Category: Update
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Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton
Superconducting Solenoid System with Adjustable Shielding Factor for Precision Measurements of the Properties of the Antiproton Today we published a new paper in Physical Review Applied, on an innovative, tunable magnetic shielding system. With the tuned system, we suppress external magnetic field disturbances by up to a factor of 225 ± 15. Together with other
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IUPAP Prize for Atomic, Molecular, and Optical Physics 2019 awarded to BASE members Christian Smorra and Andreas Mooser
IUPAP Prize for Atomic, Molecular, and Optical Physics 2019 awarded to BASE members Christian Smorra and Andreas Mooser The IUPAP Prize for Atomic, Molecular, and Optical Physics 2019 was awarded to the BASE members Christian Smorra (RIKEN and CERN) and Andreas Mooser (RIKEN and MPIK). The highly competitive research prize was awarded… “…for outstanding contributions
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Center for Time, Constants, and Fundamental Symmetries
Center for Time, Constants, and Fundamental Symmetries Today we’ve celebrated the inauguration of the Max-Planck/PTB/RIKEN Center for Time, Constants and Fundamental Symmetries, the event took place at RIKEN’s Wako-Campus in Japan. We’ve organized a symposium with invited speakers Marianna Safronova (Univ. Delaware) and Yoshiro Takahashi (Kyoto University), and center speakers Klaus Blaum (MPG), Ekkehard Peik
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CERN research fellowships awarded to BASE members
CERN research fellowships awarded to BASE members We are happy to announce that the future research of our team members Elise Wursten and Jack Devlin will be supported by two individual, highly competitive CERN research fellowships. We greatfully acknowledge the invaluable support by CERN. Elise Wursten joined the BASE team in July 2018, she was
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First explicit measurement of heating rates in a cryogenic Penning trap
First explicit measurement of heating rates in a cryogenic Penning trap Today we report on the first explicit measurement of cyclotron quantum heating rates in a cryogenic Penning trap. We demonstrate that the scaled electric field noise in our spin-analysis trap, an essential instrument in our 1.5 p.p.b. measurement of the antiproton magnetic moment, is
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Improved limit on directly measured antiproton lifetime
Improved limit on directly measured antiproton lifetime In the entire 2016 antiproton run BASE was operated with particles trapped in 2015. The particles were suspended from the unique reservoir trap to the measurement traps on request, apart from dispensing single antiprotons to the other traps, not a single antiproton was lost in an integrated observation
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Improved Measurement of the Proton Mass in Natural Units
Improved Measurement of the Proton Mass in Natural Units Today a paper was published in Phys. Rev. Lett.in which a collaboration of researchers from Max Planck Institute for Nuclear Physics, Heidelberg, Germany and Members of BASE/RIKEN’s Ulmer Fundamental Symmetries Lab report on a three-fold improved measurement of the proton mass in natural units. The resulting
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RIKEN Opens Fundamental Symmetries Laboratory
RIKEN Opens Fundamental Symmetries Laboratory The japanese research institute RIKEN will continue its strong support of the work of the BASE collaboration. To this end the new, dedicated “fundamental symmetries laboratory (FSL)” has been opened. The major research goal of FSL will be to push the limits in ultra-precise comparisons of the fundamental properties of
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First Observation of Single Antiproton Spin Transitions
First Observation of Single Antiproton Spin Transitions Today we have published a paper in Phys. Lett. B, in which we report on the detection of individual spin quantum transitions of a single trapped antiproton in a Penning trap. The spin state determination is based on the unambiguous detection of axial frequency shifts which are induced
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Improved Measurement of the Magnetic Moment of the Antiproton
Improved Measurement of the Magnetic Moment of the Antiproton Today our article on an improved measurement of the magnetic moment of the antiproton, with a fractional precision of 0.8 parts in a million, was published in Nature Communications. This is, so far, the culmination point of 10 years of dedicated work on proton and antiproton