An R implementation of fitting routines used in lattice QCD. It provides useful functions for extraction hadronic quantities and such like.
Toolkit to perform statistical analyses of correlation
functions generated from Lattice Monte Carlo simulations. In
particular, a class
cf for correlation functions and
methods to analyse those are defined. This includes (blocked)
bootstrap and jackknife, but also an automatic determination of
integrated autocorrelation times.
hadron also provides a very
bootstrap.nlsfit to bootstrap a non-linear least squares fit.
More specific functions are provided to extract hadronic quantities
from Lattice Quantum Chromodynamics simulations, a particular Monte
Carlo simulation,(see e.g. European Twisted Mass Collaboration, P. Boucaud et
al. (2008) doi: 10.1016/j.cpc.2008.06.013). Here, to determine
energy eigenvalues of hadronic states, specific fitting routines
and in particular the generalised eigenvalue method (see
e.g. B. Blossier et al. (2009) doi: 10.1088/1126-6708/2009/04/094
and M. Fischer et al. (2020)
https://inspirehep.net/literature/1792113) are implemented.
In addition, input/output and plotting routines are available.
Carsten Urbach, email@example.com
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