• Corpus ID: 235694426

Precision Measurement of the Helium $2^{3\!}S_1- 2^{3\!}P/3^{3\!}P$ Tune-Out Frequency as a Test of QED

@inproceedings{Henson2021PrecisionMO,
  title={Precision Measurement of the Helium \$2^\{3\!\}S\_1- 2^\{3\!\}P/3^\{3\!\}P\$ Tune-Out Frequency as a Test of QED},
  author={Bryce M. Henson and Jacob A. Ross and K. F. Thomas and Carlos C. N. Kuhn and D K Shin and Sean S. Hodgman and Yong-hui Zhang and Li-Yan Tang and G. W. F. Drake and Aaron Bondy and Andrew G. Truscott and Kenneth G. H. Baldwin},
  year={2021}
}
B. M. Henson, ∗ J. A. Ross, ∗ K. F. Thomas, C. N. Kuhn, D. K. Shin, S. S. Hodgman, Yong-Hui Zhang, Li-Yan Tang, † G. W. F. Drake, ‡ A. T. Bondy, A. G. Truscott, § and K. G. H. Baldwin ¶ Laser Physics Centre, Research School of Physics, The Australian National University, Canberra, ACT 2601, Australia Center for Quantum and Optical Science, Swinburne University of Technology, Melbourne, Australia State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Innovation Academy for… 

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TLDR
In combination with ongoing theoretical calculations, this work may allow the most accurate determination of the nuclear charge radius of helium.
Precision measurement of the 87 Rb tune-out wavelength in the hyperfine ground state F =1 at 790 nm
We report on a precision measurement of the $D$ line tune-out wavelength of $^{87}$Rubidium in the hyperfine ground state $|F=1, m_F=0,\pm1 \rangle$ manifold at 790 nm, where the scalar ac Stark
Tune-out wavelength around 413 nm for the helium 2 3 S 1 state including relativistic and finite-nuclear-mass corrections
The tune-out wavelength at 413 nm for the 2 S-3(1) state of helium is expected to be sensitive to finite nuclear mass, relativistic, and quantum electrodynamic (QED) corrections, which provides a
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TLDR
A new measurement of the ionization energy of the 2 ^{1}S_{0} state of He is presented, which reveals disagreements with the α^{7}m Lamb shift prediction by 6.5σ and 10σ, which hinders the determination of the He^{2+} charge radius from atomic spectroscopy.
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Comparison of high accuracy calculations with precision measurement of the 413 nm tune-out wavelength of the He($2\,^3S_1$) state provides a unique test of quantum electro-dynamic (QED). We perform
The Variational Calculation of the 413 nm 4He Tune-out Wavelength
A tune-out wavelength of an atom is a wavelength of radiation such that the atom’s polarizability vanishes [1]. It can be used as an alternative to inducing energy shifts for the purpose of testing
High-precision measurements of the 87 Rb D -line tune-out wavelength
We report an experimental measurement of a light wavelength at which the ac electric polarizability equals zero for 87Rb atoms in the F=2 ground hyperfine state. The experiment uses a condensate
Precision spectroscopy of helium in a magic wavelength optical dipole trap
Improvements in both theory and frequency metrology of few-electron systems such as hydrogen and helium have enabled increasingly sensitive tests of quantum electrodynamics, as well as ever more
Precision Measurement for Metastable Helium Atoms of the 413 nm Tune-Out Wavelength at Which the Atomic Polarizability Vanishes.
TLDR
The measured tune-out wavelength of 413.0938(9_{stat})(20_{syst}) nm compares well with the value predicted by a theoretical calculation which is sensitive to finite nuclear mass, relativistic, and quantum electrodynamic effects.
QED calculation of the dipole polarizability of helium atom
The QED contribution to the dipole polarizability of the $^{4}\mathrm{He}$ atom was computed, including the effect of finite nuclear mass. The computationally most challenging contribution of the
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