Heteronuclear collisions between laser-cooled metastable neon atoms

Jan Schütz, Thomas Feldker, Holger John, and Gerhard Birkl
Phys. Rev. A 86, 022713 – Published 24 August 2012

Abstract

We investigate heteronuclear collisions in isotope mixtures of laser-cooled metastable (3P2) neon. Experiments are performed with spin-polarized atoms in a magnetic trap for all two-isotope combinations of the stable neon isotopes 20Ne, 21Ne, and 22Ne. We determine the rate coefficients for heteronuclear ionizing collisions to β21,20=(3.9±2.7)×1011 cm3/s, β22,20=(2.6±0.7)×1011 cm3/s, and β21,22=(3.9±1.9)×1011 cm3/s. We also study heteronuclear elastic collision processes and give upper bounds for heteronuclear thermal relaxation cross sections. This work significantly extends the limited available experimental data on heteronuclear ionizing collisions for laser-cooled atoms involving one or more rare gas atoms in a metastable state.

  • Figure
  • Figure
  • Received 20 July 2012

DOI:https://doi.org/10.1103/PhysRevA.86.022713

©2012 American Physical Society

Authors & Affiliations

Jan Schütz, Thomas Feldker, Holger John, and Gerhard Birkl*

  • Institut für Angewandte Physik, Technische Universität Darmstadt, Schlossgartenstraße 7, D-64289 Darmstadt, Germany

  • *gerhard.birkl@physik.tu-darmstadt.de

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Issue

Vol. 86, Iss. 2 — August 2012

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