Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 611, Issue 2-3, Pages 137-140Publisher
ELSEVIER
DOI: 10.1016/j.nima.2009.07.041
Keywords
Mirror world; Neutron oscillations; Ultracold neutrons
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Mirror matter is considered as a candidate for dark matter. In connection with this an experimental search for neutron-mirror neutron (nn') transitions has been carried out using storage of ultracold neutrons in a trap with different magnetic fields. As a result, a new limit for the neutron-mirror neutron oscillation time tau(osc) has been obtained, tau(osc) >= 448 s (90% C.L.), assuming that there is no mirror magnetic field larger than 100 nT. Besides a first attempt to obtain some restriction for mirror magnetic field has been done. (C) 2009 Elsevier B.V. All rights reserved.
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