Studies of inelastic cross-section in Rb(7S) + Rb(5S) collisions

Luo Caiyan*, Aigars Ekers, J. Klavins, M. Jansons

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The cross section σ = (8 ± 4)× 10-15 cm2 was determined for the Rb(7S) + Rb(5S) → Rb(5D) + Rb(5S) excitation energy transfer process, and the quenching cross section σq = (2 ± 1) × 10-14 cm2 for the Rb(5D) state in collisions with ground state Rb atoms. Applying rubidium quasimolecular asymptotic potential curves at relatively large internuclear distances, a qualitative interpretation of the experimental results is presented. It is shown that the quenching of the Rb(5D) atoms in collisions may be explained by a reversed energy pooling process Rb(5D) + Rb(5S) → Rb(5P) + Rb(5P).

Original languageEnglish (US)
Pages (from-to)306-308
Number of pages3
JournalPhysica Scripta
Issue number3
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Mathematical Physics
  • Condensed Matter Physics


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