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TY - CONF AU - Bafia, D. AU - Bice, D.J. AU - Gonnella, D. AU - Grassellino, A. AU - Melnychuk, O.S. AU - Palczewski, A.D. AU - Romanenko, A.S. AU - Sergatskov, D.A. AU - Zasadzinski, J. ED - Michel, Peter ED - Arnold, André ED - Schaa, Volker RW TI - New Insights in the Quench Mechanisms in Nitrogen Doped Cavities 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 - This paper will cover a systematic study of the quench in nitrogen doped cavities: three cavities were sequentially treated/reset with different doping recipes which are known to produce different levels of quench field. Analysis of mean free path and TMAP coupled with sample analysis reveals new insights on the physics of the premature quench in nitrogen doped cavities; new recipes demonstrate the possibility to increase quench fields well beyond 30 MV/m. PB - JACoW Publishing CP - Geneva, Switzerland SP - 592 EP - 596 KW - cavity KW - SRF KW - accelerating-gradient KW - niobium KW - factory DA - 2019/08 PY - 2019 SN - "" SN - 978-3-95450-211-0 DO - doi:10.18429/JACoW-SRF2019-TUP062 UR - http://jacow.org/srf2019/papers/tup062.pdf ER -