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Ramsey Gravity Resonance Spectroscopy with Ultracold Neutrons

Authors
  • Sedmik, R.1
  • Bosina, J.1, 2
  • Geltenbort, P.2
  • Ivanov, A.1
  • Jenke, T.2
  • Micko, J.1, 2
  • Pitschmann, M.1
  • Rechberger, T.1
  • Roccia, S.2
  • Thalhammer, M.1
  • Abele, H.1
  • 1 Technische Universität Wien, Atominstitut, Vienna, 1020, Austria , Vienna (Austria)
  • 2 Institut Laue-Langevin, Grenoble, 38042, France , Grenoble (France)
Type
Published Article
Journal
Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques
Publisher
Pleiades Publishing
Publication Date
Oct 08, 2020
Volume
14
Issue
Suppl 1
Identifiers
DOI: 10.1134/S1027451020070423
Source
Springer Nature
Keywords
License
Yellow

Abstract

AbstractNeutrons appear to be ideal test particles to search for non-Newtonian gravity at micrometer separations, as with their vanishing electrostatic sensitivity they avoid many of the problems appearing with other test masses. Over the past decade, the qBounce collaboration has developed a technique named gravity resonance spectroscopy (GRS) that allows probing the bound states of ultracold neutrons in the Earth’s gravitational field. With the successful implementation of Ramsey spectroscopy and long interaction times, the setup presented promises to test Einstein’s gravity with unprecedented sensitivity.

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