Speaker
Marten Koopmans
(European Spallation Source)
Description
The ESS linac has been commissioned in two different operation phases operation on the 12 kW commissioning beam dump. In 2025 the linac was operated at full duty cycle in the NCL section (up to 90 MeV) and at reduced duty cycle in the SCL section (up to 870 MeV), due to limitations in the cooling infrastructure and staged implementation of LLRF functionalities. In the present phase the whole linac has been operated up to its full duty cycle at 14 Hz and 3.2 ms RF pulses, showing LFD capabilities with long RF pulses in SRF structures.
This contribution summarizes the staged technical commissioning phases, presenting the conditioning experience and the setup for operation at nominal RF performances.
Footnotes
Also relevant for MCR4.A08, SRF
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Author
Marten Koopmans
(European Spallation Source)
Co-authors
Ms
Agnieszka Zwozniak
(European Spallation Source)
Andrea Bignami
(European Spallation Source)
Andrea Passarelli
(European Spallation Source)
Mr
Artur Krawczyk
(European Spallation Source)
Cecilia Maiano
(European Spallation Source)
Domenic Nicosia
(European Spallation Source)
Emanuele Laface
(European Spallation Source)
Emmanouil Trachanas
(European Spallation Source)
Francesco Grespan
(Istituto Nazionale di Fisica Nucleare)
Henry Przybilski
(European Spallation Source)
Krister Mårtensson
(European Spallation Source)
Marek Skiba
(European Spallation Source)
Muyuan Wang
(European Spallation Source)
Nuno Elias
(European Spallation Source)
Paolo Pierini
(European Spallation Source)
Peter van Velze
(European Spallation Source)
Stuart Sandilands
(European Spallation Source)