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Test of Lorentz invariance with spin precession of ultracold neutrons

  • Altarev, I. Technische Universität München, Garching, Germany
  • Baker, C. A. Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom
  • Ban, G. LPC Caen, Université de Caen, France
  • Bison, Georg Department of Neurology, Friedrich–Schiller–University, Jena, Germany
  • Bodek, K. Marian Smoluchowski Institute of Physics, Jagiellonian University,Cracow, Poland
  • Daum, M. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Fierlinger, P. Excellence Cluster “Universe,” Technische Universität München, Garching, Germany
  • Geltenbort, P. Institut Laue–Langevin, Grenoble, France
  • Green, K. Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom - Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, United Kingdom
  • Grinten, M. G. D. van der Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom - Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, United Kingdom
  • Gutsmiedl, E. Technische Universität München, Garching, Germany
  • Harris, P. G. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, United Kingdom
  • Heil, W. Institut für Physik, Johannes–Gutenberg–Universität, Mainz, Germany
  • Henneck, R. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Horras, M. Excellence Cluster “Universe,” Technische Universität München, Garching, Germany - Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Iaydjiev, P. Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom
  • Ivanov, S. N. Rutherford Appleton Laboratory, Chilton, Didcot, United Kingdom
  • Khomutov, N. JINR, Dubna, Moscow Region, Russia
  • Kirch, K. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Kistryn, S. Marian Smoluchowski Institute of Physics, Jagiellonian University,Cracow, Poland
  • Knecht, A. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Knowles, Paul E. Department of Physics, University of Fribourg, Switzerland
  • Kozela, A. Henryk Niedwodniczański Institute for Nuclear Physics, Cracow, Poland
  • Kuchler, F. Excellence Cluster “Universe,” Technische Universität München, Garching, Germany
  • Kuźniak, M. Marian Smoluchowski Institute of Physics, Jagiellonian University,Cracow, Poland - Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Lauer, T. Institut für Kernchemie, Johannes–Gutenberg–Universität, Mainz, Germany
  • Lauss, B. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Lefort, T. LPC Caen, Université de Caen, France
  • Mtchedlishvili, A. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Naviliat-Cuncic, O. LPC Caen, Université de Caen, France
  • Pazgalev, Anatoly Department of Physics, University of Fribourg, Switzerland
  • Pendlebury, J. M. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, United Kingdom
  • Petzoldt, G. Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Pierre, E. LPC Caen, Université de Caen, France - Paul Scherrer Institut (PSI), Villigen, Switzerland
  • Pignol, G. LPSC, Université Joseph Fourier Grenoble, France
  • Quéméner, G. LPC Caen, Université de Caen, France
  • Rebetez, Martin Department of Physics, University of Fribourg, Switzerland
  • Rebreyend, D. LPSC, Université Joseph Fourier Grenoble, France
  • Roccia, S. LPSC, Université Joseph Fourier Grenoble, France
  • Rogel, G. LPC Caen, Université de Caen, France - Institut Laue–Langevin, Grenoble, France
  • Severijns, N. Instituut voor Kern–en Stralingsfysica, Katholieke Universiteit Leuven, Belgium
  • Shiers, D. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton, United Kingdom
  • Sobolev, Yu. Institut für Physik, Johannes–Gutenberg–Universität, Mainz, Germany
  • Weis, Antoine Department of Physics, University of Fribourg, Switzerland
  • Zejma, J. Marian Smoluchowski Institute of Physics, Jagiellonian University,Cracow, Poland
  • Zsigmond, G. Paul Scherrer Institut (PSI), Villigen, Switzerland
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    20.08.2009
Published in:
  • Physical Review Letters. - 2009, vol. 103, no. 8, p. 081602
English A clock comparison experiment, analyzing the ratio of spin precession frequencies of stored ultracold neutrons and ¹⁹⁹Hg atoms, is reported. No daily variation of this ratio could be found, from which is set an upper limit on the Lorentz invariance violating cosmic anisotropy field b⊥<2×10⁻²⁰ eV (95% C.L.). This is the first limit for the free neutron. This result is also interpreted as a direct limit on the gravitational dipole moment of the neutron |gn|<0.3 eV/c² m from a spin-dependent interaction with the Sun. Analyzing the gravitational interaction with the Earth, based on previous data, yields a more stringent limit |gn|<3×10⁻⁴ eV/c² m
Faculty
Faculté des sciences et de médecine
Department
Département de Physique
Language
  • English
Classification
Physics
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/301323
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