Lamb Shift Studies of Cl16+
This paper describes laser resonance spectroscopy of the Lamb Shift splitting in hydrogenic chlorine . The experiment involved a fast (v/c ≃ 0.1) Cl 17+ beam from the Brookhaven National Laboratory double MP Tandem accelerator facility that had been partially promoted into the excited 2s1/2. metastable state of the one electron ion (Cl 16+). The 2s1/2 —2p1/2, Lamb Shift transition in this ion was driven by the E-field from a powerful CO2 laser. The resonance condition was monitored by detecting the subsequent Lyman-α x-ray emission at 2.96 keV as a function of CO2 laser frequency. Using this technique we have obtained the value, 31.19 ± 0.22 THz, for the Lamb Shift in this hydrogenic ion.
KeywordsParticle Beam Lamb Shift Intersection Angle Measured Transverse Carbon Foil
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- 5.G. W. Erickson: Phys. Rev. Letters. 27, 780 (1971)Google Scholar