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Title: Probing CP violation with the electric dipole moment of atomic mercury
Authors: Latha, K. V. P
Angom, D
Das, B. P
Mukherjee, D
Keywords: Probing CP Violation;Electric Dipole Moment;Atomic Mercury;Standard Model;Supersymmetry;Physics;Meson;ODD;HG
Issue Date: 21-Aug-2009
Publisher: The American Physical Society
Citation: Physical Review Letters, Vol. 103, No 8, pp. 083001-1 - 083001-4
Abstract: The electric dipole moment of atomic Hg-199 induced by the nuclear Schiff moment and the tensor-pseudotensor electron-nucleus interactions are calculated. For this, we develop and employ a novel method based on the relativistic coupled-cluster theory. The results of our theoretical calculations, combined with the latest experimental result of the Hg-199 electric dipole moment, provide new bounds on the T reversal or CP violation parameters theta(QCD), the tensor-pseudotensor coupling constant C-T, and (d approximate to(u)-d approximate to(d)). This is the most accurate calculation of these parameters to date. We highlight the crucial role of electron correlation effects in their interplay with the P, T violating interactions. Our results demonstrate substantial changes in the results of earlier calculations of these parameters which can be attributed to the more accurate inclusion of important correlation effects.
ISSN: 0031-9007
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Appears in Collections:IIAP Publications

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