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:10.1142/9789812813787_0024

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: Chapter in Book/Report/Conference proceeding › Chapter

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 lm(El_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
Title of host publication	Collected Papers of Carl Wieman
Publisher	World Scientific Publishing Co.
Pages	197-201
Number of pages	5
ISBN (Electronic)	9789812813787
ISBN (Print)	9812704159, 9789812704153
DOIs	https://doi.org/10.1142/9789812813787_0024
Publication status	Published - 2008 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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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 lm(ElPnc)/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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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.

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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 lm(ElPnc)/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

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