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TY - UNPB AU - Grassellino, A. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Progress in High Q SRF cavities development: from Single Cell to Cryomodule J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - This talk will present the summary of the latest progress in nitrogen doping and magnetic flux reduction strategies, starting from the knowledge of the basic phenomena developed via single cell cavities studies in vertical and horizontal cryogenic dewars and via advanced surface studies of samples, to the implementation in an actual large scale cryomodule. Results of studies of the quality factors as a function of cooldown details though critical temperature for the first LCLS2 prototype cryomodule will be presented. PB - JACoW CP - Geneva, Switzerland ER -