Contribution to a conference proceedings/Contribution to a book

GSI-2025-00953

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Spill Optimization System Improving Slow Extraction at GSI

Niedermayer, P. (Corresponding author)GSI* ; Singh, R.GSI* ; Bräuning, H.GSI* ; Milosic, T.GSI*

2025
JACoW Publishing Geneva, Switzerland
ISBN: 978-3-95450-248-6

Please use a persistent id in citations: doi:10.18429/JACoW-IPAC2025-TUPB008  doi:10.15120/GSI-2025-00953

Abstract: Resonant slow extraction is routinely used to provide ion beams to various users.At GSI SIS18, two extraction methods are implemented: quadrupole-driven and radio frequency Knock Out (RF-KO) extraction.In either case, delivering a defined beam intensity (spill) without fluctuations or drifts is desired for an efficient beam usage.The Spill Optimization System (SOS) was developed to address this demand and improve the spill quality based on online spill monitoring.Developed using software-defined radio technology, it comprises a feedback controlling the spill rate and an optimization algorithm to improve the spill quality.In the case of RF-KO extraction, it controls the spill by generating tailored excitation signals for the KO exciter.For quadrupole-driven extraction, it produces a control signal for the tune ramp including tune wobbling to improve the spill quality.This contribution gives an overview on the systems and compares different usage scenarios.

Keyword(s): Accelerator Physics ; mc4-hadron-accelerators - MC4: Hadron Accelerators ; MC4.T12 - MC4.T12 Beam Injection/Extraction and Transport

Note: Published by JACoW Publishing under the terms of the Creative Commons Attribution 4.0 license.

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Contributing Institute(s):

1. Beam Diagnostics (BEA)
2. Publikationen des Stabes Beschleunigerbetrieb & -entwicklung (ACCpub)

Research Program(s):

1. 621 - Accelerator Research and Development (POF4-621) (POF4-621)

Experiment(s):

1. Experiment at GSI without experiment proposal number ( - ; Facility_outside_beam_time_program )

Appears in the scientific report 2025

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