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CERN Document Server Znaleziono 48 rekordów  1 - 10następnykoniec  skocz do rekordu: Szukanie trwało 0.76 sekund. 
1.
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 Status report on LHC beam-position measurements at the experimental IPs / Gasior, Marek (speaker) (CERN)
• DOROS BPMs: improvements since the start of Run III, performance, known limitations & issues • Brief comments about Arc BPMS in the context of orbit-drift monitoring?
2025 - 1869. LPCC Workshops; LumiDays 25 External links: Talk details; Event details In : LumiDays 25
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2.
Overview of the FCC-ee beam instrumentation R / Mazzoni, Stefano (CERN) ; Boccardi, Andrea (CERN) ; Schloegelhofer, Andreas (CERN) ; Nosych, Andriy (CELLS - ALBA, LLS) ; Mueller, Anke-Susanne (KIT, Karlsruhe) ; Haerer, Bastian (KIT, Karlsruhe) ; Salvachua, Belen (CERN) ; Paroli, Bruno (U. Milan (main)) ; Zamantzas, Christos (CERN) ; Butti, Daniele (CERN) et al.
The talk shall present an overview of the FCC beam instrumentation needs, the corresponding main challenges. This will review the different R&D; activities being currently pursued, including Beam position and loss monitoring, Transverse and longitudinal monitoring systems as well as polarimetry and luminosity monitoring..
2024 - 4 p. - Published in : JACoW IBIC 2024 (2024) TUAC2 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUAC2
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3.
First results with a Base Band Tune (BBQ) measurement system at Solaris / Gasior, Marek (CERN) ; Wawrzyniak, Adriana (Unlisted, PL) ; Szczepaniak, Mateusz (Unlisted, PL) ; Panas, Roman (Unlisted, PL)
All CERN circular accelerators are equipped with Base Band Tune (BBQ) measurement systems, based on the direct diode detection technique, allowing to measure the tunes of hadron beams by employing their residual betatron oscillations or very small external excitation. In the framework of the Future Circular Collider (FCC) project, a study was launched to optimise such a system for operation with short electron bunches. [...]
2024 - 5 p. - Published in : JACoW IBIC 2024 (2024) THP59 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.THP59
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4.
A New Wall Current Transformer for Accurate Beam Intensity Measurements in the Large Hadron Collider / Krupa, Michal (CERN) ; Gasior, Marek (CERN)
The Large Hadron Collider (LHC) stores two high-energy counter-rotating particle beams consisting of multiple bunches of a nanosecond length. Precise knowledge of the number of particles within each bunch, known as the bunch intensity, is crucial for physicists and accelerator operators. [...]
2023 - 21 p. - Published in : MDPI Energies 16 (2023) 7442 Fulltext: PDF;
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5.
An LHC Protection System Based on Fast Beam Intensity Drops / Gąsior, Marek (CERN) ; Levens, Thomas (CERN)
The Large Hadron Collider (LHC) is protected against potentially dangerous beam losses by a distributed system based on some four thousand beam loss monitors. To provide an additional level of safety, the LHC has been equipped with a system to detect fast beam intensity drops and trigger a beam dump for potentially dangerous rates. [...]
2022 - 4 p. - Published in : JACoW IBIC 2022 (2022) 387-390 Fulltext: PDF;
In : 11th International Beam Instrumentation Conference (IBIC 2022), Cracow, Poland, 11 - 15 Sep 2022, pp.387-390
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6.
Signal Analysis and Detection for the BPMs of the LHC Hollow Electron Lens / Bantemits, Georgios (CERN) ; Gąsior, Marek (CERN) ; Rossi, Adriana (CERN) ; Wendt, Manfred (CERN)
The Large Hadron Collider (LHC) at CERN will be equipped with two hollow electron lenses (HEL) for the high luminosity upgrade, which allow for scraping of the LHC proton or ion beams transverse tails by overlapping a coaxial hollow electron beam over a 3 m length. A precise alignment of the two beams is essential for the HEL functionality, the bunched LHC hadron beam of up to 7 TeV beam energy, and the non-relativistic, DC-like electron hollow beam of 10 keV energy. [...]
Geneva : JACoW, 2021 - 5 p. - Published in : JACoW IBIC 2021 (2021) 91-95 Fulltext: PDF;
In : 10th International Beam Instrumentation Conference (IBIC 2021), Online, Korea, 13 - 17 Sep 2021, pp.91-95
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7.
An Alternative Processing Algorithm for the Tune Measurement System in the LHC / Grech, Leander (Malta U.) ; Alves, Diogo (CERN) ; Gąsior, Marek (CERN) ; Jackson, Stephen (CERN) ; Jones, Owain Rhodri (CERN) ; Levens, Thomas (CERN) ; Valentino, Gianluca (Malta U.) ; Wenninger, Jorg (CERN)
The betatron tune in the Large Hadron Collider (LHC) is measured using a Base-Band-Tune (BBQ) system. Processing of these BBQ signals is often perturbed by 50Hz noise harmonics present in the beam. [...]
2020 - 4 p. - Published in : 10.18429/JACoW-IBIC2020-WEPP27 Fulltext: PDF;
In : 9th International Beam Instrumentation Conference, Online, 14 - 18 Sep 2020, pp.WEPP27
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8.
Analysis of Quadrupolar Measurements for Beam Size Determination in the LHC / Alves, Diogo (CERN) ; Gąsior, Marek (CERN) ; Lefèvre, Thibaut (CERN)
Due to limitations with non-invasive beam size diagnostics in the LHC, particularly during the energy ramp, there has been an interest to explore quadrupolar-based measurements for estimating the transverse beam size, and hence determining the transverse emittance. This technique is especially attractive as it is completely passive and can use the existing beam position instrumentation. [...]
2019 - 5 p. - Published in : 10.18429/JACoW-IBIC2019-TUPP034 Fulltext: PDF;
In : 8th International Beam Instrumentation Conference (IBIC 2019), Malmo, Sweden, 8 - 12 Sep 2019
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9.
Using Tune Measurement Systems Based on Diode Detectors for Quadrupolar Beam Oscillation Analysis in the Frequency Domain / Gąsior, Marek (CERN) ; Levens, Thomas (CERN)
Requirements for diagnostics of injection matching and beam space charge effects have driven studies at CERN using high sensitivity tune measurement systems based on diode detectors for the observation of quadrupolar beam oscillations in the frequency domain. This has led to an extension of such tune systems to include a channel optimised for quadrupolar oscillation measurements. [...]
2019 - 5 p. - Published in : 10.18429/JACoW-IBIC2019-WEPP035 Fulltext: PDF;
In : 8th International Beam Instrumentation Conference (IBIC 2019), Malmo, Sweden, 8 - 12 Sep 2019
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10.
MD2202: compensating long-range beam-beam effectin the LHC using DC wires / Sterbini, Guido (CERN) ; Amorim, David (Universite Grenoble-Alpes (FR)) ; Arduini, Gianluigi (CERN) ; Bartosik, Hannes (CERN) ; Bruce, Roderik (CERN) ; Buffat, Xavier (CERN) ; Carver, Lee Robert (University of Liverpool (GB)) ; Cattenoz, Gregory (CERN) ; Effinger, Ewald (CERN) ; Fartoukh, Stephane (CERN) et al.
his note summarizes the program of the LHC Machine Development to assess the potential and limits of the long-range beam-beam compensators held in 2017 (MD2202) [...]
CERN-ACC-NOTE-2019-0052. - 2019. - 52 p.
Full text
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CERN Document Server : Znaleziono 48 rekordów   1 - 10następnykoniec  skocz do rekordu:
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67 Gasior, M
8 Gasior, M.
67 Gąsior, M
48 Gąsior, Marek
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