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CERN Document Server 9 ჩანაწერია ნაპოვნი  ძიებას დასჭირდა 0.65 წამი. 
1.
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. (Wako, RIKEN ; CERN) ; Borchert, Matthias J. (Wako, RIKEN ; Braunschweig, Phys. Tech. Bund. ; Leibniz U., Hannover) ; Erlewein, Stefan (Wako, RIKEN ; CERN) ; Fleck, Markus (Wako, RIKEN ; Tokyo U., Komaba) ; Harrington, James A. (Wako, RIKEN ; Heidelberg, Max Planck Inst.) ; Latacz, Barbara (Wako, RIKEN) ; Warncke, Jan (Wako, RIKEN) ; Wursten, Elise (Wako, RIKEN ; CERN) ; Bohman, Matthew A. (Wako, RIKEN ; Heidelberg, Max Planck Inst.) ; Mooser, Andreas H. (Wako, RIKEN ; Heidelberg, Max Planck Inst.) et al.
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 resonant circuit for peaks caused by dark matter ALPs converting into photons in the strong magnetic field of the Penning-trap magnet, we are able to constrain the coupling of ALPs with masses around $2.7906-2.7914\,\textrm{neV/c}^2$ to $g_{a\gamma}< 1 \times 10^{-11}\,\textrm{GeV}^{-1}$. [...]
arXiv:2101.11290.- 2021-01-26 - 7 p. - Published in : Phys. Rev. Lett. 126 (2021) 041301 Fulltext: 2101.11290 - PDF; PhysRevLett.126 - PDF;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
2.
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;
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
3.
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
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
4.
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
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
5.
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
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
6.
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
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
7.
The Production and Study of Cold Antihydrogen: ATRAP Progress in 2010 / ATRAP Collaboration
ATRAP Progress Report on 2010 Antiproton Run
CERN-SPSC-2011-008 ; SPSC-SR-080. - 2011.
Fulltext
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
8.
The Production and Study of Cold Antihydrogen: The Annual Progress Report by the Antihydrogen TRAP Collaboration (ATRAP) / Antihydrogen TRAP Collaboration
Recent Relevant publications by ATRAP and its Members Overview ATRAP Milestones Looking back at 2008 and Forward to the 2009 Antiproton Run We cannot succeed without antiprotons Optimal Use of Antiprotons The ELENA Advantage References
CERN-SPSC-2009-007 ; SPSC-SR-042. - 2009.
Fulltext
დეტალური ჩანაწერი - მსგავსი ჩანაწერები
9.
The production and study of cold antihydrogen (AD2 / ATRAP Status Report) / ATRAP Collaboration
CERN-SPSC-2007-009 ; SPSC-SR-017. - 2007.
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დეტალური ჩანაწერი - მსგავსი ჩანაწერები

ასევე იხილეთ: მსგავსი ავტორის სახელები
55 Walz, J
21 Walz, J.
3 Walz, John W
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