revised scionix calibration

sort.cpp

@@ -65,7 +65,8 @@ int main( int argc, char* argv[] ){
         auto sorter = make_unique<VKSorter>(readers, output, window);
 
         // SIGNAL energy calibration
-        double a0 = 30.0, a1 = 1.252, a2 = 0;
+//        double a0 = 30.0, a1 = 1.252, a2 = 0;  // old calibration
+        double a0 = 24.0, a1 = 1.226, a2 = 0;    // calibration based on runs 286 and 294
         sorter->setCalibration(0, a0, a1, a2);
         
         // set software trigger