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Ionisation and charge transfer in collisions of H+ and He2+ with potassium

D S Elliott, M B Shah and H B Gilbody

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A crossed-beam coincidence technique incorporating time-of-flight spectroscopy of the collision products has been used to study charge transfer and ionisation in collisions of H+ and He2+ with potassium atoms within the range 38-2070 keV amu. Separate cross sections for pure ionisation, transfer ionisation and electron capture leading to the formation of up to four-times ionised potassium have been determined and compared with the available theoretical estimates.


PACS

34.70.+e Charge transfer

07.57.-c Infrared, submillimeter wave, microwave and radiowave instruments and equipment

34.80.Dp Atomic excitation and ionization

34.50.Fa Electronic excitation and ionization of atoms (including beam-foil excitation and ionization)

Subjects

Atomic and molecular physics

Instrumentation and measurement

Dates

Issue 20 (28 October 1986)



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