Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms

Standard

Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms. / Shabaev, V. M.; Tupitsyn, I. I.; Pachucki, K.; Plunien, G.; Yerokhin, V. A.

в: Physical Review A - Atomic, Molecular, and Optical Physics, Том 72, № 6, 062105, 01.12.2005.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Author

Shabaev, V. M. ; Tupitsyn, I. I. ; Pachucki, K. ; Plunien, G. ; Yerokhin, V. A. / Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms. в: Physical Review A - Atomic, Molecular, and Optical Physics. 2005 ; Том 72, № 6.

BibTeX

@article{8c75c040fe48479483d8d22a9d70688e,

title = "Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms",

abstract = "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 αZ using a local form of the Dirac-Fock potential. The calculations are performed in both length and velocity gauges for the absorbed photon and the total binding QED correction is found to be -0.27(3)% for Cs and -0.28(5)% for Fr. Moreover, a high-precision calculation of the electron-correlation and Breit-interaction effects on the 7s-8s PNC amplitude in francium using a large-scale configuration-interaction Dirac-Fock method is performed. The obtained results are employed to improve the theoretical predictions for the PNC transition amplitude in Cs and Fr. Using an average value from two most accurate measurements of the vector transition polarizability, the weak charge of Cs133 is derived to amount to QW=-72.65(29)exp(36)theor. This value deviates by 1.1σ from the prediction of the standard model. The values of the 7s-8s PNC amplitude in Fr223 and Fr210 are obtained to be -15.49(15) and -14.16(14), respectively, in units of i×10-11(-QW) a.u.",

author = "Shabaev, {V. M.} and Tupitsyn, {I. I.} and K. Pachucki and G. Plunien and Yerokhin, {V. A.}",

year = "2005",

month = dec,

day = "1",

doi = "10.1103/PhysRevA.72.062105",

language = "English",

volume = "72",

journal = "Physical Review A - Atomic, Molecular, and Optical Physics",

issn = "1050-2947",

publisher = "American Physical Society",

number = "6",

}

RIS

TY - JOUR

T1 - Radiative and correlation effects on the parity-nonconserving transition amplitude in heavy alkali-metal atoms

AU - Shabaev, V. M.

AU - Tupitsyn, I. I.

AU - Pachucki, K.

AU - Plunien, G.

AU - Yerokhin, V. A.

PY - 2005/12/1

Y1 - 2005/12/1

N2 - 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 αZ using a local form of the Dirac-Fock potential. The calculations are performed in both length and velocity gauges for the absorbed photon and the total binding QED correction is found to be -0.27(3)% for Cs and -0.28(5)% for Fr. Moreover, a high-precision calculation of the electron-correlation and Breit-interaction effects on the 7s-8s PNC amplitude in francium using a large-scale configuration-interaction Dirac-Fock method is performed. The obtained results are employed to improve the theoretical predictions for the PNC transition amplitude in Cs and Fr. Using an average value from two most accurate measurements of the vector transition polarizability, the weak charge of Cs133 is derived to amount to QW=-72.65(29)exp(36)theor. This value deviates by 1.1σ from the prediction of the standard model. The values of the 7s-8s PNC amplitude in Fr223 and Fr210 are obtained to be -15.49(15) and -14.16(14), respectively, in units of i×10-11(-QW) a.u.

AB - 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 αZ using a local form of the Dirac-Fock potential. The calculations are performed in both length and velocity gauges for the absorbed photon and the total binding QED correction is found to be -0.27(3)% for Cs and -0.28(5)% for Fr. Moreover, a high-precision calculation of the electron-correlation and Breit-interaction effects on the 7s-8s PNC amplitude in francium using a large-scale configuration-interaction Dirac-Fock method is performed. The obtained results are employed to improve the theoretical predictions for the PNC transition amplitude in Cs and Fr. Using an average value from two most accurate measurements of the vector transition polarizability, the weak charge of Cs133 is derived to amount to QW=-72.65(29)exp(36)theor. This value deviates by 1.1σ from the prediction of the standard model. The values of the 7s-8s PNC amplitude in Fr223 and Fr210 are obtained to be -15.49(15) and -14.16(14), respectively, in units of i×10-11(-QW) a.u.

UR - http://www.scopus.com/inward/record.url?scp=28944446276&partnerID=8YFLogxK

U2 - 10.1103/PhysRevA.72.062105

DO - 10.1103/PhysRevA.72.062105

M3 - Article

AN - SCOPUS:28944446276

VL - 72

JO - Physical Review A - Atomic, Molecular, and Optical Physics

JF - Physical Review A - Atomic, Molecular, and Optical Physics

SN - 1050-2947

IS - 6

M1 - 062105

ER -

ID: 35330571