Double Electron Processes in Collisions of Partially Stripped Ions C<sup>q+</sup>(q=1-4) with Helium

Chin. Phys. Lett.

2007, Vol. 24

Issue (1): 94-96 DOI:

Original Articles

Double Electron Processes in Collisions of Partially Stripped Ions C^q+(q=1-4) with Helium

DING Bao-Wei¹;CHEN Xi-Meng¹;YU De-Yang²;FU Hong-Bin¹;LIU Zhao-Yuan¹;SUN Guang-Zhi¹;LIU Yu-Wen¹;LU Yan-Xia¹;XIE Jiang-Shan¹;DU Juan¹;GAO Zhi-Min¹;CHEN Lin¹;CUI Ying¹;SHAO Jian-Xiong¹;HE Zi-Feng¹;CAI Xiao-Hong²

¹School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000 ²Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000

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DING Bao-Wei, CHEN Xi-Meng, YU De-Yang et al 2007 Chin. Phys. Lett. 24 94-96

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Abstract The multi-electron processes are investigated for 17.9--120keV/u C¹⁺, 30--323keV/u C²⁺, 120--438keV/u C³⁺, 287--480keV/u C⁴⁺ incident on a helium target. The cross-section ratios of double electron (DE) process to the total of the single electron (SE) and the double electron process (i.e. SE+DE), the direct double electron (DDI) to the direct single ionization (DSI) as well as the contributions of DDI to DE and of TI to DE are measured using coincidence techniques. The energy and charge state dependences of the measured cross-section ratios are studied and discussed.

Keywords: 34.70.+e 34.50.Fa

Published: 01 January 2007

PACS:	34.70.+e	(Charge transfer)
	34.50.Fa	(Electronic excitation and ionization of atoms (including beam-foil excitation and ionization))

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2007/V24/I1/094

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	DING Bao-Wei
	CHEN Xi-Meng
	YU De-Yang
	FU Hong-Bin
	LIU Zhao-Yuan
	SUN Guang-Zhi
	LIU Yu-Wen
	LU Yan-Xia
	XIE Jiang-Shan
	DU Juan
	GAO Zhi-Min
	CHEN Lin
	CUI Ying
	SHAO Jian-Xiong
	HE Zi-Feng
	CAI Xiao-Hong

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