{
//	TH1F *h = new TH1F("h", "h", 25, -120, 120);
	TH1F *h = new TH1F("h", "h", 25, 1, 1);

	TGraph *g1 = new TGraph("signal_precursor_k2a.txt", "%lg %lg");

	Double_t x1, y1;

	for(int i=0; i<g1->GetN(); i++)
	{
		g1->GetPoint(i, x1, y1);	
		h->Fill(y1*1.01304);
	}

	h->Draw();

	h->Fit("gaus", "LL");
}