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Tau-lepton Physics at the FCC-ee circular e$^+$e$^-$ Collider
by Mogens Dam
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Submission summary
| Authors (as registered SciPost users): | Mogens Dam |
| Submission information | |
|---|---|
| Preprint Link: | https://arxiv.org/abs/1811.09408v2 (pdf) |
| Date accepted: | Jan. 10, 2019 |
| Date submitted: | Dec. 18, 2018, 1 a.m. |
| Submitted by: | Dam, Mogens |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | The 15th International Workshop on Tau Lepton Physics (TAU2018) |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approach: | Experimental |
Abstract
The future FCC-ee collider is designed to deliver $\mathrm{e^+e^-}$ collisions to study with ultimate precision the Z, W, and Higgs bosons, and the top quark. In a high-statistics scan around the Z pole, $1.3\times 10^{11}$ events $\mathrm{Z}\to\tau\tau$ will be produced, the largest sample of $\tau\tau$ events foreseen at any lepton collider. With their large boost, $\tau$ leptons from Z decays are particularly well suited for precision measurements. The focus of this report is on tests of lepton universality from precision measurement of $\boldsymbol{\tau}$ properties and on tests of charged lepton flavour violation in Z decays and in $\tau$ decays. In both of these areas, FCC-ee promises sensitivities well beyond present experimental limits.
Published as SciPost Phys. Proc. 1, 041 (2019)