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Advances in High Energy Physics
Volume 2015, Article ID 730437, 10 pages
Research Article

Status of the GRANIT Facility

1Université Grenoble-Alpes, 38000 Grenoble, France
2Institut Max von Laue-Paul Langevin, 71 avenue des Martyrs, 38000 Grenoble, France
3LPSC Grenoble, Université Grenoble-Alpes, CNRS/IN2P3, 53 avenue des Martyrs, 38026 Grenoble Cedex, France
4Physics Department, University of Virginia, 382 McCormick Road, Charlottesville, VA 22904, USA

Received 6 June 2014; Accepted 6 August 2014

Academic Editor: Ignatios Antoniadis

Copyright © 2015 Damien Roulier et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


The GRANIT facility is a follow-up project, which is motivated by the recent discovery of gravitational quantum states of ultracold neutrons. The goal of the project is to approach the ultimate accuracy in measuring parameters of such quantum states and also to apply this phenomenon and related experimental techniques to a broad range of applications in particle physics as well as in surface and nanoscience studies. We overview the current status of this facility, the recent test measurements, and the nearest prospects.