Below is a small selection of sources of notes, etc. on the R-matrix formalism and
on its numerical implementations:
R-Matrix Theory of Nuclear Reactions
A. M. Lane, R. G. Thomas. Rev. Mod. Phys. 30, 257–353 (1958)
JINA Workshops and Conferences - Archives
JINA R-Matrix School Lectures website October 2004
Elastic Scattering of Spinless Particles by a Central Potential
Configuration Space of the Nuclear Problem
Dealing with the Collision Matrix
Single Particle States & Sum Rule Limits
Formal and Physical R-Matrix Parameters
Erich Vogt: R-Matrix Theory (set of five lectures)
JINA (Joint Institute for Nuclear Astrophysics) R-matrix Workshop 2009
AZURE - R-Matrix and Nuclear Reactions in Stellar Hydrogen and Helium Burning
The Early Days of R-Matrix Theory
Monte Carlo Reaction Rates
Recent Developments in R-Matrix Analysis
ANC Techniques and R-Matrix Analysis
Error bars for reaction rates in astrophysics: the R-matrix theory context
Theoretical calculation of neutrino fluxes from the Sun
Cascade Transitions in 16O and the 12C(α,γ)16O Reaction Cross Section
ERNA: Measurement and R-Matrix analysis of 12C(α,γ)16O
R-Matrix Analysis of 15N(p,γ0)16O using the program AZURE
AZURE: An R-matrix code for nuclear astrophysics
R.E. Azuma, E. Uberseder, E.C. Simpson, C.R. Brune, H. Costantini, R.J. de Boer,
J. Görres, M. Heil, P.J. LeBlanc, C. Ugalde, M. Wiescher
PHYSICAL REVIEW C 81, 045805 (2010)
http://epubs.surrey.ac.uk/28858/4/PhysRevC.81.045805.pdf
Azure2 introduction tutorial (Edward Simpson, Surrey)
Notes from the Surrey Nuclear Reactions Minischool, 2009
2. R-matrix applied to simultaneous data sets
R-matrix methods - Lecture Notes of Daniel Baye (ULB, Brussels)
(Delivered at the 2010 ECT* Trento, Doctoral Training Programme)
P. Decouvement and D. Baye (ULB, Brussels). ArXiv review paper
arXiv:1001.0678 [nucl-th]
Kapur-Peierls, Wigner-Eisenbud And All That
Introductory single-channel notes of R.C. Johnson (Surrey), 1987
Nuclear Reactions for Astrophysics: Principles, Calculation and
Applications of Low-Energy Reactions by Ian J. Thompson and
Filomena M. Nunes (Cambridge University Press - 31 July 2009)
Chapters 6 and 10.