diff --git a/numass-main/src/main/groovy/inr/numass/scripts/Simulate.groovy b/numass-main/src/main/groovy/inr/numass/scripts/Simulate.groovy
index 7380c5fc..8f011c62 100644
--- a/numass-main/src/main/groovy/inr/numass/scripts/Simulate.groovy
+++ b/numass-main/src/main/groovy/inr/numass/scripts/Simulate.groovy
@@ -15,17 +15,17 @@
  */
 package inr.numass.scripts
 
-import hep.dataforge.stat.fit.FitManager
-import hep.dataforge.stat.fit.FitState
-import hep.dataforge.stat.fit.MINUITPlugin
-import hep.dataforge.stat.fit.ParamSet
+import hep.dataforge.context.Global
+import hep.dataforge.io.ColumnedDataWriter
+import hep.dataforge.meta.Meta
+import hep.dataforge.stat.fit.*
 import hep.dataforge.stat.models.XYModel
 import hep.dataforge.tables.ListTable
+import inr.numass.NumassPlugin
 import inr.numass.data.SpectrumDataAdapter
 import inr.numass.data.SpectrumGenerator
-import inr.numass.models.BetaSpectrum
-import inr.numass.models.ModularSpectrum
 import inr.numass.models.NBkgSpectrum
+import inr.numass.models.sterile.SterileNeutrinoSpectrum
 import inr.numass.utils.DataModelUtils
 import inr.numass.utils.TritiumUtils
 
@@ -39,19 +39,19 @@ import static java.util.Locale.setDefault
 
 setDefault(Locale.US);
 new MINUITPlugin().startGlobal();
-//        global.loadModule(new MINUITModule());
+new NumassPlugin().startGlobal()
 
 FitManager fm = new FitManager();
 
-ModularSpectrum beta = new ModularSpectrum(new BetaSpectrum(), 8.3e-5, 13990d, 18600d);
+SterileNeutrinoSpectrum sp = new SterileNeutrinoSpectrum(Global.instance(), Meta.empty());
 //beta.setCaching(false);
 
-NBkgSpectrum spectrum = new NBkgSpectrum(beta);
-XYModel model = new XYModel("tritium", spectrum, new SpectrumDataAdapter());
+NBkgSpectrum spectrum = new NBkgSpectrum(sp);
+XYModel model = new XYModel(spectrum, new SpectrumDataAdapter());
 
 ParamSet allPars = new ParamSet();
 
-allPars.setParValue("N", 9e5);
+allPars.setParValue("N", 2e6/100);
 //значение 6е-6 соответствует полной интенстивности 6е7 распадов в секунду
 //Проблема была в переполнении счетчика событий в генераторе. Заменил на long. Возможно стоит поставить туда число с плавающей точкой
 allPars.setParError("N", 6);
@@ -62,14 +62,14 @@ allPars.setParValue("E0", 18575.0);
 allPars.setParError("E0", 2);
 allPars.setParValue("mnu2", 0d);
 allPars.setParError("mnu2", 1d);
-allPars.setParValue("msterile2", 1000 * 1000);
+allPars.setParValue("msterile2", 8000 * 8000);
 allPars.setParValue("U2", 0);
 allPars.setParError("U2", 1e-4);
 allPars.setParDomain("U2", -1d, 1d);
 allPars.setParValue("X", 0);
 allPars.setParError("X", 0.01);
 allPars.setParDomain("X", 0d, Double.POSITIVE_INFINITY);
-allPars.setParValue("trap", 1d);
+allPars.setParValue("trap", 0d);
 allPars.setParError("trap", 0.01d);
 allPars.setParDomain("trap", 0d, Double.POSITIVE_INFINITY);
 
@@ -79,16 +79,19 @@ allPars.setParDomain("trap", 0d, Double.POSITIVE_INFINITY);
 //        ListTable config = OldDataReader.readConfig(configName);
 SpectrumGenerator generator = new SpectrumGenerator(model, allPars, 12316);
 
-ListTable data = generator.generateData(DataModelUtils.getUniformSpectrumConfiguration(14000d, 18500, 2000, 90));
+ListTable data = generator.generateData(DataModelUtils.getUniformSpectrumConfiguration(5000d, 18500, 604800/100*100, 100));
 
-data = TritiumUtils.correctForDeadTime(data, new SpectrumDataAdapter(), 1e-8);
+data = TritiumUtils.correctForDeadTime(data, new SpectrumDataAdapter(), 10e-9);
 //        data = data.filter("X", Value.of(15510.0), Value.of(18610.0));
 //        allPars.setParValue("X", 0.4);
+
+
+ColumnedDataWriter.writeDataSet(System.out,data,"--- DATA ---");
 FitState state = new FitState(data, model, allPars);
 //new PlotFitResultAction().eval(state);
         
         
-FitState res = fm.runTask(state, "QOW", FitTask.TASK_RUN, "N", "bkg", "E0", "U2", "trap");
+FitState res = fm.runTask(state, "QOW", FitStage.TASK_RUN, "N", "bkg", "E0", "U2");
 
         
 
diff --git a/numass-main/src/main/groovy/inr/numass/scripts/Underflow.groovy b/numass-main/src/main/groovy/inr/numass/scripts/Underflow.groovy
index c54bbae2..a059e296 100644
--- a/numass-main/src/main/groovy/inr/numass/scripts/Underflow.groovy
+++ b/numass-main/src/main/groovy/inr/numass/scripts/Underflow.groovy
@@ -6,26 +6,23 @@
 
 package inr.numass.scripts
 
-import hep.dataforge.io.ColumnedDataWriter
 import hep.dataforge.storage.commons.StorageUtils
-import hep.dataforge.tables.Table
 import inr.numass.storage.NMPoint
 import inr.numass.storage.NumassDataUtils
 import inr.numass.storage.NumassStorage
-import inr.numass.utils.UnderflowCorrection
 
-File rootDir = new File("D:\\Work\\Numass\\data\\2016_10\\Fill_1")
+File rootDir = new File("D:\\temp\\2016-sample\\")
 
 NumassStorage storage = NumassStorage.buildLocalNumassRoot(rootDir, true);
 
 Collection<NMPoint> data = NumassDataUtils.joinSpectra(
-        StorageUtils.loaderStream(storage).filter { it.key.matches("set_.{2,3}") }.map {
+        StorageUtils.loaderStream(storage).filter { it.key.matches("set_.*") }.map {
             println "loading ${it.key}"
             it.value
         }
 )
 
-data = NumassDataUtils.substractReferencePoint(data, 18600d);
+data = NumassDataUtils.substractReferencePoint(data, 16050d);
 
 //println "Empty files:"
 //Collection<NMPoint> emptySpectra = NumassDataUtils.joinSpectra(
@@ -77,10 +74,10 @@ def printPoint(Iterable<NMPoint> data, List us, int binning = 20, normalize = fa
 
 println "\n# spectra\n"
 
-printPoint(data, [16200d, 16400d, 16800d, 17000d, 17200d])
+printPoint(data, [16550d, 17050d, 17550d])
 
 println()
 
-Table t = new UnderflowCorrection().fitAllPoints(data, 400, 700, 3100, 20);
-ColumnedDataWriter.writeDataSet(System.out, t, "underflow parameters")
+//Table t = new UnderflowCorrection().fitAllPoints(data, 400, 700, 3100, 20);
+//ColumnedDataWriter.writeDataSet(System.out, t, "underflow parameters")
 
diff --git a/numass-main/src/main/java/inr/numass/utils/DataModelUtils.java b/numass-main/src/main/java/inr/numass/utils/DataModelUtils.java
index 41a65a2c..1ffe45aa 100644
--- a/numass-main/src/main/java/inr/numass/utils/DataModelUtils.java
+++ b/numass-main/src/main/java/inr/numass/utils/DataModelUtils.java
@@ -19,6 +19,8 @@ import hep.dataforge.tables.DataPoint;
 import hep.dataforge.tables.ListTable;
 import hep.dataforge.tables.MapPoint;
 import hep.dataforge.tables.Table;
+import inr.numass.data.SpectrumDataAdapter;
+
 import java.util.Scanner;
 
 /**
@@ -29,7 +31,7 @@ public class DataModelUtils {
 
     public static Table getUniformSpectrumConfiguration(double from, double to, double time, int numpoints) {
         assert to != from;
-        final String[] list = {"x", "time"};
+        final String[] list = {SpectrumDataAdapter.X_VALUE_KEY, "time"};
         ListTable.Builder res = new ListTable.Builder(list);
 
         for (int i = 0; i < numpoints; i++) {