Production of metallic stable ion beams for GANIL and SPIRAL2Report as inadecuate

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1 GANIL - Grand Accélérateur National d-Ions Lourds 2 IPNL - Institut de Physique Nucléaire de Lyon 3 LPSC - Laboratoire de Physique Subatomique et de Cosmologie 4 IPHC - Institut Pluridisciplinaire Hubert Curien 5 IPHC - Institut Pluridisciplinaire Hubert Curien

Abstract : GANIL has been producing many stable beams fornearly 30 years. Constant progress has been made interms of intensity, stability and reliability. The intensityfor some stable metallic beams now exceeds orapproaches the pμA level at an energy up to 95 MeV-u:1.14 pμA for 36S 65% enriched at 77 MeV-u, 0.35 pμAfor 58Ni 63% at 74 MeV-u. The presentation highlightsrecent results obtained with 50Ti using the MIVOCMetallic Ions from Volatile Compounds methods on theECR4 ion source. The Titanium beam was producedusing the organo-metallic compound Titanocene :Cp*TiMe3. The synthesis of this metallocene compoundhas been successfully performed by the IPHC-Strasbourgfrom isotopically enriched 50Ti metal. Two tests havebeen done with the natural Titanocene 48Ti to validatethe new compound, and to qualify the intensity and beamstability. The good results obtained led us to program thePhysics experiment in 2013, September and we haveproduced a very stable 50Ti10+ beam at an intensity of20μA for 300 hours. The Spiral 2 facility, currently ofinstallation, will provide gaseous and metallic stable ionbeams. The ion source choice for the commissioning ofthe stable beams Q-A=1-3 is the ECRIS PHOENIX V2.This ECRIS has been designed by LPSC Grenoble andseveral tests of stable metallic beams have been realizedin this laboratory. The results for Nickel 58Ni19+ andcalcium 40Ca16+ are given.

Author: F. Lemagnen - C. Barué - C. Canet - M. Dupuis - J.L. Flambard - L. Maunoury - B. Osmond - J. Piot - P. Jardin - R. Frigot - C. P



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