Dresden 2000 – scientific programme

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T: Teilchenphysik

T 310: Beschleunigerphysik

T 310.6: Talk

Tuesday, March 21, 2000, 15:30–15:45, H\,304

High accelerating gradient superconducting cavities for TESLA — •Lutz Lilje — Notkestrasse 85, 22607 Hamburg

Electropolished single cell niobium cavities give very high accelerating gradients as compared to niobium cavities with standard BCP surface treatment. The results indicate that a high temperature heat treatment with titanification after electropolishing is not necessary. Tests on single cell cavities are compared with the performance of individual cells in 9-cell cavities of the TTF type after titanification.