Articles written in Pramana – Journal of Physics

    • Formation of ground and excited hydrogen atoms in proton–potassium inelastic scattering


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      The inelastic scattering of proton with a potassium atom is treated for the first time as a three channel problem within the framework of the improved coupled static approximation by assuming that the ground (1s state) and the excited (2s state) hydrogen formation channels are open for seven values of total angularmomentum, $l (0 \leq l \leq 6)$ at energies between 50 and 500 keV. The Lipmann–Swinger equation and the Green’s function iterative numerical method are used to calculate iterative partial and total cross-sections. This can be doneby calculating the reactance matrix at different values of the considered incident energies to obtain the transition matrix that gives partial and total cross-sections. Present results are in reasonable agreement with previous results.

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