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.
Measurement of the specific activity of Ar-39 in natural argon
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We report on the measurement of the specific activity of Ar-39 in natural argon. The measurement was performed with a 2.3-liter two-phase (liquid and gas) argon drift chamber. The detector was developed by the WARP Collaboration as a prototype detector for WIMP Dark Matter searches with argon as a target. The detector was operated for more than two years at Laboratori Nazionali del Gran Sasso, Italy, at a depth of 3,400 m w.e. The specific activity measured for Ar-39 is 1.01 +/- 0.02(stat) +/- 0.08(syst) Bq per kg of natural Ar.
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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.