Speaker
Aurelien Martens
(Université Paris-Saclay (FR))
Description
The CERN Future Circular electron-positron Collider (FCC-ee) will enable extreme precision physics experiments from the Z-pole up to above the top-pair production threshold. Very precise beam energy measurements will be performed by resonant depolarization (RD) of e+ and e- pilot bunches, using novel 3D-polarimeters. Additional measurements will be needed to reduce the center-of-mass energy uncertainty to the level of the statistical precision of 4 keV ($m_Z$, $\Gamma_Z$) and 250 keV ($m_W$) expected for key Standard Model parameters. In addition, monochromatization of the beams, down to a few MeV, is necessary to observe the resonant s-channel e+e- → H(125) production; of which a first optics implementation has been achieved.
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Authors
Aurelien Martens
(Université Paris-Saclay (FR))
David d'Enterria
(CERN)
