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ATS UNCLASSIFIED

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2025-09-05
13:42
Optical diagnostic studies to analyse electron cyclotron resonance plasma produced in the GTS-LHC Ion Source / Bhaskar, Bichu ; Kuchler, Detlef (CERN) ; Koevener, Toke Kay Thomas
The GTS-LHC electron cyclotron resonance (ECR) ion source is an integral part of the chain of accelerators at CERN. It produces the heavy ion beams which are accel- erated using a series of accelerators from LINAC up to the LHC. [...]
CERN-ACC-2024-0007.- Geneva : CERN, 2024 - 4 p.
In : 26rd International Workshop on ECR Ion Sources (ECRIS2024), Darmstadt, Germany, 15 - 19 Sep 2024, pp.15-19

Notice détaillée
2025-09-05
10:32
Chromaticity measurement in physics conditions with BTF and ADT-AC dipole (MD13463) / Buffat, Xavier (CERN) ; Giacomel, Lorenzo ; Mounet, Nicolas (CERN) ; Paraschou, Konstantinos ; Trad, Georges (CERN) ; Valuch, Daniel (CERN)
The result of an experiment demonstrating the readiness of the tools put in place to measure chromaticity through beam transfer function measurement on a single bunch while the full physics beam is circulating is presented. [...]
CERN-ACC-2025-0002. - 2025 - 8.

Notice détaillée
2025-09-04
11:10
An Interferometric Multi-Sensor Absolute Distance Measurement System for Use in Harsh Environments / Sosin, Mateusz (CERN) ; Gonzalez Cobas, Juan David (CERN) ; Mohammed, Isa (Nottingham U.) ; Leach, Richard (Nottingham U.) ; Lipinski, Maciej Marek (CERN) ; Rude, Vivien (CERN) ; Rutkowski, Jaroslaw Marek ; Watrelot, Leonard
Fourier transform-based frequency sweeping interferometry (FT-FSI) is an interferometric technique that enables absolute distance measurement by detecting the beat frequencies from the interference of reflected signals. [...]
CERN-ACC-NOTE-2025-0017. - 2025 - 33.

Notice détaillée
2025-08-13
16:28
Margin on the FMCM Threshold for the MBS in TT66 / Lannoy, Christophe ; Wollmann, Daniel (CERN)
On 1st April 2025, voltage ripples at the output of the MBS dipoles’ power converter in TT66 inhibited beam extraction to HiRadMat. [...]
CERN-ACC-NOTE-2025-0016. - 2025 - 14.
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2025-07-29
09:13
SPS-Scraper Longitudinal Impedance Simulation and Measurement Report / Bursali, Hikmet (CERN) ; De La Fuente Garcia, Elena (Universidad Politecnica de Madrid (ES)) ; Salvant, Benoit (CERN) ; Vollinger, Christine (CERN)
This report presents the longitudinal impedance mitigation study of the 4th version of SPS Transverse Beam Scraper [...]
CERN-ACC-NOTE-2025-0015. - 2025
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2025-07-24
15:39
LGC open-source: A strategy to share adjustment software and algorithmic development / Kautzmann, Guillaume (CERN) ; Gutekunst, Juergen (CERN) ; Klumb, Francis (CERN) ; Elson, Philip (CERN)
LGC (Logiciel Général de Compensation) is a software that computes position estimates and associated statistics based on observations obtained by CERN surveyors. [...]
CERN-ACC-NOTE-2024-0038. - 2024 - 6.
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2025-07-24
15:34
Alignment strategy for the High-Luminosity Large Hadron Collider / Mainaud Durand, Helene (CERN) ; Barbarroux, Vincent Thomas (CERN) ; Behrens, Antje (CERN) ; Bestmann, Patrick (CERN) ; Fuchs, Jean-Frederic (CERN) ; Gayde, Jean-Christophe (CERN) ; Kautzmann, Guillaume (CERN) ; Klumb, Francis (CERN) ; Mergelkuhl, Dirk (CERN) ; Naegely, Anne-Valerie (CERN) et al.
The High Luminosity Large Hadron Collider (HL-LHC) project is an upgrade of the LHC to enable continuous operation at luminosities which are a factor of five above the LHC design value. [...]
CERN-ACC-NOTE-2024-0037. - 2024 - 6.
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2025-07-24
15:29
Development of a new levelling process integrated into a 3D global calculation / Fuchs, Jean-Frederic (CERN) ; Segers, Jean-Francois ; Vendeuvre, Camille (CERN)
CERN surveyors have traditionally used the 2D + 1 method for beamline smoothing, where computing the planimetric (XY) and altimetric (H) data performed independently and separately. [...]
CERN-ACC-NOTE-2024-0036. - 2024 - 7.
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2025-07-24
15:18
Alignment system tests on the CERN remote alignment system mock-up / Sosin, Mateusz (CERN) ; Barbarroux, Vincent Thomas (CERN) ; Biedrawa, Piotr ; Calmels, Julia Anna Jeanne ; Dandekar, Mamta Shrikrishna ; Falcao Machado, Joao Luis ; Fernandez Bautista, Roberto (CERN) ; Herty, Andreas (CERN) ; Kampp, Jonas ; Jasonek, Wojciech (AGH University of Krakow (PL)) et al.
The High Luminosity upgrade of the Large Hadron Collider (HL-LHC) aims to enable continuous operation at luminosities which are a factor of five above the LHC design value. [...]
CERN-ACC-NOTE-2024-0035. - 2024 - 8.
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2025-07-24
15:10
A next generation survey train for future accelerators / Bestmann, Patrick (CERN) ; Barcet, Florian ; Mergelkuhl, Dirk (CERN)
The increasing dimensions and constraints for next- generation accelerators are driving the development of new methods and strategies for automated alignment measurements [...]
CERN-ACC-NOTE-2024-0034. - 2024 - 5.
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