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

Pendlebury, J. M.; Afach, S.; Ayres, N. J.; Baker, C. A.; Ban, G.; Bison, Georg; Bodek, K.; Burghoff, M.; Geltenbort, P.; Green, K.; Griffith, W. C.; Grinten, M. van der; Grujić, Zoran D.; Harris, P. G.; Hélaine, V.; Iaydjiev, P.; Ivanov, S. N.; Kasprzak, Malgorzata; Kermaidic, Y.; Kirch, K.; Koch, Hans-Christian; Komposch, S.; Kozela, A.; Krempel, J.; Lauss, B.; Lefort, T.; Lemière, Y.; May, D. J. R.; Musgrave, M.; Naviliat-Cuncic, O.; Piegsa, F. M.; Pignol, G.; Prashanth, P. N.; Quéméner, G.; Rawlik, M.; Rebreyend, D.; Richardson, J. D.; Ries, D.; Roccia, S.; Rozpedzik, D.; Schnabel, A.; Schmidt-Wellenburg, P.; Severijns, N.; Shiers, D.; Thorne, J. A.; Weis, Antoine; Winston, O. J.; Wursten, E.; Zejma, J.; Zsigmond, G.

doi:10.1103/PhysRevD.92.092003

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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, Zoran 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, Hans-Christian 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

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 et de médecine

Department

Département de Physique

Language