Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001izkry..97...81v&link_type=abstract
Izvestiya Krymskoj Astrofizicheskoj Observatorii, Tom 97, p. 81 - 90 (2001)
Astronomy and Astrophysics
Astronomy
Solar Neutrinos
Scientific paper
The results of the juxtaposition of solar neutrino flux variations in Brookhaven measurements with solar activity indices show clearly that a neutrino flux is controlled by surface solar processes. So the possible hypothesis about instability of the effectness of registrations in chlorine-argon detector could be considered. To verify this assumption the latest results of the measurements of Brookhaven detector have been analysed (1970-1994, 108 runs) taking into account helio-geophysical situation for terminal interval in the run (7d-27d). The well known anticorrelation between the neutrino flux and Wolf numbers is observed only for odd cycle of solar activity. The same pattern is taken place also for critical frequencies of E-ionosphere. The relation between neutrino flux and Ap-index was revealed, contrary, only for even cycle. The predominance of the sign of radial component of interplanetary magnetic field in last 7d -14dof the run influence upon the neutrino flux the most strongly (this sign changes after replacement of the sign of general magnetic field of the Sun). Neutrino flux changes more than threefold for short runs. The conclusion is made that variations of solar neutrino flux are falcious. These fictitious variations are caused probably by the action of very low frequency electromagnetic emissions of the magnetosphere upon the substance of the target and the technology of the extraction of Ar37atoms from perchloretilene.
Bruns A. V.
Vladimirsky B. M.
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