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Radiative Corrections and Parity Nonconservation in Heavy Atoms

A. I. Milstein, O. P. Sushkov, and I. S. Terekhov
Phys. Rev. Lett. 89, 283003 – Published 31 December 2002

Abstract

The self-energy and the vertex radiative corrections to the effect of parity nonconservation in heavy atoms are calculated analytically in orders Zα2 and Z2α3ln(λC/r0), where λC and r0 are the Compton wavelength and the nuclear radius, respectively. The sum of the radiative corrections is 0.85% for Cs and 1.41% for Tl. Using these results, we have performed analysis of the experimental data on atomic parity nonconservation. The values obtained for the nuclear weak charge, QW=72.90(28)exp(35)theor for Cs, and QW=116.7(1.2)exp(3.4)theor for Tl, agree with predictions of the standard model. As an application of our approach, we have also calculated analytically the dependence of the Lamb shift on the finite size of the nucleus.

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  • Received 25 August 2002

DOI:https://doi.org/10.1103/PhysRevLett.89.283003

©2002 American Physical Society

Authors & Affiliations

A. I. Milstein

  • Budker Institute of Nuclear Physics, 630090 Novosibirsk, Russia

O. P. Sushkov

  • School of Physics, University of New South Wales, Sydney 2052, Australia

I. S. Terekhov

  • Novosibirsk University, 630090 Novosibirsk, Russia

See Also

QED Radiative Corrections to Parity Nonconservation in Heavy Atoms

M. Yu. Kuchiev and V. V. Flambaum
Phys. Rev. Lett. 89, 283002 (2002)

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Vol. 89, Iss. 28 — 31 December 2002

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