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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2501.08321 |
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| _version_ | 1866909792155467776 |
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| author | Allanach, Ben Loisa, Eetu |
| author_facet | Allanach, Ben Loisa, Eetu |
| contents | We present a tool to compute the sensitivity of the Future Circular Electron--Positron Collider (FCC-ee) to the interactions of new, heavy particles via publicly available extensions to the smelli and flavio computer programs. We parameterize new particles' effects without any flavor assumptions and take into account the projected experimental and correlated theoretical uncertainties of various electroweak and Higgs observables at the proposed collider. We illustrate a use of the tool by estimating the sensitivity of the FCC-ee to a $Z^\prime$ model with flavor-specific couplings which explains anomalies inferred from present-day measurements and Standard Model predictions of observables that involve the $b \rightarrow s \ell^+ \ell^-$ transition. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_08321 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Computation of FCC-ee Sensitivity to Heavy New Physics with Interactions of Any Flavor Structure Allanach, Ben Loisa, Eetu High Energy Physics - Phenomenology We present a tool to compute the sensitivity of the Future Circular Electron--Positron Collider (FCC-ee) to the interactions of new, heavy particles via publicly available extensions to the smelli and flavio computer programs. We parameterize new particles' effects without any flavor assumptions and take into account the projected experimental and correlated theoretical uncertainties of various electroweak and Higgs observables at the proposed collider. We illustrate a use of the tool by estimating the sensitivity of the FCC-ee to a $Z^\prime$ model with flavor-specific couplings which explains anomalies inferred from present-day measurements and Standard Model predictions of observables that involve the $b \rightarrow s \ell^+ \ell^-$ transition. |
| title | Computation of FCC-ee Sensitivity to Heavy New Physics with Interactions of Any Flavor Structure |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2501.08321 |