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High-Precision Measurement of the Proton’s Atomic Mass

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

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

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

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

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

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

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

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

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Citation

Heiße, F., Köhler-Langes, F., Rau, S., Hou, J., Junck, S., Kracke, A., et al. (2017). High-Precision Measurement of the Proton’s Atomic Mass. Physical Review Letters, 119(3): 033001. doi:10.1103/PhysRevLett.119.033001.


Cite as: https://hdl.handle.net/21.11116/0000-0006-74EF-B
Abstract
We report on the precise measurement of the atomic mass of a single proton with a purpose-built Penning-trap system. With a precision of 32 parts per trillion our result not only improves on the current CODATA literature value by a factor of 3, but also disagrees with it at a level of about 3 standard deviations.