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@INPROCEEDINGS{Dolinskyy:365272,
author = {Dolinskyy, Oleksiy and Ondreka, David and Spiller, Peter},
title = {{E}nhancing beam intensity in {SIS}18 by a two-plane
multi-turn injection approach},
address = {Geneva},
publisher = {JACoW Publishing},
reportid = {GSI-2026-00366},
pages = {836-839},
year = {2025},
note = {Published by JACoW Publishing under the terms of the
Creative Commons Attribution 4.0 license.},
abstract = {The existing synchrotron SIS18 will serve as an injector
for the FAIR (Facility for Antiproton and Ion Research)
complex in booster mode operation. FAIR requires
high-intensity beams, placing stringent demands on
increasing beam currents in SIS18. Operational experience
has shown that significantly increasing beam intensity in
SIS18 necessitates both a higher current from UNILAC and
improved injection efficiency into SIS18. Currently,
injection into the SIS18 synchrotron is performed using
conventional multi-turn injection (MTI) in the horizontal
plane. To significantly enhance beam intensity in SIS18, we
propose implementing a two-plane multi-turn injection
scheme. This method aims to boost beam intensity to the
desired levels (e.g., uranium beams exceeding 1x1E11 per
cycle), even within the current capabilities of UNILAC. This
paper discusses how MTI gain can be increased with high
efficiency through a two-dimensional technique of painting
Lissajous-like patterns in horizontal-vertical space using
an inclined electrostatic septum. Simulation examples are
presented, illustrating the characteristics of the beam
created in SIS18 and the potential effects of space charge
forces.},
month = {Jun},
date = {2025-06-01},
organization = {16th International Particle
Accelerator Conference 2025, Taipei
(Taiwan), 1 Jun 2025 - 6 Jun 2025},
cin = {SISpub},
cid = {I:(DE-Ds200)SIS-20250213publications},
pnm = {6G14 - GSI-MU Ion Facilities (POF4-6G14)},
pid = {G:(DE-HGF)POF4-6G14},
experiment = {$EXP:(DE-Ds200)no_experiment-20200803$},
typ = {PUB:(DE-HGF)8},
doi = {10.18429/JACoW-IPAC2025-MOPS141},
url = {https://repository.gsi.de/record/365272},
}