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TY - CONF AU - Heilmann, M. AU - Adonin, A. AU - Barth, W.A. AU - Düllmann, Ch.E. AU - Hollinger, R. AU - Jäger, E. AU - Scharrer, P. AU - Vinzenz, W. AU - Vormann, H. ED - Petit-Jean-Genaz, Christine ED - Kim, Dong Eon ED - Kim, Kyung Sook ED - Ko, In Soo ED - Schaa, Volker RW TI - High Current Proton and Carbon Beam Operation via Stripping of a Molecular Beam at GSI UNILAC J2 - Proc. of IPAC2016, Busan, Korea, May 8-13, 2016 C1 - Busan, Korea T2 - International Particle Accelerator Conference T3 - 7 LA - english AB - The experimental program of the future facility for Antiproton and Ion Research (FAIR) project requires a high number of cooled anti-protons per hour. The FAIR proton injector linac has to deliver a 70 MeV, 35 mA pulsed proton beam at a repetition rate of 4 Hz. During recent machine investigations at the GSI a high current proton beam was achieved in the Universal Lineral Accelerator (UNILAC). In preparation for this the ion source was equipped with a newly developed 7-hole extraction system and optimized for single charged hydrocarbon beam (isobutane gas) operation. This beam was accelerated to 1.4 MeV/u and cracked in a new pulsed gas stripper into protons and charged carbon. The new stripper setup injects high density gas pulses synchronous with the transit of the beam pulse close to the beam trajectory. With this setup a proton (up to 4.3 mA) as well a carbon beam (up to 9.5 mA) intensity record at beam energy of 1.4 MeV was achieved. The proton beam was accelerated up to 3.6 MeV/u inside the first Alvarez-section with full transmission. The paper will present beam measurement in comparison to the former beam investigations using a 2 mA proton beam in the entire UNILAC. PB - JACoW CP - Geneva, Switzerland SP - 1390 EP - 1393 KW - proton KW - ion KW - linac KW - operation KW - ion-source DA - 2016/06 PY - 2016 SN - 978-3-95450-147-2 DO - 10.18429/JACoW-IPAC2016-TUPMR057 UR - http://jacow.org/ipac2016/papers/tupmr057.pdf ER -