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A comparison of ray-tracing software for the design of quadrupole microbeam systems

Abstract : For many years the only ray-tracing software available with sufficient precision for the design of quadrupole microbeam focusing systems has been OXRAY and its successor TRAX, developed at Oxford in the 1980s. With the current interest in pushing the beam diameter into the nanometre region, this software has become dated and more importantly the precision at small displacements may not be sufficient and new simulation tools are required. Two candidates for this are Zgoubi, developed at CEA as a general beam line design tool and the CERN simulation program Geant in its latest version Geant4. In order to use Geant4 new quadrupole field modules have been developed and implemented. In this paper the capabilities of the three codes TRAX, Zgoubi and Geant4 are reviewed. Comparisons of ray-tracing calculations in a high demagnification quadrupole probe-forming system for the sub-micron region are presented.
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http://hal.in2p3.fr/in2p3-00024125
Contributor : Dominique Girod Connect in order to contact the contributor
Submitted on : Wednesday, May 11, 2005 - 3:11:20 PM
Last modification on : Tuesday, May 19, 2020 - 9:14:11 AM

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S. Incerti, R.W. Smith, M. Merchant, G.W. Grime, F. Méot, et al.. A comparison of ray-tracing software for the design of quadrupole microbeam systems. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2005, 231, pp.76-85. ⟨10.1016/j.nimb.2005.01.038⟩. ⟨in2p3-00024125⟩

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