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Independent Measurement of the Total Active 8B Solar Neutrino Flux Using an Array of 3He Proportional Counters at the Sudbury Neutrino Observatory

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arxiv 0806.0989 v3 pith:LJ2KXGWW submitted 2008-06-05 nucl-ex

classification nucl-ex
keywords neutrinosolarfluxprevioustotalactivearraycounters
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The Sudbury Neutrino Observatory (SNO) used an array of 3He proportional counters to measure the rate of neutral-current interactions in heavy water and precisely determined the total active (nu_x) 8B solar neutrino flux. This technique is independent of previous methods employed by SNO. The total flux is found to be 5.54(+0.33/-0.31 stat, +0.36/-0.34 syst) x 10^6 cm^-2 s^-1, in agreement with previous measurements and standard solar models. A global analysis of solar and reactor neutrino results yields Delta m^2 = 7.59(+0.19/-0.21) x 10^-5 eV^2 and theta = 34.4(+1.3/-1.2) degrees. The uncertainty on the mixing angle has been reduced from SNO's previous results.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Solar Model Independent Constraints on the Sterile Neutrino Interpretation of the Gallium Anomaly

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    A global analysis of solar and KamLAND neutrino data finds that the sterile-neutrino explanation of the gallium anomaly remains disfavored at about 3 sigma or higher under all reasonable modeling assumptions.

  2. Estimating amplitude of matter density fluctuations in solar and supernova models using neutrino flavor evolution

    astro-ph.HE 2026-07 conditional novelty 5.0 of 10

    SDA recovers density-fluctuation amplitudes from boundary neutrino flavor data in simplified solar and CCSN models, more reliably for the Sun and at high noise in CCSN.

  3. Mass Varying Neutrino Oscillation in Teleparallel Gravity

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Torsion-coupled scalar in teleparallel gravity induces density-dependent neutrino masses that alter MSW resonance and yield constraints on coupling parameters from Super-Kamiokande, Borexino and SNO data.

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