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Using the proton intensity and X-ray flux data from the GOES, combined with the observations of the associated solar eruptions by the Large Angle and Spectrometric Coronagraph Experiment (LASCO) on board the Solar and Heliospheric Observatory (SOHO), 14 large SEP events occurring in the period 2000 January–2002 April have been studied. It is found that: (1) events with the SEPs increasing shortly...