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TY - CONF AU - Li, R. AU - Deitrick, K. E. AU - Michalski, T.J. ED - Koscielniak, Shane ED - Satogata, Todd ED - Schaa, Volker RW ED - Thomson, Jana TI - Updates on Collective Effects Estimations for JLEIC J2 - Proc. of IPAC2018, Vancouver, BC, Canada, April 29-May 4, 2018 C1 - Vancouver, BC, Canada T2 - International Particle Accelerator Conference T3 - 9 LA - english AB - JLEIC is the high luminosity and high polarization electron-ion collider (EIC) currently under active design at Jefferson Lab. It aims at high luminosity (10³³~10³⁴ cm⁻²s^{−1}) for a wide range of ion species and center-of-mass energies. This luminosity performance relies sensibly on beam stability with high intensity electron and ion beam operation. The impedance budget analysis and the estimations of the single and multibunch instabilities are currently underway. In this paper, we present the update status of estimations for the longitudinal and transverse coherent instabilities, and identify areas or parameter regimes where special attentions for instability mitigations are required. PB - JACoW Publishing CP - Geneva, Switzerland SP - 3533 EP - 3536 KW - electron KW - impedance KW - cavity KW - collider KW - luminosity DA - 2018/06 PY - 2018 SN - 978-3-95450-184-7 DO - 10.18429/JACoW-IPAC2018-THPAK123 UR - http://jacow.org/ipac2018/papers/thpak123.pdf ER -