Tomography by neutrino pair beam
November 14, 2019
December 23, 2019
We consider the possibility of neutrino tomography by using the neutrino pair beam. The idea of neutrino tomography is imaging of the Earth's interior structure by neutrino experiments. We assume the neutrino pair beam which has been recently proposed as an attractive neutrino source. The beam produces a huge amount of neutrino and antineutrino pairs from the circulating partially stripped ions. The beam enables us to measure the energy spectrum of the neutrino oscillation probability precisely together with a large detector.
The neutrino pair beam can give a better sensitivity for probing the Earth's crust compared to current neutrino sources. Furthermore, we propose a method to reconstruct the density profile by the analytic formula of the oscillation probability that incorporates the matter effect up to the second order of perturbation.
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