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Weakly interacting massive particles, solar neutrinos, and solar oscillations

Nature volume 321, pages 229231 (15 May 1986) | Download Citation

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Abstract

Weakly interacting, massive particles (WIMPs) have recently been proposed as a solution to the solar neutrino problem1–3. Whereas standard solar models consistently predict a detection rate of (high-energy) neutrinos 3 times higher than that observed in the Davis experiment4–6, the presence of hypothetical massive particles in the solar centre would resolve this discrepancy. Models which incorporate a relative number of 10−11 WIMPs with appropriate scattering cross-section would reduce the predicted neutrino detections by 37Cl to the observed value, without significant changes in the solar structure outside the central region1–3. We have subjected these models to an observational test of p–mode oscillation frequencies by computing frequency differences of low-degree, high-order oscillation frequencies. Although standard solar models also pass this test, WIMP models provide a better fit.

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Author information

Affiliations

  1. High Altitude Observatory, NCAR, PO Box 3000, Boulder, Colorado 80307, USA

    • W. Däppen
    •  & R. L. Gilliland
  2. Astronomisk Institut, Aarhus Universitet, DK-8000 Aarhus C, Denmark

    • J. Christensen-Dalsgaard

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https://doi.org/10.1038/321229a0

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