Measurement of Ultralow Heating Rates of a Single Antiproton in a Cryogenic Penning Trap

被引：15

作者：

Borchert, M. J. ^{[1
,2
]}

Blessing, P. E. ^{[1
,3
]}

Devlin, J. A. ^{[1
]}

Harrington, J. A. ^{[1
,4
]}

Higuchi, T. ^{[1
,5
]}

Morgner, J. ^{[1
,2
]}

Smorra, C. ^{[1
]}

Wursten, E. ^{[1
,7
]}

Bohman, M. ^{[1
,4
]}

Wiesinger, M. ^{[1
,4
]}

Mooser, A. ^{[1
]}

Blaum, K. ^{[4
]}

Matsuda, Y. ^{[5
]}

Ospelkaus, C. ^{[2
,8
]}

Quint, W. ^{[3
,9
]}

Walz, J. ^{[6
,10
]}

Yamazaki, Y. ^{[11
]}

Ulmer, S. ^{[1
]}

机构：

[1] RIKEN, Ulmer Fundamental Symmetries Lab, Wako, Saitama 3510198, Japan

[2] Leibniz Univ Hannover, Inst Quantenopt, D-30167 Hannover, Germany

[3] GSI Helmholtzzentrum Schwerionenforsch, D-64291 Darmstadt, Germany

[4] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[5] Univ Tokyo, Grad Sch Arts & Sci, Tokyo 1538902, Japan

[6] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[7] CERN, CH-1211 Geneva 23, Switzerland

[8] Phys Tech Bundesanstalt, D-38116 Braunschweig, Germany

[9] Heidelberg Univ, D-69047 Heidelberg, Germany

[10] Helmholtz Inst Mainz, D-55099 Mainz, Germany

[11] RIKEN, Atom Phys Lab, Wako, Saitama 3510198, Japan

来源：

PHYSICAL REVIEW LETTERS | 2019年 / 122卷 / 04期

关键词：

ELECTRON; CPT;

D O I：

10.1103/PhysRevLett.122.043201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the first detailed study of motional heating in a cryogenic Penning trap using a single antiproton. Employing the continuous Stern-Gerlach effect we observe cyclotron quantum transition rates of 6(1) quanta/h and an electric-field noise spectral density below 7.5(3.4) x 10(-20) V-2 m(-2) Hz(-1), which corresponds to a scaled noise spectral density below 8.8(4.0) x 10(-12) V-2 m(-2), results which are more than 2 orders of magnitude smaller than those reported by other ion-trap experiments.

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页数：5

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