Optical pumping of ions in buffer gases |
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Authors: | E W Weber |
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Institution: | 1. I. Physikalisches Institut der Universit?t Heidelberg, Deutschland
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Abstract: | A method for polarizing thermal ions in buffer gases directly by optical pumping is presented in detail. The production and storage of Sr+ (and Ba+) ions in noble gases, their diffusion and relevant collision processes are discussed. An arc discharge hollow cathode for the generation of intense ionic resonance lines is described. The Sr+ (52 S 1/2) and electron spin polarizations are treated by rate equations. Fitting the solutions to experimental data obtained from transient signals yields an estimate of a few times 103Å2 for the Sr+ion-electron spin exchange cross section. |
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