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The Chinese Accelerator Facility for Superheavy Elements (CAFE2), developed by the Institute of Modern Physics, Chinese Academy of Sciences, is an upgrade of the Chinese Advanced Front-end Demonstration Linear Accelerator (CAFe). It provides advanced experimental capabilities for superheavy element research, including studies of their chemical properties and the production of neutron-rich superheavy nuclides through multinucleon transfer reactions.
Using the RAMI framework, this paper first applies a product breakdown structure (PBS) to organize the components of CAFE2 into a hierarchical tree. It then uses fault tree analysis to model reliability at the system, subsystem, and equipment levels, with the aim of identifying events that could cause accelerator downtime. Finally, it outlines plans for future reliability research to support continued improvements in the facility’s operational stability and performance.