Speaker
Description
High-performance SRF cavities are of central importance for many future projects and can only be realized through international collaboration. A key challenge is the standardization of parameters for chemical etching, heat treatment, and vertical testing. We have observed small but significant differences in the parameters defined locally across laboratories. In parallel with collaborative initiatives within European laboratories and between American and French institutions, we are consolidating the partnership between France and Japan. At present, we are developing a 1-cell 1.3 GHz cavity to systematically compare the vacuum furnaces at IJCLab and KEK, as well as the vertical testing procedures at CEA and KEK. Our investigations include mid-T baking, high-temperature annealing, low-temperature baking, and studies of magnetic field sensitivity. In this contribution, we present the global scope of the collabora- tion, the comparative analysis of furnaces, and the results of vertical tests.
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