Publication
Physical Review Letters
Paper

Isotope shift in the 2S01-2P11 line of helium

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Abstract

The isotope shift in the 2S01-2P11 (2.06) line of helium has been measured for the first time and found to be 4200 140 MHz. This measurement is a sensitive test of the mass-polarization contribution to the isotope shift and is found to be in excellent agreement with the calculations of Pekeris. © 1969 The American Physical Society.

Date

14 Apr 1969

Publication

Physical Review Letters

Authors

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