Author: Iriso, U.
Paper Title Page
MOPB02 ARIES-ADA: An R&D Network for Advanced Diagnostics at Accelerators 71
 
  • P. Forck, M. Sapinski
    GSI, Darmstadt, Germany
  • C. Gerth, K. Wittenburg
    DESY, Hamburg, Germany
  • U. Iriso, F. Pérez
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • R. Ischebeck
    PSI, Villigen PSI, Switzerland
  • O.R. Jones
    CERN, Geneva, Switzerland
 
  Funding: This project has received funding from the European Union's Horizon 2020 Research and Innovation programme under Grant Agreement No 730871.
Accelerator Research and Innovation for European Science and Society, ARIES, is an initiative funded by the European Union (https://aries.web.cern.ch/). The activity comprises three major categories: Joint Research Activities; Transnational Access; Network Activities. One of these networks is related to Advanced Diagnostics at Accelerators (ADA) with the task of strengthening collaborations between international laboratories for coordinated research and development in beam diagnostics (https://aries.web.cern.ch/content/wp8). This task is performed by organizing topical workshops on actual developments and supporting interchange of experts between different labs. Since the start of the project in May 2017 four topical workshops of two to three days duration have been organized, each with 30-40 participants ranging from novices to worldwide experts in their particular field. In this contribution these initial workshops are summarized and an outlook given for further workshops within this ARIES-ADA network.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-MOPB02  
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WEOC01
Summary of Emmittance Measurements Workshop for SLS and FELs  
 
  • U. Iriso
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • F. Ewald
    ESRF, Grenoble, France
  • G. Kube, K. Wittenburg
    DESY, Hamburg, Germany
  • T.M. Mitsuhashi
    KEK, Ibaraki, Japan
  • V. Schlott
    PSI, Villigen PSI, Switzerland
 
  Funding: This project has received funding from the EU Horizon 2020 Research and Innovation programme, under Grant Agreement No 730871.
In January 2018, a Topical Workshop on Emittance Measurements for Synchrotron Light Sources and FELs was held at ALBA inside the ARIES network. This talk will summarize the state of the art of the different emittance measurements techniques for these type of accelerators, and will present the relevant topics shown during the workshop.
 
slides icon Slides WEOC01 [4.723 MB]  
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THOA03 Progress on Transverse Beam Profile Measurement Using the Heterodyne Near Field Speckles Method at ALBA 538
 
  • S. Mazzoni, F. Roncarolo, G. Trad
    CERN, Geneva, Switzerland
  • U. Iriso, C. Kamma-Lorger, A.A. Nosych
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
  • M.A.C. Potenza
    Universita' degli Studi di Milano & INFN, Milano, Italy
  • M. Siano
    Università degli Studi di Milano, Milano, Italy
 
  We present the recent developments of a study aiming at measuring the transverse beam profile using the Heterodyne Near Field Speckles (HNFS) method. The HNFS technique consists of a suspension of nanoparticles suspended in a liquid and illuminated by synchrotron radiation (either in the visible or in X-ray wavelength range). The transverse coherence of the source, and therefore, under the conditions of validity of the Van Cittert and Zernike theorem, the transverse electron beam size is retrieved from the interference between the transmitted beam and the spherical waves scattered by each nanoparticle. We here describe the fundamentals of this technique, as well as the recent experimental results obtained with 12 keV radiation at the NCD beamline at ALBA. The applicability of such technique for future accelerators (e.g. CLIC or FCC) is also discussed.  
slides icon Slides THOA03 [2.414 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-THOA03  
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THOB02 Energy Loss Measurements with Streak Camera at ALBA 548
 
  • A.A. Nosych, B. Bravo, U. Iriso
    ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
 
  Analyzing streak camera images of the beam injected into a Storage Ring with no RF voltage allows calculating several parameters, like the energy loss per turn and the energy mismatch between injected and stored beams. These measurements are based on the analysis of the centroid drift path of a bunch as it spirals inwards, changing its rotation period. This drift is clear and measurable in single and multi-bunch modes in several horizontal sweep speeds of the streak. With this technique we also measure the momentum compaction factor and observe its change with respect to the insertion devices' open/closed states. The obtained values are comparable with theoretical expectations, as well as with values measured by other means.  
slides icon Slides THOB02 [3.030 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-THOB02  
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