High intensity heavy ion beam emittance measurements at the GSI UNILAC

被引:0
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作者
Bayer, W. [1 ]
Barth, W. [1 ]
Dahl, L. [1 ]
Forck, P. [1 ]
Gerhard, P. [1 ]
Groening, L. [1 ]
Hofmann, I. [1 ]
Yaramyshev, S. [1 ]
Jeon, D. [2 ]
机构
[1] GSI Darmstadt, D-64291 Darmstadt, Germany
[2] Oak Ridge Natl Lab, Oak Ridge, TN 37830 USA
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中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The GSI UNILAC, a heavy ion linac originally dedicated for low cut-rent beam operation, together with the synchrotron SIS 18 will serve as a high current injector for FAIR (International Facility for Antiproton and Ion Research). The UNILAC post stripper accelerator consists of five Alvarez tanks with a final energy of 11.4 MeV/u. In order to meet the requirements of FAIR (15emA U-238(28+) transverse normalised emittances of 0.8 in mrad and 2.5 mm mrad an UNILAC upgrade pro gram is foreseen to increase the primary beam intensity as well as the beam brilliance. A detailed Understanding of the beam dynamics during acceleration and the transport of space charge dominated beams is necessary, For this purpose the beam brilliance dependency oil the phase advances in the Alvarez DTL was Studied. Machine investigations were performed with various beam diagnostics devices established in the UNILAC. Measurements done in 2006 using a high intensity heavy ion beam coincide with the beam dynamics work package of the European JRA "High Intensity Pulsed Proton Injector" (HIPPI). Results of these measurements are presented as well as corresponding beam dynamics simulations.
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页码:2634 / +
页数:2
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