Keyword: instrumentation
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MOP03 Status Overview of the HESR Beam Instrumentation pick-up, controls, impedance, vacuum 23
  • C. Böhme
    FZJ, Jülich, Germany
  • A.J. Halama, V. Kamerdzhiev, G.R. Rupsch
    GSI, Darmstadt, Germany
  The High Energy Storage Ring (HESR), within the FAIR project, will according to current planning provide anti-proton beams for PANDA and heavy ion beams for a.o. SPARC. With the beam instrumentation devices envisaged in larger quantities, e.g. BPM and BLM, testing is well underway. Other beam instrumentation instruments like Viewer are in late production stage, Scraper is being tested and for the IPM the 1st of series production has started. An overview of the status of the work package beam instrumentation will be presented as well as test bench results of already produced instruments.  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP03  
About • Received ※ 08 September 2022 — Revised ※ 09 September 2022 — Accepted ※ 13 September 2022 — Issue date ※ 28 September 2022
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MOP13 Test and Measurements Results of the Pilot Tone Front End Industrialization for Elettra 2.0 electron, electronics, Ethernet, controls 51
  • G. Brajnik, R. De Monte
    Elettra-Sincrotrone Trieste S.C.p.A., Basovizza, Italy
  • M. Cargnelutti, U. Dragonja, P. Leban, P. Paglovec, B. Repič, A. Vigali
    I-Tech, Solkan, Slovenia
  Elettra 2.0 will be the low-emittance upgrade of the present machine, a third-generation lightsource based in Trieste, Italy. The new machine, foreseen to be completed in 2025-2026, will be equipped with 168 beam position readout systems divided into 12 cells. The BPM electronics will be based on the prototypes developed by the laboratory, relying on the pilot-tone compensation technique for assuring the required resolution and long-term stability. The industrialization and production of the BPM electronics system are being carried out in partnership with Instrumentation Technologies, a company that has experience with BPM readout systems within the accelerator field. This paper will present the results of the industrialization of one of BPM system’s key component: the Pilot Tone Front End, focusing on its improvements introduced on electronic and mechanical sides, giving not only a significant performance gain with respect to the previous prototype but also improving robustness and reliability. An overview of the testing procedures that will assure the performance repeatability of the series will also be provided.  
poster icon Poster MOP13 [1.295 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP13  
About • Received ※ 30 August 2022 — Revised ※ 09 September 2022 — Accepted ※ 11 September 2022 — Issue date ※ 05 November 2022
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MOP43 Web-Based Application for Cable Simulation Models simulation, electron, network, impedance 156
  • M.C. Paniccia, S.L. Clark, D.M. Gassner, R.L. Hulsart, P. Thieberger
    BNL, Upton, New York, USA
  Attenuation in a lossy coaxial cable increases over distance and varies over frequency. Having a model of these variations can help predict the expected loss and distortion of a signal. This paper discusses a free web-based application developed to provide accurate SPICE models for various coaxial cable types. The user can specify a length and select between different cable types, or upload their own cable attenuation curve, and receive a SPICE model for that cable. These simulation models have been used to assist the design and development of new instrumentation systems for the future Electron Ion Collider (EIC).  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-MOP43  
About • Received ※ 06 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 13 September 2022 — Issue date ※ 22 November 2022
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TU2C2 The Diamond Beam Loss Monitoring System at CERN LHC and SPS detector, injection, extraction, kicker 202
  • E. Calvo Giraldo, E. Effinger, M. Gonzalez Berges, J. Martínez Samblas, S. Morales Vigo, B. Salvachúa, C. Zamantzas
    CERN, Meyrin, Switzerland
  • J. Kral
    CTUP/FNSPE, Prague, Czech Republic
  The Large Hadron Collider (LHC) and the Super Proton Synchrotron (SPS) accelerators are equipped with 17 pCVD diamond based Beam Loss detectors at strategical locations where their nanosecond resolution can provide insights into the loss mechanisms and complement the information of the standard ionization chamber type detectors. They are used at the injection and extraction lines of the LHC and SPS, to analyse the injection or extraction efficiency, and to verify the timing alignment of other elements like kicker magnets. They are used at the betatron collimation region and are being also explored as detectors to analyse slow extractions. The acquisition chain was fully renovated during the second LHC long shutdown period (from December 2018 to July 2022) to provide higher resolution measurements, real-time data processing and data reduction at the source as well as to integrate seamlessly to the controls infrastructure. This paper presents the new hardware platform, the different acquisition modes implemented, the system capabilities and initial results obtained during the commissioning and operation at the beginning of the LHC’s Run 3.  
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slides icon Slides TU2C2 [4.414 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-TU2C2  
About • Received ※ 06 September 2022 — Revised ※ 09 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 14 September 2022
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TUP36 Beam Characterization of Slow Extraction Measurement at GSI-SIS18 for Transverse Emittance Exchange Experiments emittance, extraction, simulation, data-acquisition 318
  • J. Yang, P. Boutachkov, P. Forck, T. Milosic, R. Singh, S. Sorge
    GSI, Darmstadt, Germany
  Funding: This project has received funding from the European Union’s Horizon 2020 Research and Innovation programme under GA No 101004730.
The quality of slowly, typically several seconds, extracted beams from the GSI synchrotron SIS18 is characterized with respect to the temporal beam stability, the so-called spillμstructure on the 100 µs scale. A pilot experiment was performed utilizing transverse emittance exchange to reduce the beam size in the extraction plane, and the improvement of spillμstructure was found. Important beam instrumentation comprises an Ionization Profile Monitor for beam profile measurement inside the synchrotron and a plastic scintillator at the external transfer line for ion counting with up to several 106 particles per second and 20 µs time slices. The performant data acquisition systems, including a scaler and a fast Time-to-Digital Converter (TDC), allow for determining the spill quality. The application of the TDC in the measurement and related MAD-X simulations are discussed.
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-TUP36  
About • Received ※ 08 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 11 September 2022 — Issue date ※ 11 October 2022
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WEP23 Assessing the Performance of the New Beam Wire Scanners for the CERN LHC Injectors MMI, high-voltage, controls, emittance 443
  • S. Di Carlo, W. Andreazza, D. Belohrad, J. Emery, J.C. Esteban Felipe, A. Goldblatt, D. Gudkov, A. Guerrero, S. Jackson, G.O. Lacarrere, M. Martin Nieto, A.T. Rinaldi, F. Roncarolo, C. Schillinger, R. Veness
    CERN, Meyrin, Switzerland
  The ability of reliably measuring the transverse beam profile in its injectors is essential for the operation of the LHC. This report aims to assess the reliability, stability, and reproducibility of the new generation of beam wire scanners developed at CERN in the framework of the LHC Injectors Upgrade (LIU). The study includes data from the over 60000 scans performed in 2021 and 2022, with a special focus on reproducibility, investigation of optimal operational settings to ensure a large dynamic range, and evaluation of absolute accuracy through comparison with other instruments present in the injectors.  
poster icon Poster WEP23 [1.590 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-WEP23  
About • Received ※ 06 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 11 September 2022 — Issue date ※ 10 December 2022
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WEP40 A Modern Ethernet Data Acquisition Architecture for Fermilab Beam Instrumentation Ethernet, software, network, data-acquisition 500
  • R.R. Santucci, J.S. Diamond, N. Eddy, A. Semenov, D.C. Voy
    Fermilab, Batavia, Illinois, USA
  The Fermilab Accelerator Division, Instrumentation Department is adopting an open-source framework to replace our embedded VME-based data acquisition systems. Utilizing an iterative methodology, we first moved to embedded Linux, removing the need for VxWorks. Next, we adopted Ethernet on each data acquisition module eliminating the need for the VME backplane in addition to communicating with a rack mount server. Development of DDCP (Distributed Data Communications Protocol), allowed for an abstraction between the firmware and software layers. Each data acquisition module was adapted to read out using 1GbE and aggregated at a switch which up linked to a 10GbE network. Current development includes scaling the system to aggregate more modules, to increase bandwidth to support multiple systems and to adopt MicroTCA as a crate technology. The architecture was utilized on various beamlines around the Fermilab complex including PIP2IT, FAST/IOTA and the Muon Delivery Ring. In summary, we were able to develop a data acquisition framework which incrementally replaces VxWorks & VME hardware as well as increases our total bandwidth to 10Gbit/s using off the shelf Ethernet technology.  
poster icon Poster WEP40 [0.738 MB]  
DOI • reference for this paper ※ doi:10.18429/JACoW-IBIC2022-WEP40  
About • Received ※ 08 September 2022 — Revised ※ 10 September 2022 — Accepted ※ 12 September 2022 — Issue date ※ 04 October 2022
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