A new approach to search for free neutron-antineutron oscillations using coherent neutron propagation in gas
Abstract
Coherent forward neutron propagation in gas is discussed as a new approach to search for neutron-antineutron oscillations ( n-n), which violate both B and B-L conservation. We show that one can increase the probability of neutron - antineutron transitions to essentially the free neutron oscillation rate in the presence of a nonzero external magnetic field by tuning the density of an appropriate mixture of gases so that the neutron optical potential of the gas cancels that from an external magnetic field.
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