High-Precision Measurement of the Proton’s Atomic Mass

Heiße, Fabian; Köhler-Langes, Florian; Rau, Sascha; Hou, J.; Junck, S.; Kracke, A.; Mooser, A.; Quint, W.; Ulmer, S.; Werth, G.; Blaum, Klaus; Sturm, Sven

doi:10.1103/PhysRevLett.119.033001

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High-Precision Measurement of the Proton’s Atomic Mass

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Heiße, Fabian
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany;

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

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

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

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https://link.aps.org/doi/10.1103/PhysRevLett.119.033001
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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(03): 033001. doi:10.1103/PhysRevLett.119.033001.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-A0E2-D

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.