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Ion beam transport from the source to the first orbits of a cyclotron
J.L. Belmont1

The ions produced by an external source and axially injected into the cyclotron are considered. The ion beam, with a fit structure, must be carefully placed on the orbit to be accelerated and well extracted. One has to match: its position on the first turn, its shape, its chopped time structure due to radio frequency. A compromise between different necessities must be obtained. In fact beam losses can be significant, and the ion transfer efficiency from the source to the orbit varies from a few per cent to 70% !
1 :  LPSC - Laboratoire de Physique Subatomique et de Cosmologie
Physique/Physique/Instrumentations et Détecteurs

Physique/Physique/Physique des accélérateurs
cyclotrons – axial injection
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RI_ISN_02_47_2007.pdf(701.3 KB)