Author: Sgobba, S.
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WEPMF084 Design, Prototyping Activities and Beam Irradiation Test for the New nTOF Neutron Spallation Target 2582
 
  • R. Esposito, M. Bergeret, J. Busom, M.E.J. Butcher, M. Calviani, R. Cimmino, T. Coiffet, J.P.C. Espadanal, L. Gentini, R. Illan Fiastre, V. Maire, F. Ogallar Ruiz, A. Perillo-Marcone, S. Sgobba, M.A. Timmins, C. Torregrosa, E. Urrutia, V. Vlachoudis
    CERN, Geneva, Switzerland
  • R. Logé
    EPFL, Lausanne, Switzerland
  
  A third-generation neutron spallation target for the neutron time-of-flight facility at CERN (nTOF) is currently undergoing the design and prototyping stage. The new design aims at improving reliability, increasing beam intensity on target and avoiding issues encountered in the current generation target, in particular the contamination of the cooling system water with radioactive spallation products coming from washing out lead. After a preliminary design and an initial prototyping stage*, a baseline solution has been defined consisting in a pure lead target core contained in a Ti-6Al-4V cladding and embedded in a massive Pb block. A backup solution has also been defined, consisting in a Ta-cladded W core embedded in a Pb block. Both solutions are currently undergoing the detailed design stage. This contribution details the prototyping activity, the robustness studies for accidental scenarios and the design of a beam irradiation test on prototypes of the target core.
R. Esposito et al., "Design of the new CERN nTOF neutron spallation target: R&D and prototyping activities," in Proc. of IPAC'17, Copenhagen, May 2017. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPMF084  
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WEPMG004 Design of the Future High Energy Beam Dump for the CERN SPS 2612
 
  • S. Pianese, J.A. Briz Monago, M. Calviani, D. Grenier, P.B. Heckmann, J. Humbert, R. Illan Fiastre, A. Perillo-Marcone, G. Romagnoli, S. Sgobba, D. Steyart, V. Vlachoudis
    CERN, Geneva, Switzerland
  
  The future CERN Super Proton Synchrotron (SPS) internal dump (Target Internal Dump Vertical Graphite, known as TIDVG#5), to be installed during CERN's Long Shutdown 2 (2019-2020), will be required to intercept beam dumps from 26 to 450 GeV, with increased intensity and repetition rates with respect to its predecessor (TIDVG#4). The beam power to be managed by the dump will increase by approximately a factor of four; resulting in new challenges in terms of design in order to fulfil the highly demanding specification, which is based on guaranteeing a good performance of the machine with little or no limitations imposed by this device. This paper presents the proposed design, including material selection, manufacturing techniques and thermo-mechanical simulations under different operational scenarios expected during the lifetime of the device.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2018-WEPMG004  
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