Isotope Shift in the $2 {}^{1}S_{0} - 2 {}^{1}P_{1}$ Line of Helium

14 April 1969

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 22 (15) , 755-757
https://doi.org/10.1103/physrevlett.22.755

Abstract

The isotope shift in the

2 {}^{1}S_{0} - 2 {}^{1}P_{1}

(2.06-μ) 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.

Keywords

This publication has 11 references indexed in Scilit:

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Isotope Shift in the2S01−2P11Line of Helium

Abstract

Keywords

Isotope Shift in the $2 {}^{1}S_{0} - 2 {}^{1}P_{1}$ Line of Helium