Speaker
Christian Carli
(European Organization for Nuclear Research)
Description
Precise beam energy calibration is a basic requirement for FCC-ee operation at the Z and WW energies. The present baseline foresees to polarize low intensity bunches in the collider using asymmetric wigglers during about one hour prior to ramping up the intensity of bunches brought into collision for physics. Generation of polarized bunches at low energy in a dedicated ring is proposed as alternative to improve the efficiency of FCC-ee exploitation. First designs of such a dedicate polarizer ring and performance estimates will be presented.
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Author
Siddhi Keskar
(European Organization for Nuclear Research)
Co-authors
Christian Carli
(European Organization for Nuclear Research)
Hannes Bartosik
(European Organization for Nuclear Research)