On the Feasibility of Low-Background Ge-NaI Spectrometer for Neutrino Magnetic Moment Measurement
A. G. Beda, E. V. Demidova, A. S. Starostin, M. B. Voloshin
Abstract
We analyze the possibility of using a low-background Ge-NaI spectrometer in a reactor experiment for a search for neutrino magnetic moment down to 3 × 10-11 of the electron magneton. The properties of the so-far existing Ge low-background spectrometers are discussed and additional sources of background in a reactor experiment at a small depth are estimated. These estimates place specific requirements on the design of the spectrometer. The results of preliminary background measurements at a small depth of 5 m.w.e. with a dedicated spectrometer built in ITEP are reported.
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