Search for neutron - mirror neutron oscillations in a laboratory experiment with ultracold neutrons
arXiv:0809.4902 · doi:10.1016/j.nima.2009.07.041
Abstract
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 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.
11 pages, more detailed analysis of data
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