The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - UNPB AU - Grassellino, A. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - Pushing Bulk Nb Limits (High Q, High Gradient, Reliable SRF Accelerators) J2 - Proc. of SRF2019, Dresden, Germany, 30 June-05 July 2019 CY - Dresden, Germany T2 - International Conference on RF Superconductivity T3 - 19 LA - english AB - Superconducting RF technology for particle accelerators have come a long way but still have huge and unexplored potential. SRF technology state of the art cavities have gradients up to 50 MV/m and quality factors exceeding 5·10¹⁰ at 2K, 1.3 GHz, 2·10¹¹ at 1.5K, 2·10¹⁰ at 4.2K (Nb₃Sn). SRF is now at the beginning of a new phase. The next factor of 2-3 will require a strong focus on: Physics of SRF surface (material science tools. As much involvement as possible of superconductivity theory experts with strong ties to technology centers/labs. Long term to focus on: what is the ultimate limit for achievable gradients and Q? Can we go to 100 MV/m or more? We need to understand the ultimate limitations and explore pathways forward. PB - JACoW Publishing CP - Geneva, Switzerland ER -