Testing isotropy of the universe using the Ramsey resonance technique on ultracold neutron spins
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Altarev, I.
Technische Universität München, Garching, Germany
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Ban, G.
LPC Caen, ENSICAEN, Université de Caen, France
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Bison, Georg
Department of Neurology, Friedrich-Schiller-University, Jena, Germany
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Bodek, K.
Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, Poland
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Daum, M.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany - Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Fertl, M.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Fierlinger, P.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany
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Franke, B.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany - Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Gutsmiedl, E.
Technische Universität München, Garching, Germany
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Heil, W.
Institut für Physik, Johannes-Gutenberg-Universität, Mainz, Germany
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Henneck, R.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Horras, M.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany - Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Khomutov, N.
JINR, Dubna, Moscow region, Russia
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Kirch, K.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland - ETH Zürich, Switzerland
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Kistryn, S.
Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, Poland
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Kraft, A.
Institut für Physik, Johannes-Gutenberg-Universität, Mainz, Germany
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Knecht, A.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Knowles, Paul E.
Physics Department, University of Fribourg, Switzerland
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Kozela, A.
Henryk Niedwodniczański Institute for Nuclear Physics, Cracow, Poland
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Lauer, T.
Institut für Kernchemie, Johannes-Gutenberg-Universität, Mainz, Germany
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Lauss, B.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Lefort, T.
LPC Caen, ENSICAEN, Université de Caen, France
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Lemière, Y.
LPC Caen, ENSICAEN, Université de Caen, France
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Mtchedlishvili, A.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Naviliat-Cuncic, O.
LPC Caen, ENSICAEN, Université de Caen, France
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Pazgalev, Anatoly S.
Physics Department, University of Fribourg, Switzerland
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Petzoldt, G.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany
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Piegsa, F. M.
ETH Zürich, Switzerland
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Pierre, E.
LPC Caen, ENSICAEN, Université de Caen, France - Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Pignol, G.
Excellence Cluster ‘Universe’, Technische Universität München, Garching, Germany
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Quéméner, G.
LPC Caen, ENSICAEN, Université de Caen, France
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Rebetez, M.
Physics Department, University of Fribourg, Switzerland
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Rebreyend, D.
LPSC, Université Joseph Fourier Grenoble, France
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Roccia, S.
Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, Belgium
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Schmidt-Wellenburg, P.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Severijns, N.
Instituut voor Kern- en Stralingsfysica, Katholieke Universiteit Leuven, Belgium
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Sobolev, Yu.
Institut für Physik, Johannes-Gutenberg-Universität, Mainz, Germany
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Weis, Antoine
Physics Department, University of Fribourg, Switzerland
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Zejma, J.
Marian Smoluchowski Institute of Physics, Jagiellonian University, Cracow, Poland
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Zenner, J.
Institut für Kernchemie, Johannes-Gutenberg-Universität, Mainz, Germany
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Zsigmond, G.
Paul Scherrer Institut (PSI), Villigen PSI, Switzerland
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Published in:
- Physica B: Condensed Matter. - 2011, vol. 406, no. 12, p. 2365-2369
English
Physics at the Planck scale could be revealed by looking for tiny violations of fundamental symmetries in low energy experiments. In 2008, a sensitive test of the isotropy of the universe has been performed with stored ultracold neutrons (UCN), this is the first clock-comparison experiment performed with free neutrons. During several days we monitored the Larmor frequency of neutron spins in a weak magnetic field using the Ramsey resonance technique. A nonzero cosmic axial field, violating rotational symmetry, would induce a daily variation of the precession frequency. Our null result constitutes one of the most stringent tests of Lorentz invariance to date.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/302081
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