Author: Gallo, G.
Paper Title Page
WEPWA010 A High Intensity Proton Source for the European Spallation Source Facility 2509
 
  • L. Celona, L. Allegra, L. Andò, A.C. Caruso, G. Castro, F. Chines, G. Gallo, S. Gammino, A. Longhitano, S. Marletta, D. Mascali, L. Neri, S. Passarello, G. Torrisi
    INFN/LNS, Catania, Italy
  • A. Longhitano
    ALTEK, San Gregorio (CATANIA), Italy
  • G. Torrisi
    Universitá Mediterranea di Reggio Calabria, Reggio Calabria, Italy
 
  Along the last twentyfive years, INFN-LNS has gained a relevant role in R&D of plasma-based ion sources. The laboratory is currently involved in the Proton Source and Low Energy Beam Transport (LEBT) line prototype construction for the European Spallation Source. ESS – based on a 2.0 GeV, 62.5 mA proton accelerator for neutron production – will be a fundamental instrument for research and application. The proton source is required to produce at least 90 mA beam (as total drain current) at 0.25 π.mm.mrad emittance, 2.86 ms pulse duration, 14 Hz repetition rate. We will illustrate the advanced design of the machine, including the innovations in plasma heating schemes, the final layout of the LEBT – based on detailed beam transport studies, a new vacuum scheme and the final chopper strategy – and the first steps of the devices installation at the INFN-LNS test-bench site.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPWA010  
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WEPWA013 A Transport Beamline Solution for Laser-Driven Proton Beams 2515
 
  • A. Tramontana, G. Candiano, G.A.P. Cirrone, M. Costa, G. Cuttone, G. Gallo, R. Leanza, R. Manna, V. Marchese, G. Milluzzo, G. Petringa, D. Rizzo, F. Romano, S. Salamone, F. Schillaci, V. Scuderi
    INFN/LNS, Catania, Italy
  • M. Maggiore
    INFN/LNL, Legnaro (PD), Italy
  • V. Scuderi
    ELI-BEAMS, Prague, Czech Republic
 
  Laser-target interaction represents a very promising field in several potential applications, from nuclear physics to medicine. On the other hand optically accelerated particle beams are characterized by some extreme features, often not suitable for several applications, as an high peak current, a poor shot-to-shot reproducibility and a wide energy and angular distribution. Therefore many efforts are currently ongoing for the development of specific beam transport devices in order to obtain controlled and reproducible output beams. In this framework, this work want to report about a transport beamline solution dedicated to laser-driven beams and made of two main sections: a quadrupole-focusing device and an energy selector system. A test beam-line consisting of prototypes has been realised at INFN-LNS (National Institute of Physics-South National Laboratories, Ct, I) and partially tested with conventional accelerated proton beams. Moreover, some of these prototypes have been already tested with laser-driven beams.\ Several simulations have been also performed using the Geant4 Monte Carlo toolkit, in order to best exploit the beamline potentiality. Preliminary simulations of a transported beamline to select 5 MeV and 24 MeV proton beams are here reported.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-WEPWA013  
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