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TY - CONF AU - Muchnoi, N.Yu. ED - Li, Ying-ying ED - Li, Lu ED - Schaa, Volker RW TI - Performance of the FCC-ee Polarimeter J2 - Proc. of eeFACT2018, Hong Kong, China, 24-27 September 2018 CY - Hong Kong, China T2 - ICFA ABDW on High Luminosity Circular e$^+$e$^-$ Colliders T3 - 62 LA - english AB - Inverse Compton scattering is the classical way to measure the electron beam polarization. Eligibility of the approach at high energy domain has been demonstrated by LEP, HERA and SLD experiments. Fast measurement of beam polarization allows to apply the resonant depolarization technique for precise beam energy determination. The distinctive feature of the FCC-ee polarimeter is the registration of scattered electrons along with scattered photons. Polarimeter is designed to measure the transverse polarization of the non-colliding pilot bunch with 1 % accuracy every second. Furthermore the same apparatus allows to measure the beam energy, longitudinal beam polarization (if any) and transverse beam positions/sizes at the place of installation. PB - JACoW Publishing CP - Geneva, Switzerland SP - 157 EP - 164 KW - electron KW - laser KW - photon KW - polarization KW - scattering DA - 2019/04 PY - 2019 SN - 978-3-95450-216-5 DO - DOI: 10.18429/JACoW-eeFACT2018-TUPBB03 UR - http://jacow.org/eefact2018/papers/tupbb03.pdf ER -