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Castelli, F.

Paper Title Page
TUPMN039 Status of the SPARC-X Project 1001
 
  • C. Vaccarezza, D. Alesini, M. Bellaveglia, S. Bertolucci, R. Boni, M. Boscolo, M. Castellano, A. Clozza, L. Cultrera, G. Di Pirro, A. Drago, A. Esposito, M. Ferrario, L. Ficcadenti, D. Filippetto, V. Fusco, A. Gallo, G. Gatti, A. Ghigo, C. Ligi, M. Migliorati, A. Mostacci, E. Pace, L. Palumbo, L. Pellegrino, M. A. Preger, R. Ricci, C. Sanelli, M. Serio, F. Sgamma, B. Spataro, A. Stella, F. Tazzioli, M. Vescovi, C. Vicario
    INFN/LNF, Frascati (Roma)
  • F. Alessandria, A. Bacci, R. Bonifacio, I. Boscolo, F. Broggi, F. Castelli, S. Cialdi, C. De Martinis, A. F. Flacco, D. Giove, C. Maroli, V. Petrillo, A. R. Rossi, L. Serafini
    INFN-Milano, Milano
  • M. Bougeard, P. Breger, B. Carre, D. Garzella, M. Labat, G. Lambert, H. Merdji, P. Monchicourt, P. Salieres, O. Tcherbakoff
    CEA, Gif-sur-Yvette
  • L. Catani, E. Chiadroni, A. Cianchi, E. Gabrielli, C. Schaerf
    INFN-Roma II, Roma
  • F. Ciocci, G. Dattoli, A. Dipace, A. Doria, F. Flora, G. P. Gallerano, L. Giannessi, E. Giovenale, G. Messina, P. L. Ottaviani, S. Pagnutti, G. Parisi, L. Picardi, M. Quattromini, A. Renieri, G. Ronci, C. Ronsivalle, M. Rosetti, E. Sabia, M. Sassi, A. Torre, A. Zucchini
    ENEA C. R. Frascati, Frascati (Roma)
  • M.-E. Couprie
    SOLEIL, Gif-sur-Yvette
  • P. Emma
    SLAC, Menlo Park, California
  • M. Mattioli, D. Pelliccia
    Universita di Roma I La Sapienza, Roma
  • P. Musumeci, M. Petrarca
    INFN-Roma, Roma
  • C. Pellegrini, S. Reiche, J. B. Rosenzweig
    UCLA, Los Angeles, California
  • A. Perrone
    INFN-Lecce, Lecce
 
  SPARC-X is a two branch project consisting in the SPARC test facility dedicated to the development and test of critical subsystems such as high brightness photoinjector and a modular expandable undulator for SASE-FEL experiments at 500 nm with seeding, and the SPARX facility aiming at generation of high brightness coherent radiation in the 3-13 nm range, based on the achieved expertise. The projects are supported by MIUR (Research Department of Italian Government) and Regione Lazio. SPARC has completed the commissioning phase of the photoinjector in November 2006. The achieved experimental results are here summarized together with the status of the second phase commissioning plans. The SPARX project is based on the generation of ultrahigh peak brightness electron beams at the energy of 1 and 2 GeV generating radiation in the 3-13 nm range. The construction is at the moment planned in two steps starting with a 1 GeV Linac. The project layout including both RF-compression and magnetic chicane techniques has been studied and compared, together with the feasibility of a mixed s-band and x-band linac option.  
TUPMN035 Generation of a Multipulse Comb Beam and a Relative Twin Pulse FEL 989
 
  • M. Boscolo, M. Ferrario, C. Vaccarezza
    INFN/LNF, Frascati (Roma)
  • I. Boscolo, S. Cialdi, V. Petrillo
    INFN-Milano, Milano
  • F. Castelli
    Universita degli Studi di Milano, Milano
 
  A radiofrequency electron gun joined to a compressor generates trains of THz subpicosecond electron pulses. Assuming a prompt electron emission, the laser train generates a train of electron disks at the cathode, then the disk train evolves towards a slug with a slight density modulation but also with a peculiar sawtooth energy modulation. This kind of energy modulation is transformed into a density modulation by a velocity bunching compressor recovering at a good extent the initial intensity beam profile. We study here through simulations the process looking to its characteristics as function peak and frequency characteristics of the laser and the parameters of the accelerator.