WEPM6X01
GSI, Darmstadt, Germany
TEMF, TU Darmstadt, Darmstadt, Germany
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WEPM6X01 |
Beam Halo Collimation Over Wide Range Charge-to-Mass Ratio | |
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| We present a study of the halo collimation of ion beams from proton up to uranium in the projected FAIR heavy ion synchrotron SIS100. The design concepts are separated into fully stripped and partially stripped ion collimation. An application of the two stage betatron collimation system is intended for fully stripped ions and protons. Interaction of the particles with the primary collimator material was simulated using FLUKA. Particle tracking simulations and beam loss maps were obtained using MAD-X. The concept for the collimation of partially stripped ions is based on a stripping foil in order to change their charge state. These ions are subsequently deflected towards collimators using a quadrupole magnetic field. The charge state distribution of the stripped ions was calculated using GLOBAL. The particle tracking simulations downstream of the foil were performed using MAD-X. Inelastic nuclear interaction and consequently hadronic fragmentation and electromagnetic dissociation of heavy ions were simulated using FLUKA. The fragments with a significant abundance were tracked through the accelerator lattice and their contribution to the overall beam loss distribution was estimated. | ||
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Slides WEPM6X01 [1.276 MB] | |