V
V. Hélaine
Researcher at University of Caen Lower Normandy
Publications - 3
Citations - 508
V. Hélaine is an academic researcher from University of Caen Lower Normandy. The author has contributed to research in topics: Ultracold neutrons & Neutron. The author has an hindex of 2, co-authored 3 publications receiving 440 citations.
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Journal ArticleDOI
Revised experimental upper limit on the electric dipole moment of the neutron
J. M. Pendlebury,S. Afach,N. J. Ayres,C.A. Baker,G. Ban,Georg Bison,Kazimierz Bodek,Martin Burghoff,P. Geltenbort,K. Green,W. C. Griffith,M. G. D. van der Grinten,Zoran D. Grujić,Philip Harris,V. Hélaine,P. Iaydjiev,S. N. Ivanov,Malgorzata Kasprzak,Y. Kermaidic,Klaus Kirch,H.-C. Koch,S. Komposch,A. Kozela,J. Krempel,Bernhard Lauss,T. Lefort,Y. Lemière,D. J. R. May,M. Musgrave,Oscar Naviliat-Cuncic,Florian M. Piegsa,Guillaume Pignol,P. N. Prashanth,G. Quéméner,M. Rawlik,D. Rebreyend,J. D. Richardson,D. Ries,S. Roccia,D. Rozpedzik,Allard Schnabel,P. Schmidt-Wellenburg,Nathal Severijns,D. Shiers,J. A. Thorne,Antoine Weis,Oliver James Winston,E. Wursten,Jacek Zejma,Geza Zsigmond +49 more
TL;DR: In this paper, 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 is presented.
Journal ArticleDOI
Gravitational depolarization of ultracold neutrons: Comparison with data
S. Afach,S. Afach,S. Afach,N. J. Ayres,C.A. Baker,G. Ban,Georg Bison,Kazimierz Bodek,Martin Fertl,Martin Fertl,B. Franke,B. Franke,P. Geltenbort,K. Green,W. C. Griffith,M. G. D. van der Grinten,Zoran D. Grujić,Philip Harris,Werner Heil,V. Hélaine,P. Iaydjiev,S. N. Ivanov,Malgorzata Kasprzak,Y. Kermaidic,Klaus Kirch,Klaus Kirch,H.-C. Koch,H.-C. Koch,S. Komposch,S. Komposch,A. Kozela,J. Krempel,Bernhard Lauss,T. Lefort,Y. Lemière,M. Musgrave,Oscar Naviliat-Cuncic,J. M. Pendlebury,Florian M. Piegsa,Guillaume Pignol,C. Plonka-Spehr,P. N. Prashanth,G. Quéméner,M. Rawlik,D. Rebreyend,D. Ries,D. Ries,S. Roccia,D. Rozpedzik,Philipp Schmidt-Wellenburg,Nathal Severijns,D. Shiers,J. A. Thorne,Antoine Weis,E. Wursten,Jacek Zejma,J. Zenner,J. Zenner,J. Zenner,Geza Zsigmond +59 more
TL;DR: In this paper, the expected effects of so-called gravitationally enhanced depolarization of ultracold neutrons were compared to measurements carried out in a spin-precession chamber exposed to a variety of vertical magnetic-field gradients.
Posted Content
Spin-echo spectroscopy with ultracold neutrons
S. Afach,N. J. Ayres,G. Ban,Georg Bison,Kazimierz Bodek,Z. Chowdhuri,M. Daum,Martin Fertl,Beatrice Franke,W. C. Griffith,Zoran D. Grujić,Philip Harris,Werner Heil,V. Hélaine,Kasprzak ‡ M,Y. Kermaidic,Klaus Kirch,Paul E. Knowles,H.-C. Koch,S. Komposch,A. Kozela,J. Krempel,B. Lauss,T. Lefort,Y. Lemière,A. Mtchedlishvili,M. Musgrave,J. M. Pendlebury,Florian M. Piegsa,Guillaume Pignol,C. Plonka Spehr,P. N. Prashanth,G. Quéméner,M. Rawlik,D. Rebreyend,D. Ries,S. Roccia,D. Rozpedzik,P. Schmidt Wellenburg,Nathal Severijns,J. A. Thorne,Antoine Weis,E. Wursten,G. Wyszynski,Jacek Zejma,J. Zenner,Geza Zsigmond +46 more
TL;DR: In this paper, a spin-echo method for ultracold neutrons (UCNs) confined in a precession chamber and exposed to a |B_0 | = 1uT magnetic field is described.