Energy and angular differential recoil ion spectra in collisions between positron and helium atom

Research output: Contribution to journalArticle

Abstract

Either the ejected electron and/or scattered positron spectra were studied mostly so far when positrons were used in the collision experiments as projectile. However, the recoil ion spectra also hold the promise that all information can be obtained from the collision system. We performed classical simulation for collision between 50 eV positron and helium atom. We present double differential correlation pattern between the recoil energy and the scattering angle of the recoil ion. We show that unambiguous mapping can be derived between the correlation pattern and the various final states.

Original languageEnglish
Article number072023
JournalJournal of Physics: Conference Series
Volume388
Issue numberPART 7
DOIs
Publication statusPublished - 2012

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recoil ions
helium atoms
positrons
collisions
atoms
energy
projectiles
scattering
electrons
simulation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

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abstract = "Either the ejected electron and/or scattered positron spectra were studied mostly so far when positrons were used in the collision experiments as projectile. However, the recoil ion spectra also hold the promise that all information can be obtained from the collision system. We performed classical simulation for collision between 50 eV positron and helium atom. We present double differential correlation pattern between the recoil energy and the scattering angle of the recoil ion. We show that unambiguous mapping can be derived between the correlation pattern and the various final states.",
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