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@inproceedings{papash:ipac2021-mopab035, author = {A.I. Papash and E. Bründermann and B. Härer and A.-S. Müller and R. Ruprecht and M. Schuh and J. Schäfer}, % author = {A.I. Papash and E. Bründermann and B. Härer and A.-S. Müller and R. Ruprecht and M. Schuh and others}, % author = {A.I. Papash and others}, title = {{Modified Lattice of the Compact Storage Ring in the cSTART Project at Karlsruhe Institute of Technology}}, booktitle = {Proc. IPAC'21}, pages = {159--162}, eid = {MOPAB035}, language = {english}, keywords = {sextupole, quadrupole, lattice, octupole, storage-ring}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-MOPAB035}, url = {https://jacow.org/ipac2021/papers/mopab035.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB035}, abstract = {{A very large acceptance compact storage ring (VLA-cSR) is under design at the Institute for Beam Physics and Technology (IBPT) of the Karlsruhe Institute of Technology (KIT, Germany). The combination of a compact storage ring and a laser wakefield accelerator (LWFA) might be the basis for future compact light sources and advancing user facilities. Meanwhile, the post-LWFA beam should be adapted for storage and accumulation in a dedicated storage ring. Modified geometry and lattice of a VLA-cSR operating at 50 MeV energy range have been studied in detailed simulations. The main features of a new model are described here. The new design, based on 45° bending magnets, is suitable to store the post-LWFA beam with a wide momentum spread (1% to 2%) as well as ultra-short electron bunches in the fs range from the Ferninfrarot Linac- Und Test- Experiment (FLUTE). The DBA-FDF lattice with relaxed settings, split elements, and higher-order optics of tolerable strength allows improving the dynamic aperture to an acceptable level. This contribution discusses the lattice features in detail and different possible operation schemes of a VLA-cSR.}}, }