Study of the neutron quantum states in the gravity field

  • V. V. NesvizhevskyEmail author
  • A. K. Petukhov
  • H. G. Börner
  • T. A. Baranova
  • A. M. Gagarski
  • G. A. Petrov
  • K. V. Protasov
  • A. Yu Voronin
  • S. Baeßler
  • H. Abele
  • A. Westphal
  • L. Lucovac
experimental physics


We have studied neutron quantum states in the potential well formed by the earth’s gravitational field and a horizontal mirror. The estimated characteristic sizes of the neutron wave functions in the two lowest quantum states correspond to expectations with an experimental accuracy. A position-sensitive neutron detector with an extra-high spatial resolution of \(\sim 2 \mathrm{\mu} \)m was developed and tested for this particular experiment, to be used to measure the spatial density distribution in a standing neutron wave above a mirror for a set of some of the lowest quantum states. The present experiment can be used to set an upper limit for an additional short-range fundamental force. We studied methodological uncertainties as well as the feasibility of improving further the accuracy of this experiment.


Wave Function Quantum State Characteristic Size Gravitational Field Gravity Field 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin/Heidelberg 2005

Authors and Affiliations

  • V. V. Nesvizhevsky
    • 1
    Email author
  • A. K. Petukhov
    • 1
  • H. G. Börner
    • 1
  • T. A. Baranova
    • 2
  • A. M. Gagarski
    • 2
  • G. A. Petrov
    • 2
  • K. V. Protasov
    • 3
  • A. Yu Voronin
    • 4
  • S. Baeßler
    • 5
  • H. Abele
    • 6
  • A. Westphal
    • 7
  • L. Lucovac
    • 8
  1. 1.Institut Laue-LangevinGrenoble Cedex 9France
  2. 2.Petersburg Nuclear Physics InstituteGatchinaRussia
  3. 3.Laboratoire de Physique Subatomique et de CosmologieIN2P3-CNRS-UJFGrenobleFrance
  4. 4.Lebedev InstituteMoscowRussia
  5. 5.University of MainzGermany
  6. 6.University of HeidelbergGermany
  7. 7.DESYHamburgGermany
  8. 8.Université Joseph-FourierGrenobleFrance

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