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

Abstract

This paper proposes a new double-nozzle technique for in-gas-jet laser resonance ionization spectroscopy. We explored the functionality of this new technique through detailed gas dynamic and Monte Carlo atom-trajectory simulations, in which results are presented and discussed. The results of similar computer simulations for JetRIS setup (as a typical representative of the conventional in-gas-jet technique nowadays) are also presented and discussed. The direct comparison of calculation results for the proposed new technique with the conventional one shows that the double-nozzle technique has many advantages compared with the 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 in all existing (or under construction) setups for in-gas-jet laser resonance ionization spectroscopy, it will be enough to replace the used supersonic nozzle with the miniature double-nozzle device described in the paper.

The Double-Nozzle Technique Equipped with RF-Only Funnel and RF-Buncher for the Ion Beam Extraction into Vacuum

“…In summary, the calculation results presented in [1] show that the proposed doublenozzle technique has many advantages compared with the one used in the JetRIS setup for future high-resolution laser spectroscopic study of heaviest elements.…”

“…Recently, in our previous paper [1], we proposed a new double-nozzle technique for use in-gas-jet laser resonance ionization spectroscopy. The operation of this original technique was explored by means of computer experiments, which consisted in detailed gas dynamic simulations of the buffer gas flow (inside the gas-stopping cell, double-nozzle and supersonic argon gas jet) and atom-trajectory Monte Carlo simulations.…”

“…The operation of this original technique was explored by means of computer experiments, which consisted in detailed gas dynamic simulations of the buffer gas flow (inside the gas-stopping cell, double-nozzle and supersonic argon gas jet) and atom-trajectory Monte Carlo simulations. The results of these computer simulations were presented and discussed in [1]. In addition, the paper [1] presents the results and discussion of similar computer simulations for the JetRIS project (see, e.g., [2,3]) that is under development at GSI and which is a typical representative of the conventional in-gas-jet technique that is in use or under development nowadays in different laboratories, as described elsewhere [4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

“…The results of these computer simulations were presented and discussed in [1]. In addition, the paper [1] presents the results and discussion of similar computer simulations for the JetRIS project (see, e.g., [2,3]) that is under development at GSI and which is a typical representative of the conventional in-gas-jet technique that is in use or under development nowadays in different laboratories, as described elsewhere [4][5][6][7][8][9][10][11][12][13][14][15][16][17].…”

“…Readers can easily find the detailed description of the double-nozzle technique, as well as the conventional in-gas-jet technique, in, for example, [1] and many links within it.…”