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GALLEX solar neutrino observations: complete results for GALLEX II
Ist Teil von
Physics letters. B, , Vol.357 (1), p.237-247
Ort / Verlag
Elsevier B.V
Link zum Volltext
Quelle
Elsevier Journal Backfiles on ScienceDirect (DFG Nationallizenzen)
Beschreibungen/Notizen
We report the solar neutrino results from the complete set of runs in the exposure period, GALLEX II, from 19 August 1992 - 23 June 1994. Counting for these runs was completed on 10 December 1994. The GALLEX II result (24 runs) is [75.2±9.7 (stat)
−4.6
+4.1 (syst)] SNU (1 σ). After three years of recording the solar neutrino flux with the GALLEX detector, the combined result from the 39 completed solar runs (GALLEX I+II) is [77.1±8.5 (stat)
−5.4
+4.4 (syst) SNU (1 σ) or 77.1
−10.1
+9.6 SNU with errors combined in quadrature. The combined error (± 13%) has now approached a level where the limits on the derived contribution of
7Be neutrinos to the GALLEX signal confront the predictions of solar models.