[Rivet-svn] r2178 - trunk/src/Analyses

blackhole at projects.hepforge.org blackhole at projects.hepforge.org
Fri Dec 11 14:41:47 GMT 2009


Author: hoeth
Date: Fri Dec 11 14:41:47 2009
New Revision: 2178

Log:
Extremely verbose explanation of what the scaling in CDF_2002_S4796047 is.

Modified:
   trunk/src/Analyses/CDF_2002_S4796047.cc

Modified: trunk/src/Analyses/CDF_2002_S4796047.cc
==============================================================================
--- trunk/src/Analyses/CDF_2002_S4796047.cc	Fri Dec 11 13:24:08 2009	(r2177)
+++ trunk/src/Analyses/CDF_2002_S4796047.cc	Fri Dec 11 14:41:47 2009	(r2178)
@@ -86,8 +86,15 @@
 
     void finalize() {
       // This normalisation is NOT a cross-section.
+      // In the paper the x-axes (!) of the histograms are
+      // scaled such that they can put both energies in the
+      // same plot. Of course this affects the area, too.
+      // Since we want to plot the actual multiplicity, we
+      // scale the x-axes back and have to adjust the areas
+      // accordingly. The scale factors are given in the
+      // legend of the plot in the paper. Have a look at
+      // figure 1 and everything immediately becomes clear.
       // DON'T TRY TO REPAIR THIS, YOU WILL BREAK IT.
-      /// @todo What is it, then?
       if (fuzzyEquals(sqrtS()/GeV, 630)) {
         normalize(_hist_multiplicity, 3.21167); // fixed norm OK
       } else if (fuzzyEquals(sqrtS()/GeV, 1800)) {


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