Absolute cross sections for dissociative electron attachment to HCCCN

被引：12
|
作者：
Gilmore, T. D. [1 ]
Field, T. A. [1 ]
机构：
[1] Queens Univ Belfast, Ctr Plasma Phys, Sch Maths & Phys, Belfast BT7 1NN, Antrim, North Ireland
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2015年 / 48卷 / 03期
关键词：
dissociative electron attachment; absolute cross sections; HCCCN; cyanoacetylene; propiolonitrile; BEB electron impact ionization cross section; IMPACT IONIZATION; MOLECULES; COLLISIONS; IONS; HC3N;
D O I：
10.1088/0953-4075/48/3/035201
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
New absolute cross sections for dissociative electron attachment to HCCCN (cyanoacetylene or propiolonitrile) in the range of 0-10 eV electron energy are presented here, which have been determined from a new analysis of previously reported data (Graupner et al 2006 New J. Phys. 8 117). The highest cross sections are observed for the formation of CN- at 5.3 eV and CCCN- at 5.1 eV; approximately 0.06 angstrom(2) and 0.05 angstrom(2) respectively. As part of the re-analysis, it was necessary to determine absolute cross sections for electron-impact ionization of HCCCN with the binary-encounter Bethe method. These electron-impact ionization absolute cross sections for HCCCN are also presented here; the maximum value was found to be similar to 6.6 angstrom(2) at similar to 80 eV.
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页数：5
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