Reflection of gravitational UCN quantum states in silicon channels
For the upcoming storage of UCN in whispering gallery modes, we need to test the horizontal reflection of vertical gravitational UCN quantum states at walls etched from Si single crystals under different angles. This technique would also allow us to increase the count rate in the present qBounce setup by a factor ~10 , which would improve the impact of the results from a test of the WEP (separate proposal in this round for PF2/UCN). We propose here to perform the required tests at the PF2/EDM beam.
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René I. P. Sedmik; ABELE Hartmut; Joachim Bosina; CLEMENT Benoit; JENKE Tobias; KAPLAN Matthias; MICKO Jakob; Sandeep S. Cranganore and TRAUNER Janik. (2021). Reflection of gravitational UCN quantum states in silicon channels. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.3-14-422
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