OLAV-VI: 6th Workshop on the Operation of Large Vacuum Systems

Session

Session 2

Low Particulate Vacuum System Design and Best Practices

16 Apr 2024, 14:25

One West (Fermi National Accelerator Laboratory)

Conveners

Session 2: Low Particulate Vacuum System Design and Best Practices

• Bob Donahue (FNAL - AD/MSD)
• Yulin Li (Cornell University)

Contribution list Timetable

42. Status of the Vacuum Systems of the FAIR Accelerator Complex -

Andreas Kraemer (GSI Helmholtzzentrum für Schwerionenforschung GmbH)

16/04/2024, 14:25

The FAIR (Facility for Antiproton and Ion Research) accelerator complex is under
construction at the GSI campus in Darmstadt in Germany. In the current realisation phase it consists of about 2km of beam vacuum system, where the vacuum requirements are different for almost all machines. While in the fast ramped SIS100 one has to deal with cryogenic and bakeable at room temperature operated...

48. LCLS-II-HE cryomodule production at Fermilab

Tug Arkan (Fermilab)

16/04/2024, 14:50

The Linac Coherent Light Source (LCLS) is an X-ray science facility at SLAC National Accelerator Laboratory. The LCLS-II project (an upgrade to LCLS) is in the commissioning phase; the LCLS-II-HE (High Energy) project is another upgrade to the facility, enabling higher energy operation. An electron beam is accelerated using superconducting radio frequency (SRF) cavities built into...

47. LCLS-II Particle Free Vacuum System: assembly and commissioning

Giulia Lanza (SLAC National Accelerator Laboratory), Robert Coy (SLAC National Lab)

16/04/2024, 15:15

The LCLS-II (Linac Coherent Light Source II), a revolutionary new X-ray laser, is currently operating at SLAC National Accelerator Laboratory. In the past years SLAC has operated and tested the capability of this new machine. This presentation gives a comprehensive overview of the accelerator vacuum systems state, performance, challenges, and potential relation with vacuum system and RF cavity...

38. Operational Experience of a Cryomodule Test Stand for LCLS-II Cryomodules

Brian Hartsell (Fermilab)

16/04/2024, 16:00

CMTS1 (cryomodule test stand 1) at Fermilab was built to test cryomodules built for the LCLS-II beamline at SLAC and is currently testing cryomodules for LCLS-II-HE, the high energy upgrade to LCLS-II. The first cryomodule test was in 2016 and to date over 30 cryomodules have been tested here. This talk will highlight operational experience of the vacuum systems including insulating,...

44. Low Particulates Vacuum Operation in SRF Cavity and String Assembly

Genfa Wu (FNAL/TD)

16/04/2024, 16:25

Foreign particles may unexpectedly enter SRF cavities and cause cavity performance degradation. Stringent protocols related to the vacuum operations of an SRF cavity system are paramount for high-quality assembly. This presentation will describe those protocols, the lessons learned, and the current and future studies to improve the SRF vacuum system further.

35. the Protection of low particulate vacuum for SRF from catastrophe failure of neighboring UHV

Alex Zuxing Chen (Fermilab)

16/04/2024, 16:50

In accelerators based on SRF technology, low particulate vacuum is required. it is critical for SRF operation to minimize the immigration of particulates in vacuum system into the SRF region, in case of catastrophe vacuum failure in neighboring area. Fast action valves( close within 10ms) are equipped and tests were done PIP2IT. test results and analysis will be presented.

45. Field installation of cryomodule vacuum systems at Fermilab

Curtis Baffes (Fermilab)

16/04/2024, 17:15

This talk will summarize experience with field installation of SRF cryomodules at Fermilab, including temporary cleanroom setup, low particulate vaucum practices,vacuum protection,and cryostat vacuum practices.