Determination of the lifetime of D 2  −  and HD −  ions

V. A. Belyaev; D. A. Kozlov; A. A. Terent’ev; A. E. Trenin

doi:10.1134/S1063780X17100014

Determination of the lifetime of D₂⁻ and HD⁻ ions

Autores: Belyaev V.¹, Kozlov D.¹, Terent’ev A.¹, Trenin A.¹
Afiliações:
1. National Research Center “Kurchatov Institute,”
Edição: Volume 43, Nº 10 (2017)
Páginas: 1039-1041
Seção: Brief Communications
URL: https://journals.rcsi.science/1063-780X/article/view/186267
DOI: https://doi.org/10.1134/S1063780X17100014
ID: 186267

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Resumo

A method for determining the lifetime of unstable ions is described. The method is based on measuring the decrease in the ion beam current onto a fixed detector with increasing path length of the ion beam from the ion source to the detector. The measurements performed for D⁻₂ and HD⁻ molecular ions have shown that their lifetimes are 3.5 ± 0.1 and 4.4 ± 0.1 μs, respectively.