As specific features of the TALYS package we mention • In general, an exact implementation of many of the latest nuclear models for direct, compound,pre-equilibrium and fission reactions. • A continuous, smooth description of reaction mechanisms over a wide energy range (0.001- 200MeV) and mass number range (12 A 339). • Completely integrated optical model and coupled-channels calculations by the ECIS-06 code . • Incorporation of recent optical model parameterisations for many nuclei, both phenomenological (optionally including dispersion relations) and microscopical. • Total and partial cross sections, energy spectra, angular distributions, double-differential spectra and recoils. • Discrete and continuum photon production cross sections. • Excitation functions for residual nuclide production , including isomeric cross sections . • An exact modeling of exclusive channel cross sections, e.g. (n, 2np), spectra, and recoils. • Automatic reference to nuclear structure parameters as masses, discrete levels, resonances, level density parameters, deformation parameters, fission barrier and gamma-ray parameters , generally from the IAEA Reference Input Parameter Library . • Various width fluctuation models for binary compound reactions and, at higher energies, multiple Hauser-Feshbach emission until all reaction channels are closed. • Various phenomenological and microscopic level density models. • Various fission models to predict cross sections and fission fragment and product yields, and neutron multiplicities. • Models for pre-equilibrium reactions, and multiple pre-equilibrium reactions up to any order. • Generation of parameters for the unresolved resonance range. • Astrophysical reaction rates using Maxwellian averaging. • Medical isotope production yields as a function of accelerator energy and beam current. • Option to start with an excitation energy distribution instead of a projectile-target combination,helpful for coupling TALYS with intranuclear cascade codes or fission fragment studies. • Use of systematics if an adequate theory for a particular reaction mechanism is not yet available or implemented, or simply as a predictive alternative for more physical nuclear models. • Automatic generation of nuclear data in ENDF-6 format (not included in the free release). • Automatic optimization to experimental data and generation of covariance data (not included in the free release). • A transparent source program. • Input/output communication that is easy to use and understand. • An extensive user manual. • A large collection of sample cases.
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