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TY - CONF AU - Zlobin, A.V. AU - Kashikhin, V.V. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Persistent Current Effect in 15-16 T Nb3Sn Accelerator Dipoles and its Correction 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 - Nb3Sn magnets with operating fields of 15-16 T are considered for the LHC Energy Doubler and a future Very High Energy pp Collider. Due to large coil volume, high critical current density and large superconducting (SC) filament size the persistent current effect is very large in Nb3Sn dipoles al low fields. This paper presents the results of analysis of the persistent current effect in the 15 T Nb3Sn dipole demonstrator being developed at FNAL, and describes different possibilities of its correction including passive SC wires, iron shims and coil geometry. PB - JACoW CP - Geneva, Switzerland SP - 1061 EP - 1063 KW - ion KW - dipole KW - ion-effects KW - sextupole KW - collider DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-THA1CO04 UR - https://jacow.org/napac2016/papers/tha1co04.pdf ER -