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Title of Journal: Pramana J Phys

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Abbravation: Pramana

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Springer-Verlag

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10.1002/lt.21994

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0973-7111

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Total complete and ionization crosssections of

Authors: HARSHIT N KOTHARI K N JOSHIPURA
Publish Date: 2012/08/16
Volume: 79, Issue: 3, Pages: 435-442
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Abstract

Considering interactions and scattering of positrons with argon Ar and krypton Kr atoms we have calculated total crosssections Q T = Q el + Q inel using complex spherical potentials for these systems In positron–atom scattering it is difficult to bifurcate the ionization and cumulative excitation contained in the total inelastic crosssection An approximate method called CSPic complex scattering potentialionization contribution similar to electron–atom scattering has been applied to bifurcate ionization and cumulative excitation crosssections at energies from the threshold to 2000 eV Adequate comparisons of the present results are made with available data

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