New High-Sensitivity Search for Neutron to Mirror-Neutron Oscillations at the PSI Ultracold Neutron Source.

Authors

N J Ayres, Z Berezhiani, G Bison, K Bodek, V Bondar, P-J Chiu, M Daum, C B Doorenbos, S Emmenegger, K Kirch, V Kletzl, J Krempel, B Lauss, D Pais, I Rienäcker, D Ries, D Rozpędzik, P Schmidt-Wellenburg, K S Tanaka, J Zejma, N Ziehl, G Zsigmond

Published in

Physical review letters. Volume 137. Issue 5. Pages 051802. Jul 31, 2026.

Abstract

In a search for potential signals of neutron (n) to mirror-neutron (n^{'}) oscillations, a collaboration centered at the Paul Scherrer Institute investigated the remaining parameter space claimed by anomalies with a dedicated high-sensitivity apparatus. An elaborate magnetic-field-mapping analysis and Monte Carlo simulation of the cumulative n-n^{'} oscillation probabilities along the neutron trajectories inside the storage vessel complemented the neutron data analysis. Magnetic fields were scanned in the range 5

PMID:
42606455
Bibliographic data and abstract were imported from PubMed on 17 Aug 2026.

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