DIFFERENTIAL CROSS SECTIONS FOR ELECTRON CAPTURE FROM ATOMIC HYDROGEN BY FAST ALPHA PARTICLES

Danilo Delibašić, Nenad Milojević, Ivan Mančev

DOI Number
https://doi.org/10.2298/FUPCT2401025D
First page
025
Last page
036

Abstract


Electron capture in collisions of fast alpha particles with atomic hydrogen is studied by means of the prior version of the three-body boundary-corrected intermediate-states method (BCIS-3B). State-selective and state-summed differential cross sections are presented for the final state n up to n_"max" =\{2,3,4\} , depending on the incident energy. The contributions from higher excited states with n>n_"max"  are included using the Oppenheimer n^(-3) scaling law. The observed angular dependencies of the obtained differential cross sections are analyzed in detail, for incident projectile energy values of E=\{100, 150, 300\} "keV" /"amu"   (intermediate) and E=\{1.3, 2.5, 5.0, 7.5, 12.5\} "MeV" /"amu"  (high energy values).

Keywords

ion-atom collisions, electron capture, differential cross sections

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References


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