Proof of principle for Ramsey-type gravity resonance spectroscopy with qBounce

• Main Authors: Sedmik René I.P., Bosina Joachim, Achatz Lukas, Geltenbort Peter, Heiß Manuel, Ivanov Andrey N., Jenke Tobias, Micko Jakob, Pitschmann Mario, Rechberger Tobias, Schmidt Patrick, Thalhammer Martin, Abele Hartmut
• Format: Article
• Language: English
• Published: EDP Sciences 2019-01-01
• Series: EPJ Web of Conferences
• Online Access: https://www.epj-conferences.org/articles/epjconf/pdf/2019/24/epjconf-ppns2019_05004.pdf

Ultracold neutrons (UCNs) are formidable probes in precision tests of gravity. With their negligible electric charge, dielectric moment, and polarizability they naturally evade some of the problems plaguing gravity experiments with atomic or macroscopic test bodies. Taking advantage of this fact, the qBounce collaboration has developed a technique – gravity resonance spectroscopy (GRS) – to study bound quantum states of UCN in the gravity field of the Earth. This technique is used as a high-precision tool to search for hypothetical Non-Newtonian gravity on the micrometer scale. In the present article, we describe the recently commissioned Ramsey-type GRS setup, give an unambiguous proof of principle, and discuss possible measurements that will be performed.