Abstract

The measurement of neutrino magnetic moment larger than 10-19 μB would be a clear signature of physics beyond the standard model other than the existence of massive Dirac neutrinos. The use of a spherical proportional counter detector filled with gas at 40 bar located near a nuclear reactor would be a simple way to perform such a measurement exploiting the developments made on such a technology for the search of dark matter and neutrinoless double beta decay. Different targets can be used just by replacing the gas: xenon, CF4 and argon were compared and the sensitivity in one year of data taking could reach the level of 4.3 × 10-12 μB , 6.5 × 10-12 μB , and 8.5 × 10-12 μB , respectively.

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