Nuclear models and structure information implemented in TALYS
See the TALYS manualfor a full description of all models.
1. Optical Model:
- Optical model potential (OMP) calculations are performed with ECIS-2006
- Neutrons/protons: Koning-Delaroche phenomenological spherical OMP (local / global), Soukhovitskii deformed OMP for actinides, user-defined OMP's, dispersive OMP's, and Hartee-Fock-Bogolyubov based JLM OMP's
- Complex particles: Simplified Watanabe folding approach
2. Direct reactions:
- Direct reaction calculations are performed with ECIS-2006
- DWBA for (near) spherical nuclei
- Coupled-channels for deformed nuclei (symmetric rotational / harmonic vibrational / vibration-rotational / asymmetric rotational)
- Weak-coupling model for odd nuclei
- Giant resonances (Kalbach macroscopic phenomenological model)
3. Compound reactions:
- Hauser-Feshbach
- Width-fluctuation models (Moldauer / GOE triple integral / HRTW)
- Blatt-Biedenharn formalism for angular distributions
- Astrophysical reaction rates by Maxwellian folding of the cross sections
- Initial excited nucleus with excitation energy population
4. Level densities:
- Gilbert-Cameron model
- Back-shifted Fermi gas model
- Superfluid model
- Ignatyuk damping of shell effects in the level density parameter
- Rotational / vibrational effects
- Microscopic level densities, based on Hartree-Fock-Bogolyubov model, parity-dependent
5. Pre-equilibrium reactions:
- Two-component excition model
- Photon exciton model (Akkermans and Gruppelaar)
- Continuum stripping, pick-up, knock-out and stripping (Kalbach phenomenological model)
- Angular distribution (Kalbach systematics)
6. Multiple emission:
- Multiple pre-equilibrium emission for any number of particles
- Multple Hauser-Feshbach emission for any number of particles
7. Fission:
- Hill-Wheeler transmission coefficients
- single / double / triple humped barriers
- Class II (III) states
- Experimental barrier parameters
- Rotating-Liquid-Drop model
- Rotating-Finite-Range model
- Microscopic barrier parameters
- WKB approximation of fission path
- Fission fragment mass distributions (Multi-Model Random-Neck-Rupture model)
- Fission fragment charge disitributions (scission-point model)
8. Gamma-ray transmission coefficients:
- Brink-Axel Lorentzian
- Kopecky-Uhl Generalised Lorentzian
- Microscopic gamma-ray strength functions, based on Hartree-Fock-Bogolyubov model
- Photoabsorption cross sections: (GDR + quasi-deuteron (Chadwick)
9. Recoils:
- Exact approach
- Method of average velocity
10. Nuclear structure database (based on RIPL-2):
- Abundancies
- Discrete levels
- Deformations
- Masses
- Radial densities
- Level density parameters and tabulated level densities
- Resonance parameters
- Fission barrier parameters
- Fission paths
- Thermal cross sections
- Microscopic level densities
- Prescission shapes