Reevaluation of the role of nuclear uncertainties in experiments on atomic parity violation with isotopic chains

Andrei Derevianko and Sergey G. Porsev
Phys. Rev. A 65, 052115 – Published 6 May 2002
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Abstract

In light of new data on neutron distributions from experiments with antiprotonic atoms [Trzcinska et al., Phys. Rev. Lett. 87, 082501 (2001)], we reexamine the role of nuclear-structure uncertainties in the interpretation of measurements of parity violation in atoms using chains of isotopes of the same element. With these new nuclear data, we find an improvement in the sensitivity of isotopic chain measurements to “new physics” beyond the standard model. We compare possible constraints on “new physics” with the most accurate to date single-isotope probe of parity violation in the Cs atom. We conclude that presently isotopic chain experiments employing atoms with nuclear charges Z50 may result in more accurate tests of the weak interaction.

  • Received 10 December 2001

DOI:https://doi.org/10.1103/PhysRevA.65.052115

©2002 American Physical Society

Authors & Affiliations

Andrei Derevianko* and Sergey G. Porsev

  • Department of Physics, University of Nevada, Reno, Nevada 89557

  • *Email address: andrei@unr.edu
  • Permanent address: Petersburg Nuclear Physics Institute, Gatchina, Leningrad District, 188300, Russia.

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Vol. 65, Iss. 5 — May 2002

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