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A device for simultaneous spin analysis of ultracold neutrons

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Abstract.

We report on the design and first tests of a device allowing for measurement of ultracold neutrons polarisation by means of the simultaneous analysis of the two spin components. The device was developed in the framework of the neutron electric dipole moment experiment at the Paul Scherrer Institute. Individual parts and the entire newly built system have been characterised with ultracold neutrons. The gain in statistical sensitivity obtained with the simultaneous spin analyser is \((18.2\pm 6.1)\)% relative to the former sequential analyser under nominal running conditions.

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Authors and Affiliations

  1. ETH Zürich, Institute for Particle Physics, CH-8093, Zürich, Switzerland

    S. Afach, M. Fertl, B. Franke, K. Kirch, S. Komposch, J. Krempel, F. M. Piegsa & G. Wyszynski

  2. Paul Scherrer Institute, CH-5232, Villigen-PSI, Switzerland

    S. Afach, G. Bison, Z. Chowdhuri, M. Daum, M. Fertl, B. Franke, V. Hélaine, R. Henneck, K. Kirch, S. Komposch, B. Lauss, A. Mtchedlishvili, P. N. Prashanth, D. Ries, P. Schmidt-Wellenburg & G. Zsigmond

  3. Hans Berger Department of Neurology, Jena University Hospital, D-07747, Jena, Germany

    S. Afach & D. Ries

  4. LPC Caen ENSICAEN, Université de Caen, CNRS/IN2P3, F 14050, Caen, France

    G. Ban, V. Hélaine, T. Lefort, Y. Lemière, O. Naviliat-Cuncic & G. Quéméner

  5. Marian Smoluchowski Institute of Physics, Jagiellonian University, 30-059, Cracow, Poland

    K. Bodek, M. Rawlik, D. Rozpedzik, G. Wyszynski & J. Zejma

  6. Institut Laue-Langevin, Grenoble, France

    P. Geltenbort

  7. Physics Department, University of Fribourg, CH-1700, Fribourg, Switzerland

    Z. D. Grujić, M. Kasprzak & A. Weis

  8. Instituut voor Kernen Stralingsfysica, Katholieke Universiteit Leuven, B-3001, Leuven, Belgium

    L. Hayen, P. N. Prashanth, N. Severijns & E. Wursten

  9. LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble, France

    Y. Kermaïdic, G. Pignol & D. Rebreyend

  10. Henryk Niedwodniczański Institute for Nuclear Physics, 31-342, Cracow, Poland

    A. Kozela

  11. CSNSM, Université Paris Sud, CNRS/IN2P3, Orsay campus, France

    S. Roccia

Authors
  1. S. Afach
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  2. G. Ban
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  3. G. Bison
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  4. K. Bodek
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  5. Z. Chowdhuri
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  6. M. Daum
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  7. M. Fertl
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  8. B. Franke
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  9. P. Geltenbort
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  10. Z. D. Grujić
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  11. L. Hayen
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  12. V. Hélaine
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  13. R. Henneck
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  14. M. Kasprzak
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  15. Y. Kermaïdic
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  16. K. Kirch
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  17. S. Komposch
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  18. A. Kozela
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  19. J. Krempel
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  20. B. Lauss
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  21. T. Lefort
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  22. Y. Lemière
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  23. A. Mtchedlishvili
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  24. O. Naviliat-Cuncic
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  25. F. M. Piegsa
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  26. G. Pignol
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  27. P. N. Prashanth
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  28. G. Quéméner
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  29. M. Rawlik
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  30. D. Ries
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  31. D. Rebreyend
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  32. S. Roccia
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  33. D. Rozpedzik
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  34. P. Schmidt-Wellenburg
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  35. N. Severijns
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  36. A. Weis
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  37. E. Wursten
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  38. G. Wyszynski
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  39. J. Zejma
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  40. G. Zsigmond
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Corresponding author

Correspondence to V. Hélaine.

Additional information

Communicated by R.K. Bhandari

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Afach, S., Ban, G., Bison, G. et al. A device for simultaneous spin analysis of ultracold neutrons. Eur. Phys. J. A 51, 143 (2015). https://doi.org/10.1140/epja/i2015-15143-7

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  • DOI: https://doi.org/10.1140/epja/i2015-15143-7

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