Flavor physics at the CEPC: a general perspective*
Abstract:
We discuss the landscape of flavor physics at the Circular Electron-Positron Collider (CEPC), based on
the nominal luminosity outlined in its Technical Design Report. The CEPC is designed to operate in multiple modes
to address a variety of tasks. At the Z pole, the expected production of 4 Tera Z bosons will provide unique and
highly precise measurements of Z boson couplings, while the substantial number of boosted heavy-flavored quarks
and leptons produced in clean Z decays will facilitate investigations into their flavor physics with unprecedented pre-
cision. We investigate the prospects of measuring various physics benchmarks and discuss their implications for
particle theories and phenomenological models. Our studies indicate that, with its highlighted advantages and anti-
cipated excellent detector performance, the CEPC can explore beauty and τ physics in ways that are superior to or
complementary with the Belle II and Large-Hadron-Collider-beauty experiments, potentially enabling the detection
of new physics at energy scales of 10 TeV and above. This potential also extends to the observation of yet-to-be-dis-
covered rare and exotic processes, as well as testing fundamental principles such as lepton flavor universality, lepton
... mehr
the nominal luminosity outlined in its Technical Design Report. The CEPC is designed to operate in multiple modes
to address a variety of tasks. At the Z pole, the expected production of 4 Tera Z bosons will provide unique and
highly precise measurements of Z boson couplings, while the substantial number of boosted heavy-flavored quarks
and leptons produced in clean Z decays will facilitate investigations into their flavor physics with unprecedented pre-
cision. We investigate the prospects of measuring various physics benchmarks and discuss their implications for
particle theories and phenomenological models. Our studies indicate that, with its highlighted advantages and anti-
cipated excellent detector performance, the CEPC can explore beauty and τ physics in ways that are superior to or
complementary with the Belle II and Large-Hadron-Collider-beauty experiments, potentially enabling the detection
of new physics at energy scales of 10 TeV and above. This potential also extends to the observation of yet-to-be-dis-
covered rare and exotic processes, as well as testing fundamental principles such as lepton flavor universality, lepton
... mehr
| Zugehörige Institution(en) am KIT | Institut für Experimentelle Teilchenphysik (ETP) |
| Publikationstyp | Zeitschriftenaufsatz |
| Publikationsdatum | 01.10.2025 |
| Sprache | Englisch |
| Identifikator | ISSN: 1674-1137, 0254-3052, 2058-6132 KITopen-ID: 1000186690 |
| Erschienen in | Chinese Physics C |
| Verlag | Institute of Physics Publishing Ltd (IOP Publishing Ltd) |
| Band | 49 |
| Heft | 10 |
| Seiten | Art.-Nr.: 103003 |
| Vorab online veröffentlicht am | 12.07.2025 |
| Nachgewiesen in | Dimensions OpenAlex Web of Science Scopus |