Author: Bertucci, M.
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MOPB077 Vertical Tests of XFEL 3rd Harmonic Cavities 306
 
  • D. Sertore, M. Bertucci, A. Bosotti, J.F. Chen, C.G. Maiano, P. Michelato, L. Monaco, M. Moretti, R. Paparella, P. Pierini
    INFN/LASA, Segrate (MI), Italy
  • A. Matheisen, M. Schmökel
    DESY, Hamburg, Germany
  • C. Pagani
    Università degli Studi di Milano & INFN, Segrate, Italy
 
  The 10 cavities of the EXFEL 3rd Harmonic Cryomodule have been tested and qualified, before integration in the He-tank, in our upgraded Vertical Test stand. In this paper, we report the measured RF performance of these cavities together with the main features of the test facility.  
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TUPB018 Preparation of the 3.9 GHz System for the European XFEL Injector Commissioning 584
 
  • P. Pierini, M. Bertucci, M. Bonezzi, A. Bosotti, J.F. Chen, M. Chiodini, P. Michelato, L. Monaco, M. Moretti, R. Paparella, D. Sertore
    INFN/LASA, Segrate (MI), Italy
  • C. Albrecht, N. Baboi, S. Barbanotti, J. Branlard, Th. Buettner, Ł. Butkowski, T. Delfs, H. Hintz, F. Hoffmann, M. Hüning, K. Jensch, R. Jonas, R. Klos, D. Kostin, L. Lilje, C.G. Maiano, W. Maschmann, A. Matheisen, U. Mavrič, W.-D. Möller, C. Müller, P. Pierini, J. Prenting, J. Rothenburg, O. Sawlanski, M. Schlösser, M. Schmökel, A.A. Sulimov, E. Vogel
    DESY, Hamburg, Germany
  • E.R. Harms
    Fermilab, Batavia, Illinois, USA
  • C.R. Montiel
    ANL, Argonne, Illinois, USA
  • C. Pagani
    Università degli Studi di Milano & INFN, Segrate, Italy
 
  The 3.9 GHz cryomodule and RF system for the XFEL Injector is being assembled and delivered to the underground building in summer 2015, for the injector commissioning in Fall 2015. This contribution outlines the status of the activity and reports the preparation stages of the technical commissioning of the system.  
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TUPB087 Development of an X-Ray Fluorescence Probe for Inner Cavity Inspection 799
 
  • M. Bertucci, P. Michelato, L. Monaco, M. Moretti, C. Pagani
    INFN/LASA, Segrate (MI), Italy
  • A. Navitski
    DESY, Hamburg, Germany
 
  The development of an x-ray fluorescence probe for detection of foreign material inclusions of the inner surface of 1.3 GHz tesla-type Niobium cavities is here presented. The setup dimensions are minimized so to access the inner cavity volume and focus on the surface of equator. Preliminary tests confirmed the system capability to detect and localize with good precision small metal inclusions of few micrograms. The results obtained from the inspection of some 1.3 GHz XFEL series production cavities are also pointed out.  
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THPB010 INFN Milano - LASA Activities for ESS 1081
 
  • P. Michelato, M. Bertucci, A. Bignami, A. Bosotti, J.F. Chen, L. Monaco, M. Moretti, R. Paparella, P. Pierini, D. Sertore
    INFN/LASA, Segrate (MI), Italy
  • C. Pagani
    Università degli Studi di Milano & INFN, Segrate, Italy
  • H.J. Zheng
    IHEP, Beijing, People's Republic of China
 
  INFN Milano – LASA is involved in the development and industrialization for the production of 704.4 MHz medium beta (β = 0.67) cavities for the ESS project. In this framework, we are designing a medium beta prototype cavity exploring both Large Grain and Fine Grain Niobium for its production as well as a high beta (β = 0.86) Large Grain cavity. In the meanwhile, an activity is ongoing for upgrading the LASA test facility to be able to test these kind of resonators.  
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THPB035 Fabrication of the 3.9 GHz SRF Structures for the European XFEL 1162
 
  • P. Pierini, M. Bertucci, A. Bosotti, J.F. Chen, P. Michelato, L. Monaco, M. Moretti, R. Paparella, D. Sertore
    INFN/LASA, Segrate (MI), Italy
  • A. Gresele
    Ettore Zanon S.p.A., Nuclear Division, Schio, Italy
  • C.G. Maiano, P. Pierini, E. Vogel
    DESY, Hamburg, Germany
  • C. Pagani
    Università degli Studi di Milano & INFN, Segrate, Italy
  • M. Rizzi
    Ettore Zanon S.p.A., Schio, Italy
 
  One batch of 10 cavities has been completed and eight structures have been installed in the 3.9 GHz cryomodule for the European XFEL Injector operation. A second batch of 10 RF structures for a spare injector module is under fabrication. The fabrication has been performed according to the European Pressure Vessel regulations, as needed for the EXFEL operation. This paper describes the fabrication, quality control/assurance procedures and frequency preparation steps in order to achieve cavities at the correct frequency and length within the specifications.  
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