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A prototype of ion beam transport module has been developed at the InstitutPluridisciplinaire Hubert Curien (IPHC) and used as a test bed to investigatekey issues related to the efficient transport of ion beams. This includes thereduction of the beam losses, the increase of the acceptance, and thedefinition of the instrumentation necessary to evaluate the performances. Anexperiment was performed on a full-scale beam line and following a standardbeam analysis, steering, and focusing procedure. After a review of thedevelopments carried out for some demanding facilities and for the design ofthe quadrupoles implemented in the transport module, the paper highlights thechallenge of measuring the preservation of transverse phase-space distributionswith large acceptance conditions, i.e. with the highest ratio of beam fillingto quadrupole aperture. Then, the tolerance to the errors and mitigation of therisks are discussed, in particular by considering the electric stability of thetransport module, beam trips, behavior of the tail and the halo, andmisalignment errors.

Challenges in low losses and large acceptance ion beam transport