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Journal Article

Progress towards an improved comparison of the proton-to-antiproton charge-to-mass ratios

MPS-Authors
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Harrington,  James A.
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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

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Wiesinger,  Markus
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;

External Resource

https://doi.org/10.1007/s10751-018-1499-x
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Citation

Higuchi, T., Harrington, J. A., Borchert, M. J., Blessing, P. E., Devlin, J. A., Morgner, J., et al. (2018). Progress towards an improved comparison of the proton-to-antiproton charge-to-mass ratios. Hyperfine Interactions, 239: 27. doi:10.1007/s10751-018-1499-x.


Cite as: https://hdl.handle.net/21.11116/0000-0002-0D5F-7
Abstract
High-precision comparisons of the proton-to-antiproton charge-to-mass ratios provide sensitive tests of the fundamental charge, parity, time (CPT) invariance. In 2014, we performed such a measurement with a fractional precision of 69 parts in a trillion (p.p.t.). In this article, we describe technical developments which were implemented to improve the precision of our previous measurement by at least a factor of 3.