Magnetic-field-stimulated transitions of excited states in fast muonic helium ions

Vladimir S. Melezhik and Peter Schmelcher
Phys. Rev. A 59, 4264 – Published 1 June 1999
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Abstract

It is shown that one can stimulate, by using present day laboratory magnetic fields, transitions between the lm sublevels of fast μHe+ ions formed in muon-catalyzed fusion. Strong fields also cause the self-ionization from highly excited states of such muonic ions. Both effects are the consequence of the interaction of the bound muon with the oscillating field of the Stark term coupling the center-of-mass and muon motions of the μHe+ ion due to the nonseparability of the collective and internal variables in this system. The performed calculations show a possibility to drive the population of the lm sublevels by applying a field of a few tesla, which affects the reactivation rate and is especially important to the Kα x-ray production in muon catalyzed fusion. It is also shown that the 2s2p splitting in μHe+ due to the vacuum polarization slightly decreases the stimulated transition rates.

  • Received 15 October 1998

DOI:https://doi.org/10.1103/PhysRevA.59.4264

©1999 American Physical Society

Authors & Affiliations

Vladimir S. Melezhik1,2 and Peter Schmelcher3

  • 1Joint Institute for Nuclear Research, Dubna, Moscow Region 141980, Russian Federation
  • 2Physique Nucléaire Théorique et Physique Mathématique, Code Postal 229, Université Libre de Bruxelles, B 1050 Brussels, Belgium
  • 3Theoretische Chemie, Institut für Physikalische Chemie, Universität Heidelberg, Im Neuenheimer Feld 229, 69120 Heidelberg, Germany

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Vol. 59, Iss. 6 — June 1999

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