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Chorniy, O.

Paper Title Page
THO2B04 Long Term Simulations of the Space Charge and Beam Loss in the SIS18 615
 
  • G. Franchetti, W.B. Bayer, F. Becker, O. Chorniy, P. Forck, T. Giacomini, I. Hofmann, M.M. Kirk, T.S. Mohite, C. Omet, A.S. Parfenova, P. Schütt
    GSI, Darmstadt
 
 

In this contribution we present the simulations of the experiment made in the SIS18 synchrotron on the effect of the space charge in a bunched beam stored for one second. To the simulations a discussion of the underlying dominant effect (trapping or scattering?) is included. A discussion on the consequences of this beam dynamic regime on the SIS100 is presented, open issues and future (experimental and numerical) studies are outlined.

 

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THO1D03 Fast Compression of Intense Heavy-Ion Bunches in SIS-18 686
 
  • O. Chorniy, O. Boine-Frankenheim, P. Hülsmann, P.J. Spiller
    GSI, Darmstadt
 
 

At GSI and for the FAIR project short heavy-ion bunches are required for the production and storage of exotic fragment beams as well as for plasma physics applications. In the SIS-18 and in the projected SIS-100 synchrotron longitudinal compression via fast bunch rotation is performed directly before extraction. In order to arrive at the required bunch length the rf cycle has to be optimized for high intensities to avoid the blowup of the occupied longitudinal phase space area. We will discuss experimental and simulation results of the rf capture at injection energy, the rebunching process at the final energy and the subsequent bunch rotation.

 

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Slides