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Physics > Atomic Physics

arXiv:2107.08449 (physics)
[Submitted on 18 Jul 2021]

Title:Towards Sympathetic Cooling of Single (Anti-)Protons

Authors:T. Meiners, M. Niemann, J. Mielke, M. Borchert, N. Pulido, J.M. Cornejo, S. Ulmer, C. Ospelkaus
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Abstract:We present methods to manipulate and detect the motional state and the spin state of a single antiproton or proton which are currently under development within the BASE (Baryon Antibaryon Symmetry Experiment) collaboration. These methods include sympathetic laser cooling of a single (anti-)proton using a co-trapped atomic ion as well as quantum logic spectroscopy with the two particles and could be implemented within the collaboration for state preparation and state readout in the antiproton $g$-factor measurement experiment at CERN. In our project, these techniques shall be applied using a single $^9\text{Be}^+$ ion as the atomic ion in a Penning trap system at a magnetic field of 5 T. As an intermediate step, a controlled interaction of two beryllium ions in a double-well potential as well as sympathetic cooling of one ion by the other shall be demonstrated.
Comments: Proceedings of the 13th International Conference on Low Energy Antiproton Physics (LEAP 2018) Paris, France, 12-16 March 2018
Subjects: Atomic Physics (physics.atom-ph)
Cite as: arXiv:2107.08449 [physics.atom-ph]
  (or arXiv:2107.08449v1 [physics.atom-ph] for this version)
  https://doi.org/10.48550/arXiv.2107.08449
Journal reference: Hyperfine Interactions volume 239, Article number: 26 (2018)
Related DOI: https://doi.org/10.1007/s10751-018-1502-6

Submission history

From: Christian Ospelkaus [view email]
[v1] Sun, 18 Jul 2021 13:36:55 UTC (5 KB)
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