6-DIMENSIONAL APPROACH TO THE BEAM DYNAMICS IN HIDIF SCENARIO

In the HIDIF scenario the accumulation of the required total number of heavy ions (2-3 x 10(15) per ring) is an important issue. However non linear magnetic fields can lead to emittance growth and beam losses if the tunes q(x) and g(y) satisfy usual the resonance condition, as a r esult of the space-charge tune depression. The transfer map technique is the usual approach suitable to include lattice nonlinearities in th e transverse single-particle dynamics. An extension of the transfer ma p concept to six dimension is presented. Space-charge, lattice nonline arities and longitudinal electric fields are included by a kick approx imation technique. A first application to the HIDIF scenario in a debu nching process is presented. (C) 1998 Elsevier Science B.V. All rights reserved.