2021 Impact factor 3.131
Hadrons and Nuclei
Eur. Phys. J. A 5, 441-443

Detection of low energy solar neutrinos with HPGermanium

L. Baudis - H.V. Klapdor-Kleingrothaus

Max-Planck-Institut für Kernphysik, P.O.Box 10 39 80, D-69029 Heidelberg, Germany

Received: 17 May 1999 Communicated by B. Povh

The potential of the GENIUS proposal [1] to measure the spectrum of low energy solar neutrinos in real time is studied. The detection reaction is elastic neutrino-electron scattering $\nu + e \rightarrow \nu + e$. The energy resolution for detecting the recoil electrons is about 0.3 %, the energy threshold is a few keV. The expected number of events for a target of one ton of natural germanium is 3.6 events/day for pp-neutrinos and 1.3 events/day for 7Be-neutrinos, calculated in the standard solar model (BP98 [2]). It should be feasible to achieve a background low enough to measure the low energy solar neutrino spectrum.

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