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Related papers: Parity non-conservation in thallium

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We have calculated the 6s-7s parity nonconserving E1 transition amplitude (E_{PNC}) in cesium. This calculation has been performed with higher numerical accuracy than our 1989 calculation [V.A. Dzuba, V.V. Flambaum, and O.P. Sushkov, Phys.…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

We have calculated the 6s-7s parity nonconserving (PNC) E1 transition amplitude, E_{PNC}, in cesium. We have used an improved all-order technique in the calculation of the correlations and have included all significant contributions to…

High Energy Physics - Phenomenology · Physics 2009-08-18 V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

The atomic parity non-conservation(PNC) experiments has reached accuracies which have important implications for physics beyond the standard model. An optical rotation experiment to measure the atomic PNC of the 3P1(6s6p)--1P1(6s6p) in Yb…

Atomic Physics · Physics 2007-05-23 Angom Dilip Singh , Bhanu Pratap Das

We present accurate {\em ab initio} non-perturbative calculations of the Breit correction to the parity non-conserving (PNC) amplitudes of the $6s-7s$ and $6s-5d_{3/2}$ transitions in Cs, $7s-8s$ and $7s-6d_{3/2}$ transitions in Fr,…

Atomic Physics · Physics 2009-11-11 V. A. Dzuba , V. V. Flambaum , M. S. Safronova

Currently the theoretical uncertainty limits the interpretation of the atomic parity non-conservation (PNC) measurements. We calculate the PNC $5s$ - $6s$ electric dipole transition amplitude in rubidium and demonstrate that rubidium is a…

Atomic Physics · Physics 2013-05-14 V. A. Dzuba , V. V. Flambaum , B. Roberts

We have calculated parity nonconserving 7s - 6d_{3/2} amplitude E_PNC in 223Ra+ using high-precision relativistic all-order method where all single and double excitations of the Dirac-Fock wave functions are included to all orders of…

Atomic Physics · Physics 2015-05-13 Rupsi Pal , Dansha Jiang , M. S. Safronova , U. I. Safronova

We consider parity nonconservation (PNC) in singly ionized ytterbium (Yb+) arising from the neutral current weak interaction. We calculate the PNC electric dipole transition amplitude (E1_PNC) and the properties associated with it using the…

Atomic Physics · Physics 2015-05-28 B. K. Sahoo , B. P. Das

We report a measurement of the transition amplitude ratio $\chi$ of an electric quadrupole ($E2$) to a magnetic dipole ($M1$) of the $6P_{1/2}\rightarrow6P_{3/2}$ transition in atomic thallium. We utilized the electromagnetically induced…

Atomic Physics · Physics 2023-01-11 Wei Ling Chen , Wei Min Hsu , Li Bang Wang , Yi Wei Liu

The dominant one-loop radiative corrections to atomic wave functions, those associated with vacuum polarization in the nuclear Coulomb field, are evaluated for the 6s-7s parity-nonconserving (PNC) transition amplitude in 133Cs. These…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. R. Johnson , I Bednyakov , G. Soff

We have further developed and extended a method for calculation of atomic properties based on a combination of the configuration interaction and coupled-cluster approach. We have applied this approach to the calculation of different…

Atomic Physics · Physics 2016-01-13 S. G. Porsev , M. G. Kozlov , M. S. Safronova , I. I. Tupitsyn

The complete gauge-invariant set of the one-loop QED corrections to the parity-nonconserving (PNC) amplitude in cesium and francium is evaluated to all orders in $\alpha Z$ using a local form of the Dirac-Fock potential. The calculations…

Atomic Physics · Physics 2009-11-11 V. M. Shabaev , I. I. Tupitsyn , K. Pachucki , G. Plunien , V. A. Yerokhin

The self-energy and vertex QED radiative corrections to the parity nonconservation (PNC) amplitude in atoms are obtained using the perturbation theory in powers of (alpha Z). The calculated linear in (alpha Z) term gives -0.6 % for the PNC…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Yu. Kuchiev

The self-energy and the vertex radiative corrections to the effect of parity nonconservation in heavy atoms are calculated analytically in orders Z alpha^2 and Z^2 alpha^3 ln(lambda_C/r_0), where lambda_C and r_0 being the Compton…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. I. Milstein , O. P. Sushkov , I. S. Terekhov

We calculate the parity non-conserving (PNC) electric-dipole ($E1$) transition amplitudes for the $5s - 6s$ and $5s - 4d_{3/2}$ transitions in Rb and Sr$^+$. Our results include both the nuclear-spin-independent and nuclear-spin-dependent…

Atomic Physics · Physics 2026-05-15 V. A. Dzuba , V. V. Flambaum , G. K. Vong

We report on a theoretical analysis of the suitability of the 7s 2S1/2 <-> 6d 2D3/2 transition in singly ionized radium to measure parity nonconservation, in the light of an experiment planned at the KVI of the University of Groningen.…

Atomic Physics · Physics 2008-08-04 L. W. Wansbeek , B. K. Sahoo , R. G. E. Timmermans , K. Jungmann , B. P. Das , D. Mukherjee

We calculated the parity nonconserving (PNC) 6s -> 7s amplitude in Cs. In the Dirac-Coulomb approximation our result is in a good agreement with other calculations. Breit corrections to the PNC amplitude and to the Stark-induced amplitude…

Atomic Physics · Physics 2009-11-07 M. G. Kozlov , S. G. Porsev , I. I. Tupitsyn

Parity nonconservation amplitudes are calculated for the 7s-6d transitions of the francium isoelectronic sequence (Fr, Ra +, Ac 2+, Th 3+, Pa 4+, U 5+ and Np 6+) and for the 6s-5d transitions of the cesium isoelectronic sequence (Cs, Ba +,…

Atomic Physics · Physics 2014-03-20 B. M. Roberts , V. A. Dzuba , V. V. Flambaum

Our improved calculation of the nuclear spin-independent parity violating electric dipole transition amplitude ($E1_{PV}$) for $6s ~ ^2S_{1/2} - 7s ~ ^2S_{1/2}$ in $^{133}$Cs in combination with the most accurate (0.3\%) measurement of this…

High Energy Physics - Phenomenology · Physics 2021-06-30 B. K. Sahoo , B. P. Das , H. Spiesberger

A semi-empirical calculation of the 6s - 7s Stark amplitude $\alpha$ in Cs has been performed using the most accurate measurements and calculations of the electromagnetic amplitudes available. This is then used to extract the parameters of…

High Energy Physics - Phenomenology · Physics 2009-08-18 V. A. Dzuba , V. V. Flambaum , O. P. Sushkov

We apply the sum-over-states approach to calculate partial contributions to the parity non-conservation (PNC) in cesium [Porsev {\em et al}, Phys. Rev. D {\bf 82}, 036008 (2010)]. We have found significant corrections to two non-dominating…

High Energy Physics - Phenomenology · Physics 2013-05-14 V. A. Dzuba , J. C. Berengut , V. V. Flambaum , B. Roberts
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