Reactor Searches for Neutrino Magnetic Moment as a Probe of Extra Dimensions
Abstract
We present calculations of the magnetic moment contribution to neutrino electron scattering in large extra dimension brane-bulk models (LED) with three bulk neutrinos. We discuss the cases with two and three large extra dimensions of sizes R. The calculations are done using reactor flux from Uranium, 235U as the neutrino source. We find that if the electron neutrino mass is chosen to be in the range of one eV, the differential cross section for -e scattering for low electron recoil energy can be of the same order as the presently explored values in reactor experiments. Furthermore the spectral shape for the LED models is different from the four dimensional case. Future higher precision reactor experiments can therefore be used to provide new constraints on a class of large extra dimension theories.
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