Mickat, S. Du, X. Gerhard, P. Groening, L. Heilmann, M. Kaiser, M. Rubin, A. Srinivasan, V. Sturm, W. JACoW Publishing Geneva, Switzerland 2226-0366 978-3-95450-194-6 10.18429/JACoW-LINAC2018-TU2A03 English 303-307 TU2A03 DTL quadrupole operation cavity emittance Contribution to a conference proceedings 2019 2019-01 https://doi.org/10.18429/JACoW-LINAC2018-TU2A03 http://jacow.org/linac2018/papers/tu2a03.pdf The new post-stripper DTL at GSI shall accelerate uranium beams with space charge induced tune depressions of up to 37% to 11.4 MeV/u. Emittance dilution must be kept below few percent. However, the layout must also allow for delivery of lightest ions to just 3.0 MeV/u. This broad-banded range of requirements imposes huge challenges on the layout and fabrication especially of the cavities and drift tube magnets.