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ATS UNCLASSIFIED

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2023-05-30
14:19
Algorithms for Tune Estimation and Damper Control / Menor De Onate, Adrian (Delft University of Technology (NL)) ; Kotzian, Gerd (CERN)
This Project within an internship in the radio frequency group aims to explore different methods of extracting the tune from transverse feedback and pick-up data streams. [...]
CERN-ACC-NOTE-2023-0007. - 2023. - 27 p.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-05-19
11:06
HL-LHC Crab Cavity Field Regulation and Resulting RF Noise Spectrum / Baudrenghien, Philippe (CERN) ; Mastoridis, Themistoklis (California Polytechnic State Univ. (US))
The HL-LHC Low Level RF (LLRF) must fulfill three requirements: it must reduce the cavity impedance at the fundamental below the instability threshold, it must regulate the crab cavity voltage precisely (amplitude and phase), and it must provide a cavity field with a spectral purity resulting in negligible degradation of the integrated luminosity due to transverse emittance growth. [...]
CERN-ACC-NOTE-2023-0006. - 2023.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-04-24
12:04
Machine Configuration for the 2023 Proton Run (MD7003) / Fartoukh, Stephane (CERN) ; Dilly, Joschua Werner (CERN) ; Hostettler, Michi (CERN) ; Iadarola, Giovanni (CERN) ; Jacquet, Delphine (CERN) ; Kostoglou, Sofia (CERN) ; Mirarchi, Daniele (CERN) ; Persson, Tobias Hakan Bjorn (CERN) ; Solfaroli Camillocci, Matteo (CERN) ; Sterbini, Guido (CERN) et al.
This note contains a condensed summary of the various beam tests which took place in 2022 in order to validate the machine configuration planned to be deployed for the 2023 proton run of the LHC, including in particular a combined ramp and anti-telescopic squeeze, the rotation of the external crossing angle in LHCb, and beam operation with up to 1.8 × 1011 p/b..
CERN-ACC-NOTE-2023-0005. - 2023.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-04-11
15:01
Amplitude Detuning from Nonlinear-Corrector- and Triplet-Misalignments at flat-orbit in the LHC and HL-LHC / Dilly, Joschua Werner (CERN) ; Maclean, Ewen Hamish (CERN) ; Tomas Garcia, Rogelio (CERN)
Feed-down effects from high-order magnetic fields can have a detrimental impact on beam stability and lifetime in the LHC. [...]
CERN-ACC-NOTE-2022-0078. - 2022.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-04-11
11:10
Determination of BLM conversion factors for collimators scans / Gorzawski, Arkadiusz (ESS - European Spallation Source (SE)) ; Giovannozzi, Massimo (CERN)
This note summarises the results of a study related to a method used to obtain the conversion factor to calibrate in protons/s the signals measured in Gy/s by the BLM system during the collimator scans. [...]
CERN-ACC-NOTE-2022-0077. - 2022. - 9 p.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-03-30
15:48
Assessing the Usefulness of Assurance Cases: an Experience with the CERN Large Hadron Collider / Rees, Chris (Critical Systems Labs) ; Delgado, Mateo (Critical Systems Labs) ; Lippelt, Rolf (Critical Systems Labs) ; Joyce, Jeff (Critical Systems Labs) ; Diemert, Simon (Critical Systems Labs) ; Menghi, Claudio (McMasters University) ; Viger, Torin (University of Toronto) ; Chechik, Marsha (University of Toronto) ; Uythoven, Jan (CERN) ; Zerlauth, Markus (CERN) et al.
Assurance cases are structured arguments designed to show that a system functions properly in its operational environment. [...]
CERN-ACC-2023-0002. - 2023.
Supplementary material - Supplementary material - Supplementary material - Fulltext

დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-02-10
14:34
Isotope production induced by 1.4 GeV PS Booster: reaction channels identified from secondary particle fields in thick targets / Duchemin, Charlotte (CERN) ; Cerutti, Francesco (CERN) ; Rothe, Sebastian (CERN) ; Salvat Pujol, Francesc (CERN) ; Stora, Thierry (CERN) ; Vollaire, Joachim (CERN)
This note describes systematic investigations of isotope production channels in thick targets exposed to the PS Booster (PSB) beam at ISOLDE. [...]
CERN-ACC-NOTE-2023-0004. - 2023. - 8 p.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-02-07
17:53
High Energy LHC Machine Options in the LHC Tunnel / Bottura, Luca (CERN) ; Zimmermann, Frank (CERN)
The LHC infrastructure, i.e. [...]
CERN-ACC-2023-0001. - 2023. - 20 p.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-02-07
10:54
PRODUCTION OF RADIOISOTOPES FOR CANCER IMAGING AND TREATMENT WITH COMPACT LINEAR ACCELERATORS / Vretenar, Maurizio (CERN) ; Mamaras, Aristeidis (Aristotle University of Thessaloniki (GR)) ; Bisoffi, Giovanni (Universita e INFN, Legnaro (IT)) ; Foka, Yiota (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
Accelerator-produced radioisotopes are widely used inmodern medicine, for imaging, for cancer therapy, and for combinations of therapy and diagnostics (theragnostics). [...]
CERN-ACC-NOTE-2023-0003 ; NIMMS-Note-0012. - 2023. - 6 p.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2023-01-30
17:39
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.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები