoletta, Maria Elena (CERN) ; Bisoffi, Giovanni (Universita e INFN, Legnaro (IT)) ; Borburgh, Jan (CERN) ; Bottura, Luca (CERN) ; Palskis, Kristaps (Riga Technical University (LV)) ; Tranquille, Gerard Alain (CERN) ; Benedetto, Elena (SEEIIST Association (CH)) ; Sapinski, Mariusz (Paul Scherrer Institute (CH)) ; Taylor, Rebecca Louise (CERN)
Recent years have seen an increased interest in the use of helium for radiation therapy of cancer. [...]
- 2022. - 4 p.

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KlyC. The 1D/1.5D large signal computer code for the Klystron simulations. User Manual. Version 6. (included CGUN for the 2D electron beam optics simulation). / Cai, Jinchi (Lancaster University (GB)) ; Syratchev, Igor (CERN) ; Burt, Graeme Campbell (Lancaster University (GB))
Almost all accurate and efficient 2D large-signal codes for klystron simulations are proprietary and are not freely available to the wider klystron community [...]
CERN-ACC-2022-0008 ; CLIC-Note-1177.
- 2022. - 31 p.
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DC Beam Stability issues in the first commercial prototype of a High Efficiency 8MW X-Band Klystron / Syratchev, Igor (CERN) ; Un Nisa, Zaib (CERN) ; Cai, Jinchi (Lancaster University (GB)) ; Burt, Graeme Campbell (Lancaster University (GB)) ; Anno, Toshiro (Canon Electron Tubes & Devices Co., Ltd (CETD))
The first commercial prototype of the new High Efficiency (HE) 8MW klystron was built and tested at CETD in the fall of 2021. [...]
CERN-ACC-2022-0007 ; CLIC-Note-1176.
- 2022. - 13 p.
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Amorphous and Diamond-Like Carbon coatings for SEY reduction of dielectric materials for accelerating structure applications / Grudiev, Alexej (CERN) ; Neupert, Holger (CERN) ; Vollenberg, Wilhelmus (CERN) ; Jing, Chunguang (Euclid Techlabs LLC) ; Poddar, Shashi (Euclid Techlabs LLC) ; Freemire, Ben (Euclid Techlabs LLC)
Multipactor discharges in dielectric accelerating structures are a major limitation on the performance of this otherwise very promising technology for future high energy physics machines and other applications. [...]
CERN-ACC-2022-0006 ; CLIC-Note-1175.
- 2022. - 16 p.
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Carbon ion compact medical synchrotron: key parameters / Benedetto, Elena (SEEIIST Association (CH))
The report provides the key parameters for a compact medical synchrotron for carbon and other ions [...]
CERN-ACC-NOTE-2022-0017 ; NIMMS-Note 008.
- 2022. - 7 p.
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Preliminary design of SEEIIST High Energy Beam Transfer lines / Sapinski, Mariusz (Paul Scherrer Institute (CH))
The South-East Europe International Institute for Sustainable Technologies (SEEIIST) is planning to construct a new Carbon Ion Radiotherapy Center in South-East Europe. [...]
CERN-ACC-NOTE-2022-0016 ; NIMMS-Note-009.
- 2022. - 27 p.

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Optics Measurement and Correction Strategies for HL-LHC / Buffat, Xavier (CERN) ; Carlier, Felix Simon (CERN) ; Coello De Portugal - Martinez Vazquez, Jaime Maria ; De Maria, Riccardo (CERN) ; Dilly, Joschua Werner (Humboldt University of Berlin (DE)) ; Fol, Elena (CERN) ; Fuster Martinez, Nuria ; Gamba, Davide (CERN) ; Garcia Morales, Hector ; Garcia-Tabares Valdivieso, Ana (Universidad Complutense (ES)) et al.
The baseline strategy for optics commissioning in the HL-LHC era is presented and reviewed in detail, along with recent developments and unsolved matters in the linear and nonlinear optics measurement and correction techniques..
- 2022. - 102 p.

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Special relativity, electromagnetism, classical and quantum mechanics: what to remember for particle accelerators / Metral, Elias (CERN)
The goal of these lectures (of 6 times 45 minutes), which have been prepared for the Riga Technical University Course "Accelerator Technologies” (, is to provide the necessary background to understand in detail the accelerator physics and perform all the necessary computations. [...]
- 2022. - 333 p.
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