Test of electron screening and vacuum polarization in heavy muonic atoms |
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Authors: | J L Vuilleumier W Dey R Engfer H Schneuwly H K Walter A Zehnder |
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Institution: | 1. Laboratorium für Hochenergiephysik der ETH-Zürich, 5234, Villigen, Switzerland 2. Physik-Institut der Universit?t Zürich, Switzerland 3. Institut der Physique, Université Fribourg, Suisse
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Abstract: | Energies of higherΜ X-rays have been measured in103Rh,natHg and203Tl to test the vacuum polarization correction and the electron screening effect in heavy muonic atoms. For tests of the energy calibration delayed nuclearγ-rays from theΜ-capture reaction were used. The experimental data agree to better than 4% with self-consistent Hartree-Fock calculations of the electron screening. Transitions which are sensitive to the vacuum polarization correction mainly, verify the calculations to better than 1.5%. Comparing all at present existing experiments with latest calculations no significant deviation of more than 0.7% of the vacuum polarization correction can be deduced. |
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