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Abstract:
We discuss the least-square and linear-regression methods, which are
relevant for a reliable determination of good nuclear-mass-model
parameter sets and their errors. In this perspective, we define exact
and inaccurate models and point out differences in using the
standard error analyses for them. As an illustration, we use simple analytic
models for nuclear binding energies and study the validity and errors of
models' parameters, and uncertainties of its mass predictions. In
particular, we show explicitly the influence of mass-number dependent
weights on uncertainties of liquid-drop global parameters.
Error analysis of nuclear mass fits
J. Toivanen,
J. Dobaczewski,
M. Kortelainen,
K. Mizuyama
Date: October 6, 2008
Jacek Dobaczewski
2008-10-06