High-Precision Determination of g Factors and Masses of 20Ne9+ and 22Ne9+

Heiße, F.; Door, M.; Sailer, T.; Filianin, P.; Herkenhoff, J.; König., C. M.; Kromer, K.; Lange, D.; Morgner, J.; Rischka, A.; Schweiger, Ch.; Tu, B.; Novikov, Y. N.; Eliseev, S.; Sturm, S.; Blaum, K.

doi:10.1103/PhysRevLett.131.253002

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High-Precision Determination of g Factors and Masses of ²⁰Ne⁹⁺ and ²²Ne⁹⁺

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Heiße, F.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons186043

Door, M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons134832

Sailer, T.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons181461

Filianin, P.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons248193

Herkenhoff, J.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons226719

König., C. M.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons134873

Kromer, K.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons243499

Lange, D.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons247815

Morgner, J.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons37881

Rischka, A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons194676

Schweiger, Ch.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons213212

Tu, B.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30445

Eliseev, S.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31090

Sturm, S.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30312

Blaum, K.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.131.253002
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Citation

Heiße, F., Door, M., Sailer, T., Filianin, P., Herkenhoff, J., König., C. M., et al. (2023). High-Precision Determination of g Factors and Masses of ²⁰Ne⁹⁺ and ²²Ne⁹⁺. Physical Review Letters, 131(25): 253002. doi:10.1103/PhysRevLett.131.253002.

Cite as: https://hdl.handle.net/21.11116/0000-000E-1BF3-2

Abstract

We present the measurements of individual bound electron g factors of ²⁰Ne⁹⁺ and ²²Ne⁹⁺ on the relative level of 0.1 parts per billion. The comparison with theory represents the most stringent test of bound-state QED in strong electric fields. A dedicated mass measurement results in m(²⁰Ne)=19.992 440 168 77(9) u, which improves the current literature value by a factor of 18, disagrees by 4 standard deviations, and represents the most precisely measured mass value in atomic mass units. Together, these measurements yield an electron mass on the relative level of 0.1 ppb with m_e=5.485 799 090 99(59)×10⁻⁴ u as well as a factor of seven improved m(²²Ne)=21.991 385 098 2(26) u.