Finite Variance Scaling Analysis of the Solar Neutrino Flux Data from   Sage and Gallex-Gno Detectors
  The scaling behaviours of the monthly solar neutrino flux data from (1) SAGE detector during the period from 1st January 1990 to 31st December 2000; (2) SAGE detector during the period from April 1998 to December 2001; (3) GALLEX detector during the period from May 1991 to January 1997; (4) GNO detector during the period from May 1998 to December 2001; (5) GALLEX-GNO detector (combined data) from May 1991 to December 2001 and (6) average of the data from GNO and SAGE detectors during the period from May 1998 to December 2001 are analysed. In the present analysis the monthly solar neutrino flux data in each case is processed through finite variance scaling method in order to find the corresponding Hurst exponent. The study reveals that the monthly solar neutrino flux data in 1), 3), 4), 5) and 6) exhibit anti-persistent behaviour (or, negative autocorrelation) and has underlying trends while the monthly solar neutrino flux data in 2) shows the nature of a long memory process. 
Koushik Ghosh and Probhas Raychaudhuri