Auflistung Fakultät für Mathematik und Physik nach Autor/in "790c566c-b41f-4f36-a266-c665ba388c7e"

Auflistung Fakultät für Mathematik und Physik nach Autor/in "790c566c-b41f-4f36-a266-c665ba388c7e"

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  • 350-fold improved measurement of the antiproton magnetic moment using a multi-trap method 
    Smorra, Christian; Blessing, Pascal E.; Borchert, Matthias J.; Devlin, Jack A.; Harrington, James A.; Higuchi, Takashi; Morgner, Jonathan; Nagahama, Hiroki; Sellner, Stefan; Bohman, Matthew A.; Mooser, Andreas H.; Schneider, Georg L.; Schön, Natalie; Wiesinger, Markus; Blaum, Klaus; Matsuda, Yasuyuki; Ospelkaus, Christian; Quint, Wolfgang; Walz, Jochen; Yamazaki, Yasunori; Ulmer, Stefan (New York, NY : Springer International Publishing, 2018)
    We summarize our recent 1.5 parts per billion measurement of the antiproton magnetic moment using the multi Penning-trap system of the BASE collaboration. The result was achieved by combining the detection of individual ...
  • Constraints on the Coupling between Axionlike Dark Matter and Photons Using an Antiproton Superconducting Tuned Detection Circuit in a Cryogenic Penning Trap 
    Devlin, Jack A.; Borchert, Matthias J.; Erlewein, Stefan; Fleck, Markus; Harrington, James A.; Latacz, Barbara; Warncke, Jan; Wursten, Elise; Bohman, Matthew A.; Mooser, Andreas H.; Smorra, Christian; Wiesinger, Markus; Will, Christian; Blaum, Klaus; Matsuda, Yasuyuki; Ospelkaus, Christian; Quint, Wolfgang; Walz, Jochen; Yamazaki, Yasunori; Ulmer, Stefan (College Park, Md. : APS, 2021)
    We constrain the coupling between axionlike particles (ALPs) and photons, measured with the superconducting resonant detection circuit of a cryogenic Penning trap. By searching the noise spectrum of our fixed-frequency ...
  • Elementary Laser‐Less Quantum Logic Operations with (Anti‐)Protons in Penning Traps 
    Nitzschke, Diana; Schulte, Marius; Niemann, Malte; Cornejo, Juan M.; Ulmer, Stefan; Lehnert, Ralf; Ospelkaus, Christian; Hammerer, Klemens (Weinheim : Wiley-VCH Verlag, 2020)
    Static magnetic field gradients superimposed on the electromagnetic trapping potential of a Penning trap can be used to implement laser-less spin–motion couplings that allow the realization of elementary quantum logic ...
  • Fast adiabatic transport of single laser-cooled 9Be+ ions in a cryogenic Penning trap stack 
    Meiners, Teresa; Coenders, Julia A.; Brombacher, Johannes; Niemann, Malte; Cornejo, Juan M.; Ulmer, Stefan; Ospelkaus, Christian (Berlin ; Heidelberg : Springer, 2024)
    High precision mass and g-factor measurements in Penning traps have enabled groundbreaking tests of fundamental physics. The most advanced setups use multi-trap methods, which employ transport of particles between specialized ...
  • Optical stimulated-Raman sideband spectroscopy of a single 9Be+ ion in a Penning trap 
    Cornejo, Juan M.; Brombacher, Johannes; Coenders, Julia A.; Boehn, Moritz von; Meiners, Teresa; Niemann, Malte; Ulmer, Stefan; Ospelkaus, Christian (College Park, MD : APS, 2023)
    We demonstrate optical sideband spectroscopy of a single 9Be+ ion in a cryogenic 5 tesla Penning trap using two-photon stimulated-Raman transitions between the two Zeeman sublevels of the 1s22s ground state manifold. By ...
  • Quantum logic inspired techniques for spacetime-symmetry tests with (anti-)protons 
    Cornejo, Juan M.; Lehnert, Ralf; Niemann, Malte; Mielke, Johannes; Meiners, Teresa; Bautista-Salvador, Amado; Schulte, Marius; Nitzschke, Diana; Borchert, Matthias J.; Hammerer, Klemens; Ulmer, Stefan; Ospelkaus, Christian ([London] : IOP, 2021)
    Cosmological observations as well as theoretical approaches to physics beyond the standard model provide strong motivations for experimental tests of fundamental symmetries, such as CPT invariance. In this context, the ...
  • Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton 
    Devlin, Jack A.; Wursten, Elise; Harrington, James A.; Higuchi, Takashi; Blessing, Pascal E.; Borchert, Matthias J.; Erlewein, Stefan; Hansen, Jannek J.; Morgner, Jonathan; Bohman, Matthew A.; Mooser, Andreas H.; Smorra, Christian; Wiesinger, Markus; Blaum, Klaus; Matsuda, Yasuyuki; Ospelkaus, Christian; Quint, Wolfgang; Walz, Jochen; Yamazaki, Yasunori; Ulmer, Stefan (College Park, Md. [u.a.] : American Physical Society, 2019)
    A superconducting self-shielding three-solenoid system with an adjustable shielding factor is developed, implemented, and characterized using a single antiproton in a Penning trap. With the tuned system, we suppress external ...

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