Collision-induced dipole transition due to long-range interaction in calcium-xenon system

Kiyoshi Ueda, Kuniya Fukuda

Research output: Contribution to journalArticlepeer-review


For calcium in high-density xenon (≤5×1018 cm-3) a collision-induced dipole (CID) transition 4s2-4s3d arising from the successive application of the quadrupole-dipole interaction and the radiative perturbation has been observed by absorption technique. As for the 4s2-4s3d electric-quadrupole transition of calcium the absorption oscillator strength and the collisional half width per unit xenon density have been determined to be 7.8×10-7 and 2.1×10-10 cm3s-1, respectively. Theoretical calculation by the use of these values gives the absorption coefficient for the CID transition in reasonable agreement with the observation.

Original languageEnglish
Pages (from-to)1047-1048
Number of pages2
Journaljournal of the physical society of japan
Issue number3
Publication statusPublished - 1980 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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