Status report on the beam dynamics developments for the SPIRAL 2 projectReport as inadecuate

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1 GANIL - Grand Accélérateur National d-Ions Lourds 2 LPSC - Laboratoire de Physique Subatomique et de Cosmologie 3 IPNO - Institut de Physique Nucléaire d-Orsay

Abstract : The driver for the SPIRAL 2 project aims to accelerate a 5 mA D+ beam up to 20 A.MeV and a 1 mA beam for Q-A=1-3 up to 14.5 A.MeV. It operates in a continuous wave regime cw, is designed for a maximum efficiency in the transmission of intense beams. Recent studies have led to change the reference design. The current design consists in an injector ECR sources + LEBTs with the possibility to inject from several sources + a Radio Frequency Quadrupole followed by a superconducting section based on an array of independently phased cavities where the transverse focalisation is performed by warm quadrupoles. This paper presents the beam dynamics studies associated to these new choices, the HEBT design and the fast chopping in the MEBT.

Author: R. Duperrier D. Uriot N. Pichoff P. Bertrand - F. Varenne - J.M. De Conto - E. Froidefond - J.L. Biarrotte -



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