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TY - CONF AU - Gonin, I.V. AU - Borissov, E. AU - Grassellino, A. AU - Grimm, C.J. AU - Jain, V. AU - Kazakov, S. AU - Lebedev, V.A. AU - Lunin, A. AU - Mishra, C.S. AU - Mitchell, D.V. AU - Nicol, T.H. AU - Pischalnikov, Y.M. AU - Romanov, G.V. AU - Rowe, A.M. AU - Sharma, N.K. AU - Solyak, N. AU - Yakovlev, V.P. ED - Yamazaki, Yoshishige ED - Facco, Alberto ED - McCausey, Amy ED - Schaa, Volker RW TI - 650 MHz Elliptical Superconducting RF Cavities for PIP-II Project J2 - Proc. of LINAC2016, East Lansing, MI, USA, 25-30 September 2016 C1 - East Lansing, MI, USA T2 - Linear Accelerator Conference T3 - 28 LA - english AB - The PIP-II 800 MeV linac employs 650 MHz elliptical 5-cell CW-capable cavities to accelerate up to 2 mA peak beam current of H⁻ in the energy range 185 - 800 MeV. The low beta (LB) βG = 0.61 portion should accelerate from 185 MeV-500 MeV using 33 LB dressed cavities in 11 cryomodules. The high beta (HB) βG = 0.92 portion of the linac should accelerate from 500 to 800 MeV using 24 HB dressed cavities in 4 cryomodules. The development of both LB and HB cavities is going on under IIFC collaboration. The development of LB cavity initiated at VECC Kolkatta and HB cavity is going at RRCAT, Indore. This paper present design methodology adopted starting from RF design to get mechanical dimensions of the RF cells and then explains dressing of the cavity for both low beta and high beta cavities. Further the tuner design and its integration to the dressed cavity is discussed. Paper also explains the salient design features of these dressed cavities. PB - JACoW CP - Geneva, Switzerland SP - 943 EP - 945 KW - cavity KW - linac KW - cryomodule KW - controls KW - beam-transport DA - 2017/05 PY - 2017 SN - 978-3-95450-169-4 DO - 10.18429/JACoW-LINAC2016-THPLR041 UR - http://jacow.org/linac2016/papers/thplr041.pdf ER -