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CERN Document Server 7 záznamov nájdených  Hľadanie trvalo 0.59 sekúnd. 
1.
Production of $^{169}$Yb for calibration of a transition-edge sensor for precision x-ray spectroscopy of antiprotonic atoms / Fujioka, Hiroyuki (Institute of Science Tokyo) ; Higuchi, Takashi (Kyoto University) ; Ohayon, Ben (Technion - Israel Institute of Technology) ; Paul, Nancy (Laboratoire Kastler Brossel) ; Roosa, Michael (Laboratoire Kastler Brossel) ; Schell, Juliana (CERN & University of Duisburg-Essen)
CERN-INTC-2024-052 ; INTC-I-280. - 2024
Full text
Úplný záznam - Podobné záznamy
2.
Development for an improved comparison of proton-to-antiproton charge-to-mass ratio / Higuchi, Takashi
Charge, Parity and Time (CPT) symmetry is known to be one of the most fundamental symmetries of the Standard Model of particle physics [...]
CERN-THESIS-2019-409 - 310 p.


10.15083/0002001691
Úplný záznam - Podobné záznamy
3.
Superconducting solenoid system with adjustable shielding factor for precision measurements of the properties of the antiproton / Devlin, Jack A (RIKEN (main) ; CERN) ; Wursten, Elise (RIKEN (main) ; CERN) ; Harrington, James A (RIKEN (main) ; Heidelberg, Max Planck Inst.) ; Higuchi, Takashi (RIKEN (main) ; U. Tokyo (main)) ; Blessing, Pascal E (RIKEN (main) ; Darmstadt, GSI) ; Borchert, Matthias J (RIKEN (main) ; Leibniz U., Hannover) ; Erlewein, Stefan (RIKEN (main) ; CERN ; Heidelberg, Max Planck Inst.) ; Hansen, Jannek J (RIKEN (main)) ; Morgner, Jonathan (RIKEN (main) ; Leibniz U., Hannover) ; Bohman, Matthew A (RIKEN (main) ; Heidelberg, Max Planck Inst.) et al.
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 magnetic field disturbances by up to a factor of 225 ± 15, allowing antiproton-to-proton charge-to-mass ratio comparisons with fourfold reduced frequency fluctuations and antiproton magnetic moment determinations with tenfold reduced uncertainty..
2019 - 9 p. - Published in : Phys. Rev. Applied 12 (2019) 044012 Fulltext from publisher: PDF;
Úplný záznam - Podobné záznamy
4.
Double-trap measurement of the proton magnetic moment at 0.3 parts per billion precision / Schneider, Georg (Mainz U., Inst. Phys. ; RIKEN (main)) ; Mooser, Andreas (RIKEN (main)) ; Bohman, Matthew (RIKEN (main) ; Heidelberg, Max Planck Inst.) ; Schön, Natalie (Mainz U., Inst. Phys.) ; Harrington, James (Heidelberg, Max Planck Inst.) ; Higuchi, Takashi (RIKEN (main) ; U. Tokyo (main)) ; Nagahama, Hiroki (RIKEN (main)) ; Sellner, Stefan (RIKEN (main)) ; Smorra, Christian (RIKEN (main)) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) et al.
Precise knowledge of the fundamental properties of the proton is essential for our understanding of atomic structure as well as for precise tests of fundamental symmetries. We report on a direct high-precision measurement of the magnetic moment $\mu_p$ of the proton in units of the nuclear magneton $\mu_N$. [...]
2017 - 4 p. - Published in : Science 358 (2017) 1081-1084
Úplný záznam - Podobné záznamy
5.
A test of charge-parity-time invariance at the atto-electronvolt scale / Mooser, Andreas (Wako, RIKEN) ; Higuchi, Takashi (Wako, RIKEN ; Tokyo, U. Earth Sci. Astron.) ; Smorra, Christian (Wako, RIKEN ; CERN) ; Nagahama, Hiroki (Wako, RIKEN ; Tokyo, U. Earth Sci. Astron.) ; Leefer, Nathan (Helmholtz Inst., Mainz) ; Schneider, Georg (Wako, RIKEN ; Mainz U., Inst. Phys.) ; Sellner, Stefan (Wako, RIKEN) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Matsuda, Yasuyuki (Tokyo, U. Earth Sci. Astron.) ; Quint, Wolfgang (Darmstadt, GSI) et al.
We developed a novel fast measurement procedure for cyclotron frequency comparisons of two individual particles in a Penning trap, which enabled us to compare the charge-to-mass ratio of the proton and the antiproton with a fractional precision of 69 parts per trillion. To date this is the most precise test of charge-parity-time invariance using baryons. [...]
2017 - 9 p. - Published in : JPS Conf. Proc. 18 (2017) 011019 Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011019
Úplný záznam - Podobné záznamy
6.
Towards an improved measurement of the proton magnetic moment / Schneider, Georg (Mainz U., Inst. Phys. ; RIKEN (main)) ; Leefer, Nathan (Helmholtz Inst., Mainz) ; Mooser, Andreas (RIKEN (main)) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Higuchi, Takashi (RIKEN (main) ; U. Tokyo (main)) ; Matsuda, Yasuyuki (U. Tokyo (main)) ; Nagahama, Hiroki (RIKEN (main) ; U. Tokyo (main)) ; Quint, Wolfgang (Darmstadt, GSI) ; Sellner, Stefan (RIKEN (main)) ; Smorra, Christian (RIKEN (main) ; CERN) et al.
The BASE collaboration performed the most precise measurement of the proton magnetic moment. By applying the so-called double Penning-trap method with a single proton a fractional precision of 3.3 parts-per-billion was reached. [...]
2017 - 8 p. - Published in : JPS Conf. Proc. 18 (2017) 011018 Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011018
Úplný záznam - Podobné záznamy
7.
A reservoir trap for antiprotons / BASE Collaboration
We have developed techniques to extract arbitrary fractions of antiprotons from an accumulated reservoir, and to inject them into a Penning-trap system for high-precision measurements. In our trap-system antiproton storage times > 1.08 years are estimated. [...]
arXiv:1507.04147.- 2015-08-17 - 4 p. - Published in : Int. J. Mass Spectrometry 389 (2015) 10–13 Fulltext: PDF; External link: Preprint
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