Investigation of the transfer ionization process in collisions of partially stripped ions on He

doi:10.1088/1674-1056/19/6/063404

Abstract In this paper a projectile ion-recoil ion coincidence technique is used to investigate the transfer ionization processes in collisions of 0.22--6.30~MeV C$^{q + }$ ions and 0.25--6.35~MeV O$^{q + }$ ions ($q$ = 1, 2, 3, 4) with the He atom separately. The cross section ratio f of transfer ionization to single electron transfer is measured, and the dependence of f on both charge state q and energy E of the projectiles is investigated. The electron-structure and the mechanisms leading to transfer ionization affect the dependence of f on q and E. Our measurements, along with other data published previously, suggest a similar dependence of f on charge state and energy of projectile for partially stripped ions over a large energy range. The maximum value of f is approximately 0.17$q^{0.60}$; the energy corresponding to maximum f is about 160$q^{0.60}$~keV/u.

Keywords: ion--atom collision transfer ionization single electron transfer

Received: 30 June 2009
Accepted manuscript online:

PACS:	34.50.Gb	(Electronic excitation and ionization of molecules)
	34.70.+e	(Charge transfer)

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Liu Hui-Ping(刘会平), Chen Xi-Meng(陈熙萌), Ouyang Xiao-Ping(欧阳晓平), Xi Fa-Yuan(席发元), and Su Guang-Hui(苏光辉) Investigation of the transfer ionization process in collisions of partially stripped ions on He 2010 Chin. Phys. B 19 063404

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Investigation of the transfer ionization process in collisions of partially stripped ions on He

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