##### Dr. Margarit Rizea

Research topics:

- Numerical modelling of physical processes

- Software development based on new or improved algorithms

Applications:

- Alpha decay

- Proton emission

- Neutron emission

- Nuclear fission

- Nuclear structure

Highlighted achievements:

- exponential fitted multistep algorithms optimally adapted to the Schrodinger equation

- highly accurate solution of coupled channel Schrodinger equation in the asymptotic regions

- improved numerical methods for the solution of the time dependent Schrodinger equation

- description of the proton emission from spherical and deformed nuclei

- calculation of the nuclear level density relevant for thorium-based reactors

- study of the alpha-decay in ultra-intense laser fields

- description by a dynamical model of the scission neutrons emitted during nuclear fission at low energies

- calculus of the Fourier transform of single-particle wave functions in cylindrical coordinates

- L.G. Ixaru and M. Rizea,
*A Numerov-like scheme for the numerical solution of the Schrodinger equation in the deep continuum spectrum of energies,*Comp. Phys. Comm. 19, 23-27 (1980). - M. Rizea,
*PERSYS - A program for the solution near the origin of coupled channel Schrodinger equation with singular potential,*Comp. Phys. Comm. 143, 83-99 (2002). - N. Carjan and M. Rizea,
*Scission neutrons and other scission properties as function of mass asymmetry in U-235(n(th),f),*Phys. Rev. C 82, 014617 (2010). - M. Rizea and N. Carjan,
*Dynamical scission model*, Nucl. Phys. A 909, 50-68 (2013). - N. Carjan and M. Rizea,
*Similarities between calculated scission-neutron properties and experimental data on prompt fission neutrons,*Phys. Lett. B 747, 178-181 (2015).