Interaction of antiproton with helium based on ab-initio calculations
Imre Ferenc Barna,
Mihály András Pocsai,
Károly Tőkési
Abstract:We present ionization cross sections for antiproton and helium collisions based on ab-initio timedependent coupled channel method. In our calculations a finite basis set of regular helium Coulomb wave packets and Slater function were used. The semiclassical approximation was applied with the time-dependent Coulomb potential to describe the antiproton electron interaction. Three different projectile energies were considered as 10, 50 and 100 keV. We found clear evidence for the formation of the anti-cusp in the… Show more
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