Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Smorra, Christian"'
Trap-integrated fluorescence detection based on silicon photomultipliers in a cryogenic Penning trap
Autor:
Wiesinger, Markus, Stuhlmann, Florian, Bohman, Matthew A., Micke, Peter, Will, Christian, Yildiz, Hüseyin, Abbass, Fatma, Arndt, Bela P., Devlin, Jack A., Erlewein, Stefan, Fleck, Markus, Jäger, Julia I., Latacz, Barbara M., Schweitzer, Daniel, Umbrazunas, Gilbertas, Wursten, Elise, Blaum, Klaus, Matsuda, Yasuyuki, Mooser, Andreas, Quint, Wolfgang, Soter, Anna, Walz, Jochen, Smorra, Christian, Ulmer, Stefan
We present a fluorescence-detection system for laser-cooled 9Be+ ions based on silicon photomultipliers (SiPM) operated at 4 K and integrated into our cryogenic 1.9 T multi-Penning-trap system. Our approach enables fluorescence detection in a hermeti
Externí odkaz:
http://arxiv.org/abs/2308.02365
Autor:
Budker, Dmitry, Graham, Peter W., Ramani, Harikrishnan, Schmidt-Kaler, Ferdinand, Smorra, Christian, Ulmer, Stefan
We propose the use of trapped ions for detection of millicharged dark matter. Millicharged particles will scatter off the ions, giving a signal either in individual events or in the overall heating rate of the ions. Ion traps have several properties
Externí odkaz:
http://arxiv.org/abs/2108.05283
Autor:
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
Publikováno v:
Physical Review Letters 126, 041301 (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 resonant circuit for peaks caus
Externí odkaz:
http://arxiv.org/abs/2101.11290
Autor:
Smorra, Christian, Mooser, Andreas
Precision measurements comparing the fundamental properties of conjugate particles and antiparticles constitute stringent tests of CPT invariance. We review recent precision measurements of the BASE collaboration, which improved the uncertainty of th
Externí odkaz:
http://arxiv.org/abs/2002.04261
Autor:
Smorra, Christian, Mooser, Andreas, Franke, Kurt, Nagahama, Hiroki, Schneider, Georg, Higuchi, Takashi, Van Gorp, Simon, Blaum, Klaus, Matsuda, Yasuyuki, Quint, Wolfgang, Walz, Jochen, Yamazaki, Yasunori, Ulmer, Stefan
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 esti
Externí odkaz:
http://arxiv.org/abs/1507.04147
Autor:
Schneider, Georg, Mooser, Andreas, Bohman, Matthew, Schön, Natalie, Harrington, James, Higuchi, Takashi, Nagahama, Hiroki, Sellner, Stefan, Smorra, Christian, Blaum, Klaus, Matsuda, Yasuyuki, Quint, Wolfgang, Walz, Jochen, Ulmer, Stefan
Publikováno v:
Science, 2017 Nov . 358(6366), 1081-1084.
Externí odkaz:
https://www.jstor.org/stable/26400934
Publikováno v:
Physik in Unserer Zeit. May2018, Vol. 49 Issue 3, p116-122. 7p.
A number of illustrations of the parts of the BASE experiment, located in CERN's antimatter decelerator (AD).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od________65::9899dd1d3678c0a8d8943c51692b7a62
http://cds.cern.ch/record/2748762
http://cds.cern.ch/record/2748762
Publikováno v:
Physik in Unserer Zeit. Mar2015, Vol. 46 Issue 2, p92-97. 6p.
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