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| TUPC013 |
A Compact and Versatile Diagnostic Tool for CNAO Injection Line
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1071 |
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- J. Bosser, G. Balbinot, S. Bini, M. Caldara, V. Chimenti, L. Lanzavecchia, A. Parravicini
CNAO Foundation, Milan
- A. Clozza, V. Lollo
INFN/LNF, Frascati (Roma)
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CNAO, the first Italian center for deep hadrontherapy, is presently in its final step of construction. It will provide treatments with active scanning both with proton and carbon ion beams. Commissioning of the injection lines will be started by the time of the presentation of this report. CNAO beams are generated by two ECR sources, which are both able to produce both particle species. The beam energy in the Low Energy Beam Transfer (LEBT) line is 8 keV/u. A compact and versatile tank has been designed that contains a complete set of diagnostic tools. It is only 390mm long; it houses two horizontal and two vertical plates to suppress beam halo, measure emittance and eventually to limit beam size. It also comprises two wire scanners, for vertical and horizontal beam transverse profile, as well as a Faraday Cup for current measurement. Synchronous profile and intensity measurements and phase space distribution reconstruction can be performed with one tank monitors. Five identical tanks are installed in the LEBT, as consequence of a standardization strategy to facilitate monitoring and make maintenance easier. Expected performances and preliminary beam measurements are presented.
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