Search for neutron - mirror neutron oscillations in a laboratory experiment with ultracold neutrons

Details Search for neutron - mirror neutron oscillations in a laboratory experiment with ultracold neutrons Search for neutron - mirror neutron oscillations in a laboratory experiment with ultracold neutrons

2008-09-29

arxiv.org/abs/0809.4902v2

Physics

Nuclear Physics

Nuclear Experiment

11 pages, more detailed analysis of data

Scientific paper

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.

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