Evaluated neutron/gamma/lightion cross section data directory
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   authors A. Berngardt, A.Ivanchenko, V.Ivanchenko
        (29 October 2025)

1. Evaluated cross section data for natural composition of elements 
for neutrons, protons, deuterons, tritons, He3, alpha, gamma

-- elZ   - elastic 
-- inelZ - inelastic
-- capZ  - capture
-- RinelZ - neutron elastic in resonance region
-- RinelZ - neutron inelastic in resonance region
-- RcapZ  - neutron capture in resonance region

Data for selected isotopes below 20 MeV

-- inelZ_A - inelastic
-- capZ_A  - capture
-- RinelZ_A - neutron inelastic in resonance region
-- RcapZ_A  - neutron capture in resonance region

Data format is G4VPhysicsVector compatible

These data are used by neutron cross section classes G4NeutronCaptureXS,
G4NeutronElasticXS, G4NeutronInelasticXS, and G4ParticleIvelasticXS.

2. Extra directory "neutrino" consists of files for x- and Q2- sampling 
of neutrino interactions with nucleon (nucleus). The sampling depends on 
the neutrino flavour, so a tree of directories will be implemented. 
The values of x and Q2 are used for the creation of the neutrino-nucleus 
interaction final state.
