Simulations show a Q-Pix liquid argon detector could, in a low-background underground scenario, see boron-8 and hep solar neutrinos above about 5 MeV if poorly understood gamma and alpha-capture backgrounds are controlled.
On concentration of $^{42}$Ar in the Earth's atmosphere
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abstract
Data from the DBA liquid argon ionization chamber experiment have been used to obtain an estimate on the concentration of $^{42}$Ar in the Earth's atmosphere, $6.8^{+1.7}_{-3.2}\cdot10^{-21}$ atoms of $^{42}$Ar per atom of $^{40}$Ar corresponding to the $^{42}$Ar activity of $1.2^{+0.3}_{-0.5}$ $\mu$Bq per cubic meter of air.
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Opportunities and challenges to study solar neutrinos with a Q-Pix pixel readout
Simulations show a Q-Pix liquid argon detector could, in a low-background underground scenario, see boron-8 and hep solar neutrinos above about 5 MeV if poorly understood gamma and alpha-capture backgrounds are controlled.