Measurement of parity nonconservation and an anapole moment in cesium

C. S. Wood; S. C. Bennett; D. Cho; B. P. Masterson; J. L. Roberts; C. E. Tanner; C. E. Wieman

doi:10.1126/science.275.5307.1759

Measurement of parity nonconservation and an anapole moment in cesium

C. S. Wood, S. C. Bennett, D. Cho, B. P. Masterson, J. L. Roberts, C. E. Tanner, C. E. Wieman

Department of Physics

Research output: Contribution to journal › Article › peer-review

1005 Citations (Scopus)

Abstract

The amplitude of the parity-nonconserving transition between the 6S and 7S states of cesium was precisely measured with the use of a spin-polarized atomic beam. This measurement gives Im(E1(pnc))/β = - 1.5935(56) millivolts per centimeter and provides an improved test of the standard model at low energy, including a value for the S parameter of - 1.3(3)(exp) (11)(theory). The nuclear spin- dependent contribution was 0.077(11) millivolts per centimeter; this contribution is a manifestation of parity violation in atomic nuclei and is a measurement of the long-sought anapole moment.

Original language	English
Pages (from-to)	1759-1763
Number of pages	5
Journal	Science
Volume	275
Issue number	5307
DOIs	https://doi.org/10.1126/science.275.5307.1759
Publication status	Published - 1997 Mar 21

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title = "Measurement of parity nonconservation and an anapole moment in cesium",

abstract = "The amplitude of the parity-nonconserving transition between the 6S and 7S states of cesium was precisely measured with the use of a spin-polarized atomic beam. This measurement gives Im(E1(pnc))/β = - 1.5935(56) millivolts per centimeter and provides an improved test of the standard model at low energy, including a value for the S parameter of - 1.3(3)(exp) (11)(theory). The nuclear spin- dependent contribution was 0.077(11) millivolts per centimeter; this contribution is a manifestation of parity violation in atomic nuclei and is a measurement of the long-sought anapole moment.",

author = "Wood, {C. S.} and Bennett, {S. C.} and D. Cho and Masterson, {B. P.} and Roberts, {J. L.} and Tanner, {C. E.} and Wieman, {C. E.}",

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T1 - Measurement of parity nonconservation and an anapole moment in cesium

AU - Wood, C. S.

AU - Bennett, S. C.

AU - Cho, D.

AU - Masterson, B. P.

AU - Roberts, J. L.

AU - Tanner, C. E.

AU - Wieman, C. E.

PY - 1997/3/21

Y1 - 1997/3/21

N2 - The amplitude of the parity-nonconserving transition between the 6S and 7S states of cesium was precisely measured with the use of a spin-polarized atomic beam. This measurement gives Im(E1(pnc))/β = - 1.5935(56) millivolts per centimeter and provides an improved test of the standard model at low energy, including a value for the S parameter of - 1.3(3)(exp) (11)(theory). The nuclear spin- dependent contribution was 0.077(11) millivolts per centimeter; this contribution is a manifestation of parity violation in atomic nuclei and is a measurement of the long-sought anapole moment.

AB - The amplitude of the parity-nonconserving transition between the 6S and 7S states of cesium was precisely measured with the use of a spin-polarized atomic beam. This measurement gives Im(E1(pnc))/β = - 1.5935(56) millivolts per centimeter and provides an improved test of the standard model at low energy, including a value for the S parameter of - 1.3(3)(exp) (11)(theory). The nuclear spin- dependent contribution was 0.077(11) millivolts per centimeter; this contribution is a manifestation of parity violation in atomic nuclei and is a measurement of the long-sought anapole moment.

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Measurement of parity nonconservation and an anapole moment in cesium

Abstract

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