Branching ratios in dissociative recombination of the C2H2+ molecular ion

被引：54

作者：

Derkatch, AM

Al-Khalili, A

Vikor, L

Neau, A

Shi, W

Danared, H

af Ugglas, M

Larsson, M

机构：

[1] Univ Stockholm, Dept Phys, S-11385 Stockholm, Sweden

[2] Stockholm Univ, Manne Siegbahn Lab, S-10405 Stockholm, Sweden

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1999年 / 32卷 / 14期

关键词：

D O I：

10.1088/0953-4075/32/14/309

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Branching ratios in dissociative recombination of C2H2+ molecular ions with electrons were measured using the CRYRING heavy-ion storage ring. We have determined complete branching ratios for C2H2+ at collision energies between 0 and 7.4 meV. We found dissociative recombination of C2H2+ to be dominated by the two-body C2H + H and three-body C-2 + H + H channels, with branching ratios of 0.50 +/- 0.06 and 0.30 +/- 0.05, respectively. The branching to CH + CH was measured to be 0.13 +/- 0.01, whereas two other energetically allowed channels were found to be almost negligible.

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页码：3391 / 3398

页数：8

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