Correlation between log₁₀(K₀) and the normalisation factor (see Eq. (10)), that is the correction factor applied (on the total production cross section of element Z) in order to get the best-fit on LiBeB/C data. The three elements considered are colour-coded: Z = 3 (Li) in orange, Z = 4 (Be) in green, and Z = 5 (B) in blue. The 1σ correlation ellipses are shown for analyses with different cross section sets (in model SLIM): from left to right, stars are for the original OPT12, downward triangles for the update OPT12, circles for OPT12up22, and upward triangles for OPT22. The horizontal grey dashed line highlights μ_Z = 1 (i.e., no modification needed for the production cross sections).