Helioseismology and Beryllium neutrino

Details Helioseismology and Beryllium neutrino Helioseismology and Beryllium neutrino

1999-04-06

arxiv.org/abs/astro-ph/9904072v1

Phys.Lett.B456:214-219,1999

Astronomy and Astrophysics

Astrophysics

10 pages plus 1 ps figure, RevTeX style

Scientific paper

10.1016/S0370-2693(99)00497-9

We derive a lower limit on the Beryllium neutrino flux on earth, $\Phi(Be)_{min} = 1\cdot 10^9 cm^{-2} s^{-1}$, in the absence of oscillations, by using helioseismic data, the B-neutrino flux measured by Superkamiokande and the hydrogen abundance at the solar center predicted by Standard Solar Model (SSM) calculations. We emphasize that this abundance is the only result of SSMs needed for getting $\Phi(Be)_{min}$. We also derive lower bounds for the Gallium signal, $G_{min}=(91 \pm 3) $ SNU, and for the Chlorine signal, $C_{min}=(3.24\pm 0.14)$ SNU, which are about $3\sigma$ above their corresponding experimental values, $G_{exp}= (72\pm 6)$ SNU and $C_{exp}= (2.56\pm 0.22) $ SNU.

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