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

TitleProgress towards an improved comparison of the proton-to-antiproton charge-to-mass ratios
Publication TypeJournal Article
Year of Publication2018
AuthorsHiguchi, T, Harrington, JA, Borchert, MJ, Blessing, PE, Devlin, JA, Morgner, J, Sellner, S, Smorra, C, Bohman, MA, Mooser, AH, Schneider, GL, Schön, N, Wiesinger, M, Blaum, K, Matsuda, Y, Ospelkaus, C, Quint, W, Walz, J, Yamazaki, Y, Ulmer, S
JournalHyperfine Interactions
Volume239
Pagination27
Date PublishedJul
ISSN1572-9540
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 69parts 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.

URLhttps://doi.org/10.1007/s10751-018-1499-x
DOI10.1007/s10751-018-1499-x

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