Journal article

Revised experimental upper limit on the electric dipole moment of the neutron

  • Pendlebury, J. M. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Afach, S. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland - ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland - Hans Berger Department of Neurology, Jena University Hospital, D-07747 Jena, Germany
  • Ayres, N. J. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Baker, C. A. STFC Rutherford Appleton Laboratory, Harwell, Didcot, Oxon OX11 0QX, United Kingdom
  • Ban, G. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • Bison, Georg Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
  • Bodek, K. Marian Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Cracow, Poland
  • Burghoff, M. Physikalisch Technische Bundesanstalt, D-10587 Berlin, Germany
  • Geltenbort, P. Institut Laue-Langevin, CS 20156 F-38042 Grenoble Cedex 9, France
  • Green, K. STFC Rutherford Appleton Laboratory, Harwell, Didcot, Oxon OX11 0QX, United Kingdom
  • Griffith, W. C. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Grinten, M. van der STFC Rutherford Appleton Laboratory, Harwell, Didcot, Oxon OX11 0QX, United Kingdom
  • Grujić, Z. D. Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland
  • Harris, P. G. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Hélaine, V. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • Iaydjiev, P. STFC Rutherford Appleton Laboratory, Harwell, Didcot, Oxon OX11 0QX, United Kingdom
  • Ivanov, S. N. STFC Rutherford Appleton Laboratory, Harwell, Didcot, Oxon OX11 0QX, United Kingdom
  • Kasprzak, Malgorzata Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland - Instituut voor Kern en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium
  • Kermaidic, Y. LPSC, Université Grenoble Alpes, CNRS/IN2P3, 53 rue des Martyrs, F-38000 Grenoble, France
  • Kirch, K. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland - ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Koch, H.-C. Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland - Institut für Physik, Johannes-Gutenberg-Universität, D-55128 Mainz, Germany
  • Komposch, S. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland - ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Kozela, A. Henryk Niedwodniczański Institute for Nuclear Physics, Cracow, Ul. Radzikowskiego 152 31-342 Kraków, Poland
  • Krempel, J. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland - ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Lauss, B. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
  • Lefort, T. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • Lemière, Y. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • May, D. J. R. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Musgrave, M. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Naviliat-Cuncic, O. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • Piegsa, F. M. ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Pignol, G. LPSC, Université Grenoble Alpes, CNRS/IN2P3, 53 rue des Martyrs, F-38000 Grenoble, France
  • Prashanth, P. N. Instituut voor Kern en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium
  • Quéméner, G. LPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3 Caen, 6 bd Maréchal Juin, F-14050 Caen Cedex, France
  • Rawlik, M. ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Rebreyend, D. LPSC, Université Grenoble Alpes, CNRS/IN2P3, 53 rue des Martyrs, F-38000 Grenoble, France
  • Richardson, J. D. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Ries, D. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland - ETH Zürich, Institute for Particle Physics, CH-8093 Zürich, Switzerland
  • Roccia, S. CSNSM, Université Paris Sud, CNRS/IN2P3, Orsay, France
  • Rozpedzik, D. Marian Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Cracow, Poland
  • Schnabel, A. Physikalisch Technische Bundesanstalt, D-10587 Berlin, Germany
  • Schmidt-Wellenburg, P. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
  • Severijns, N. Instituut voor Kern en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium
  • Shiers, D. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Thorne, J. A. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Weis, Antoine Physics Department, University of Fribourg, CH-1700 Fribourg, Switzerland
  • Winston, O. J. Department of Physics and Astronomy, University of Sussex, Falmer, Brighton BN1 9QH, United Kingdom
  • Wursten, E. Instituut voor Kern en Stralingsfysica, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium
  • Zejma, J. Marian Smoluchowski Institute of Physics, Jagiellonian University, 30-348 Cracow, Poland
  • Zsigmond, G. Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
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    04.11.2015
Published in:
  • Physical Review D. - 2015, vol. 92, no. 9, p. 092003
English We present for the first time a detailed and comprehensive analysis of the experimental results that set the current world sensitivity limit on the magnitude of the electric dipole moment (EDM) of the neutron. We have extended and enhanced our earlier analysis to include recent developments in the understanding of the effects of gravity in depolarizing ultracold neutrons; an improved calculation of the spectrum of the neutrons; and conservative estimates of other possible systematic errors, which are also shown to be consistent with more recent measurements undertaken with the apparatus. We obtain a net result of dn=−0.21±1.82×10−26  e cm, which may be interpreted as a slightly revised upper limit on the magnitude of the EDM of 3.0×10−26  e cm (90% C.L.) or 3.6×10−26  e cm (95% C.L.).
Faculty
Faculté des sciences
Department
Physique
Language
  • English
Classification
Physics
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https://folia.unifr.ch/unifr/documents/304664
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