The resonance interaction of H-like U ion with H2 and He targets

Abstract EN

Dielectronic recombination cross sections and rate coefficients for H-like U91+, which recombines with the continuum electron to form U90+ ion are explicitly calculated.

The rate coefficients are obtained from direct evaluation of the Auger and radiative transition probabilities, which are calculated from nonrelativistic Hartree-Fock wave functions.

All the available electron excitations for n 0 are calculated.

On the other hand, the resonant transfer excitation followed by X-ray (RTEX) cross sections in the collisions of highly charged Uranium ion U91+ with H2 and He are calculated.

It is found that the rates peaks around 5 KRy and has the value 3.5x10-14 cm3/s.

Moreover, the range of the projectile energies of RTEX cross sections is between 8-17 GeV, forming three peaks, which agrees with previous experimental and theoretical works.