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Autor:
Terresa Nanni, Stefano Cecchini, V A Levchenko, A N Kostantinov, Agostino Salomoni, Livio Ruggiero, G. E. Kocharov, I V Mikheeva, Pavel P. Povinec, Menotti Galli
Publikováno v:
Radiocarbon. 34:247-253
We describe our method of determining solar cosmic-ray flux and spectrum in the past, based on the comparison of different cosmogenic isotopes. For the period, AD 1781–1950, we have detected several intervals with a high probability of powerful sol