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On concentration of $^{42}$Ar in the Earth's atmosphere

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arxiv 1609.08890 v1 pith:G5TRCZS3 submitted 2016-09-28 nucl-ex physics.ins-det

classification nucl-exphysics.ins-det
keywords atmosphereconcentrationearthactivityargonatomatomsbeen
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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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  1. Opportunities and challenges to study solar neutrinos with a Q-Pix pixel readout

    hep-ex 2025-07 conditional novelty 6.0 of 10

    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.

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