The CKMfitter group provides:
- A global analysis of measurements determining the CKM matrix parameters in the framework of the Standard Model and some of its extensions.
- Graphical and numerical constraints on CKM matrix elements, predictions on rare K and B meson decays, theoretical parameters, etc.
- The statistical treatment is based on Frequentist statistics and Rfit (Range fit) for the theoretical uncertainties.
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Plots & Results
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| Preliminary results as of CKM 2025 |
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Talks
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13th International Workshop on the CKM Unitarity Triangle Sep 15-19, Cagliari, Italy "CKM matrix status in 2025" (pdf) |
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Tools
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Perform your own flavour analyses online with CKMlive |
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Specific Studies
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Prospective studies for Opportunities in Flavour Physics at the HL-LHC and HE-LHC |
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Publications
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New physics in B meson mixing: future sensitivity and limitations
arXiv:2006.04824 [hep-ph] |
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Constraining the gauge and scalar sectors of the doublet left-right symmetric model
arXiv:2001.00886 [hep-ph] |
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Isospin analysis of charmless B-meson decays
arXiv:1705.02981 [hep-ph] |
Disclaimer:
please feel free to use all figures and results provided by this web framework for your purposes.
Include the following reference when using the CKMfitter plots:
CKMfitter Group (J. Charles et al.), Eur. Phys. J. C41, 1-131 (2005)
[hep-ph/0406184], updated results and plots available at: http://ckmfitter.in2p3.fr