Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Proposal of a New Double-Nozzle Technique for In-Gas-Jet Laser Resonance Ionization Spectroscopy

Version 1 : Received: 12 April 2023 / Approved: 12 April 2023 / Online: 12 April 2023 (07:30:00 CEST)

A peer-reviewed article of this Preprint also exists.

Varentsov, V. Proposal of a New Double-Nozzle Technique for In-Gas-Jet Laser Resonance Ionization Spectroscopy. Atoms 2023, 11, 88. Varentsov, V. Proposal of a New Double-Nozzle Technique for In-Gas-Jet Laser Resonance Ionization Spectroscopy. Atoms 2023, 11, 88.

Abstract

In this paper a new double-nozzle technique for in-gas-jet laser resonance ionization spectroscopy is proposed. The functionality of this new technique we explored by detailed gas dynamic and Monte Carlo atom-trajectory simulations, which results are presented and discussed. The results of similar computer simulations for JetRIS setup (as a typical representative of the conventional nowadays in-gas-jet technique) are presented and discussed as well. The direct comparison of calculation results for proposed new technique with the conventional one shows that the double-nozzle technique has many advantages compared with that one used in the JetRIS setup at GSI for future high-resolution laser spectroscopic study of heaviest elements. To fully implement the proposed new technique to all existing (or under construction) setups for in-gas-jet laser resonance ionization spectroscopy, it will be enough just replace the used their supersonic nozzle by the miniature double-nozzle device described in the paper.

Keywords

radioactive atomic beams; gas stopping cell; supersonic gas jet; in-gas-jet laser resonance ionization spectroscopy; double-nozzle technique; gas dynamic and Monte Carlo simulations

Subject

Physical Sciences, Atomic and Molecular Physics

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