Phys. Rev. A 64, 064101 (2001) [4 pages]Calculation of the nuclear spin-dependent parity-nonconserving amplitude for the (7s,F=4)→(7s,F=5) transition in FrReceived 8 July 2001; published 14 November 2001 Many-body calculation of nuclear spin-dependent parity-nonconserving amplitude for 7s,F=4⃗7s,F=5 transition between hyperfine sublevels of the ground state of 211Fr is carried out. The final result is 〈7s,F=5||dPNC||7s,F=4〉=-0.49×10-10iκ a.u., where κ is the dimensionless coupling constant. This is approximately an order of magnitude larger than similar amplitude in Cs. The dominant contribution to κ is associated with the anapole moment of the nucleus. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.64.064101
DOI:
10.1103/PhysRevA.64.064101
PACS:
11.30.Er, 32.80.Ys, 31.30.Jv
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