(Q56555218)

The Occurrence of He 3 in Natural Sources of Helium

21 January 2018

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Proton structure from the measurement of 2S-2P transition frequencies of muonic hydrogen.

21 January 2018

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Tenth-Order QED Contribution to the Electron g − 2 and an Improved Value of the Fine Structure Constant

21 January 2018

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The Ame2012 atomic mass evaluation

21 January 2018

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Improved measurement results for the Avogadro constant using a28Si-enriched crystal

21 January 2018

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New Determination of the Fine Structure Constant and Test of the Quantum Electrodynamics

21 January 2018

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21 January 2018

The proton radius puzzle

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The 1973 Least‐Squares Adjustment of the Fundamental Constants

21 January 2018

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Absolute Frequency Measurement of the2S−8S/DTransitions in Hydrogen and Deuterium: New Determination of the Rydberg Constant

21 January 2018

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A low-uncertainty measurement of the Boltzmann constant

21 January 2018

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One-Particle Measurement of the Antiproton Magnetic Moment

21 January 2018

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Frequency ratio of two optical clock transitions in 171Yb+ and constraints on the time variation of fundamental constants.

21 January 2018

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Measurement of Newton's Constant Using a Torsion Balance with Angular Acceleration Feedback

21 January 2018

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New Measurement of the Electron Magnetic Moment and the Fine Structure Constant

21 January 2018

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Proton radius from electron scattering data

21 January 2018

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Alternative approach to the standardization of NMR spectra. Direct measurement of nuclear magnetic shielding in molecules

21 January 2018

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21 January 2018

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Measurement of the gravitational constant with a torsion balance

21 January 2018

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A Realization of the SI Watt by the NPL Moving-coil Balance

21 January 2018

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A clock directly linking time to a particle's mass

21 January 2018

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Precise measurement of thee+e−→π+π−(γ)cross section with the initial-state radiation method atBABAR

21 January 2018

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21 January 2018

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21 January 2018

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21 January 2018

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21 January 2018

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21 January 2018

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Direct high-precision measurement of the magnetic moment of the proton.

21 January 2018

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Review of Particle Physics

21 January 2018

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A measurement of G with a cryogenic torsion pendulum

21 January 2018

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Review of Particle Physics

21 January 2018

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Simple pendulum determination of the gravitational constant.

21 January 2018

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A simple pendulum laser interferometer for determining the gravitational constant

21 January 2018

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Frequency-dependent polarizability of helium including relativistic effects with nuclear recoil terms.

21 January 2018

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21 January 2018

The size of the proton

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Measuring the Newtonian constant of gravitation G with an atomic interferometer

21 January 2018

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Improved determination of G using two methods.

21 January 2018

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The BIPM measurements of the Newtonian constant of gravitation, G.

21 January 2018

1 reference

Quantum Hall resistance standard in graphene devices under relaxed experimental conditions

21 January 2018

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Precision measurement of the Newtonian gravitational constant using cold atoms.

21 January 2018

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A determination of Planck's constant using the NRC watt balance

21 January 2018

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Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology

21 January 2018

1 reference

Optical Frequency Measurement of the2S−12DTransitions in Hydrogen and Deuterium: Rydberg Constant and Lamb Shift Determinations

21 January 2018

1 reference

Erratum: Optical Frequency Measurement of the2S−12DTransitions in Hydrogen and Deuterium: Rydberg Constant and Lamb Shift Determinations [Phys. Rev. Lett. 82, 4960 (1999)]

21 January 2018

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Communication: The ionization and dissociation energies of HD.

21 January 2018

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Reconciling Planck constant determinations via watt balance and enriched-silicon measurements at NRC Canada

21 January 2018

1 reference

Uncertainty Improvements of the NIST Electronic Kilogram

21 January 2018

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Calibration campaign against the international prototype of the kilogram in anticipation of the redefinition of the kilogram part I: comparison of the international prototype with its official copies

21 January 2018

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High-precision measurement of the atomic mass of the electron

21 January 2018

1 reference

The Ame2012 atomic mass evaluation

21 January 2018

1 reference

Determination of the atomic weight of 28Si-enriched silicon for a revised estimate of the Avogadro constant

21 January 2018

1 reference

A determination of the Planck constant by the generalized joule balance method with a permanent-magnet system at NIM

21 January 2018

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A redetermination of the isotopic abundances of atmospheric Ar

21 January 2018

1 reference

Experimental assessment of the speed of light perturbation in free-fall absolute gravimeters

21 January 2018

1 reference

The Magnetic Moment of the Electron

21 January 2018

1 reference

21 January 2018

Acoustic gas thermometry

1 reference

An improved acoustic method for the determination of the Boltzmann constant at LNE-INM/CNAM

21 January 2018

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Determination of the Boltzmann constantkfrom the speed of sound in helium gas at the triple point of water

21 January 2018

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Measurement of the Boltzmann Constant k B Using a Quasi-Spherical Acoustic Resonator

21 January 2018

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Helium flux in a continental land area estimated from 3He/4He ratio in northern Taiwan

21 January 2018

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Acoustic Resonator Experiments at the Triple Point of Water: First Results for the Boltzmann Constant and Remaining Challenges

21 January 2018

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Improving acoustic determinations of the Boltzmann constant with mass spectrometer measurements of the molar mass of argon

21 January 2018

1 reference