Article

Search for mirror dark matter in a laboratory experiment with ultracold neutrons

10/2008;
Source: arXiv

ABSTRACT Mirror matter is considered as a candidate for dark matter. To investigate this possibility an experimental search for neutron - mirror neutron 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.). As a side result, some restriction of the presence of a mirror magnetic field in the range 0 - 1200 nT has been obtained.

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Keywords

dark matter
 
different magnetic fields
 
mirror magnetic field
 
Mirror matter
 
mirror neutron oscillation time tau_osc
 
mirror neutron transitions
 
neutron
 
side result
 
ultracold neutrons