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RIS citation export for MOPOB49: Persistent Current Effects in RHIC Arc Dipole Magnets Operated at Low Currents

AU - Wang, X.
AU - Caspi, S.
AU - Ghosh, A.K.
AU - Gourlay, S.A.
AU - Gupta, R.C.
AU - Jain, A.K.
AU - Sabbi, G.L.
AU - Wanderer, P.
ED - Schaa, Volker RW
ED - Power, Maria
ED - Shiltsev, Vladimir
ED - White, Marion
TI - Persistent Current Effects in RHIC Arc Dipole Magnets Operated at Low Currents
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 - The Relativistic Heavy Ion Collider (RHIC) arc dipoles at Brookhaven National Laboratory are operated at low field for low energy Au-Au studies. Indications of strong nonlinear magnetic fields have been observed at these low currents due to the persistent current effects of superconducting NbTi filaments. We report the details of the measurement and calculation of the field errors due to persistent current effect. The persistent current induced field errors calculated with a model based on the strand magnetization data agree well with the measurements of a spare arc dipole magnet. The dependence of the persistent current effects on the park current is calculated based on the validated model.
CP - Geneva, Switzerland
SP - 170
EP - 173
KW - ion
KW - dipole
KW - operation
KW - ion-effects
KW - detector
DA - 2017/01
PY - 2017
SN - 978-3-95450-180-9
DO - 10.18429/JACoW-NAPAC2016-MOPOB49
UR - https://jacow.org/napac2016/papers/mopob49.pdf
ER -