Observation of Radiative Double Electron Capture for Fluorine Ions on Nitrogen and Neon

Observation of Radiative Double Electron Capture for Fluorine Ions on Nitrogen and Neon
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氮和氖上氟离子的辐射双电子捕获观察

DOI:
10.1088/1742-6596/875/2/012014
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发表时间:
2017
期刊:
Journal of Physics: Conference Series
影响因子:
--
通讯作者:
Tanis, J A
Tanis, J A
中科院分区:
--
文献类型:
--
作者:
La Mantia, D S;Kumara, P N;Niraula, P M;Iqbal, S;Bridges, M C;Kayani, A;Simon, A;Tanis, J A

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研究了2.11MeV/u的氟离子(F8+和F9+)与气态N2和Ne碰撞过程中双电子俘获和单光子同时发射(RDEC),并确定了碰撞截面的上限.测量是在西密歇根大学使用串列货车德格拉夫加速器进行的。初步分析表明,两个目标的F 9+的RDEC横截面是非常接近的幅度和以前记录的横截面相比,完全剥离的离子与薄箔目标碰撞。可观察的RDEC捕获的状态进行了讨论,以及未来的工作。
The capture of two electrons accompanied by the simultaneous emission of a single photon (RDEC) has been investigated for 2.11 MeV/u fluorine ions (F 8+ and F 9+) colliding with gaseous N 2 and Ne and upper limits on the cross sections are determined. The measurements were performed at Western Michigan University using the tandem Van de Graaff accelerator. Preliminary analysis indicates that the RDEC cross sections for F 9+ for both targets are very close in magnitude and comparable to previously recorded cross sections for fully-stripped ions colliding with thin-foil targets. The states of observable RDEC capture are discussed, as well as future work.
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