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Plouin J.

PaperTitlePage
TUP81Stiffened Medium Beta 704 MHZ Elliptical Cavity for a Pulsed Proton Linac347
 
  • P. Bosland, S. Chel, G. Devanz, Y. Gasser, P. Hardy, J. Plouin, J. -P. Poupeau, D. Roudier, B. Visentin
    CEA-Saclay
 
 Recent developments on high duty cycle high intensity proton linac have used, in the high energy part, the superconducting technology because it is considered to be advantageous in terms of power consumption, construction cost and beam loss. In the framework of the European CARE/HIPPI program, we investigate different options to use the same superconducting technology even in the low energy part of the linac (from 5 MeV to 200 MeV). Different kind of superconducting structures (CH structures, spoke or elliptical cavities) are necessary to cover this whole energy range. Since the higher energy part will be equipped with elliptical cavities, we propose a 704 MHz elliptical cavity which could be advantageously used in the range 80 MeV up to 200 MeV. An optimized design of this cavity for running in pulsed mode is presented. The sensitivity of the cavity to pulsed RF is investigated to assess the efficiency of the stiffening scheme.