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16.04.2010 - N. N.
CKMfitter
CKMfitter
CKMfitter is a software-package for analysing the constraints on the CKM-matrix parameters using experimental data.
The CKM-Matrix
The CKM matrix describes the mixing between mass eigenstates and eigenstates to the weak interaction of quarks. This matrix has to be unitary and can be parametrized (in the case of three quark families) by four parameters λ, A, η_bar and ρ_bar.
CKMfitter
With CKMfitter, you can visualize and analyze the constraints on these parameters by several standard-model (and beyond) measurements.
In this picture, one can see the constraints on eta_bar and rho_bar
from individual measurements visualized by coloured regions. The
small
red circle shows the allowed region for these parameters when all
individual constraints are combined.
(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)
Link to the CKMfitter homepage: http://ckmfitter.in2p3.fr/
Contact: Prof. Dr. Heiko Lacker
