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Title: Technological developments and accelerator improvements for the FRIB beam power ramp-up

Journal Article · · Journal of Instrumentation
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  1. Michigan State University, East Lansing, MI (United States); et al.; Facility for Rare Isotope Beams, Michigan State University

The Facility for Rare Isotope Beams (FRIB) began operation with 1 kW beam power for scientific users in May 2022 upon completion of 8 years of project construction. The ramp-up to the ultimate beam power of 400 kW, planned over a 6-year period, will enable the facility to reach its full potential for scientific discovery in isotope science and applications. In December 2023, a record-high beam power of 10.4 kW uranium was delivered to the target. Technological developments and accelerator improvements are being made over the entire facility and are key to completion of the power ramp-up. Major technological developments entail the phased deployment of high-power beam-intercepting systems, including the charge strippers, the charge selection systems, the production target, and the beam dump, along with support systems, including non-conventional utilities (NCU) and remote handling facilities. Major accelerator improvements include renovations to aging legacy systems associated with experimental beam lines and system automation for improved operational efficiency and better machine availability. Experience must be gained to safely handle the increased radiological impacts associated with high beam power; extensive machine studies and advanced beam tuning procedures are needed to minimize uncontrolled beam losses for the desired operating conditions. This paper discusses the technological developments and accelerator improvements with emphasis on major R&D efforts.

Research Organization:
Michigan State University, East Lansing, MI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP)
Grant/Contract Number:
SC0023633
OSTI ID:
2406262
Journal Information:
Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 05 Vol. 19; ISSN 1748-0221
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Automation of RF and Cryomodule Operation at FRIB text January 2022
Status of Gas Sheet Monitor for Profile Measurements at FRIB conferencepaper January 2023
Beam tomography with coupling using maximum entropy technique text January 2023
Completion of FRIB Superconducting Linac and Phased Beam Commissioning text January 2022
Automation of FRIB SRF Cavities and SC Solenoids Turn-on/off text January 2023
FRIB Transition to User Operations, Power Ramp Up, and Upgrade Perspectives text January 2023
Investigation of Plasma Processing for Coaxial Resonators text January 2023