TY  - JOUR
AU  - Degiovanni, A.
AU  - Amaldi, U.
AU  - Bonomi, R.
AU  - Garlasche, M.
AU  - Garonna, A.
AU  - Verdu-Andres, S.
AU  - Wegner, R.
PY  - 2011
DA  - 2011//
TI  - TERA high gradient test program of RF cavities for medical linear accelerators
T2  - Nucl. Instrum. Methods Phys. Res. A
JO  - Nuclear Instruments & Methods in Physics Research A
SP  - 55
EP  - 58
VL  - 657
IS  - 1
PB  - Elsevier Science Bv
KW  - Medical accelerators
KW  - Hadrontherapy
KW  - Cyclinac
KW  - Linac
KW  - RF cavity
KW  - Breakdown Rate
AB  - The scientific community and the medical industries are putting a considerable effort into the design of compact, reliable and cheap accelerators for hadrontherapy. Up to now only circular accelerators are used to deliver beams with energies suitable for the treatment of deep seated tumors. The TERA Foundation has proposed and designed a hadrontherapy facility based on the cyclinac concept: a high gradient linear accelerator placed downstream of a cyclotron used as an injector. The overall length of the linac, and therefore its final cost, is almost inversely proportional to the average accelerating gradient achieved in the linac. TERA, in collaboration with the CLIC RF group, has started a high gradient test program. The main goal is to study the high gradient behavior of prototype cavities and to determine the appropriate linac operating frequency considering important issues such as machine reliability and availability of distributed power sources. A preliminary test of a 3 GHz cavity has been carried out at the beginning of 2010, giving encouraging results. Further investigations are planned before the end of 2011. A set of 5.7 GHz cavities is under production and will be tested in a near future. The construction and test of a multi-cell structure is also foreseen.
SN  - 0168-9002
UR  - https://doi.org/10.1016/j.nima.2011.05.014
DO  - 10.1016/j.nima.2011.05.014
LA  - English
N1  - WOS:000297085800010
ID  - Degiovanni_etal2011
ER  -