new LEP tune

AHADIC++/Tools/Hadronisation_Parameters.C

@@ -113,9 +113,9 @@ void Hadronisation_Parameters::ReadParameters(string dir,string file)
   m_parametermap[string("asfix")]                = 
     dataread.GetValue<double>("AS_FIX",1.0);
   m_parametermap[string("pt02")]                 = 
-    dataread.GetValue<double>("PT^2_0",0.25);
+    dataread.GetValue<double>("PT^2_0",2.15);
   m_parametermap[string("ptmax")]                = 
-    dataread.GetValue<double>("PT_MAX",1.45);
+    dataread.GetValue<double>("PT_MAX",1.62);
   m_parametermap[string("minmass2")]             = 
     dataread.GetValue<double>("MIN_MASS2",0.0);
   m_parametermap[string("ptmax_factor")]         = 
@@ -130,13 +130,13 @@ void Hadronisation_Parameters::ReadParameters(string dir,string file)
   m_parametermap[string("WidthExponent_C->H")]   =
     dataread.GetValue<double>("TRANSITION_EXPONENT2",0.0);
   m_parametermap[string("Offset_C->HH")]         =
-    dataread.GetValue<double>("DECAY_OFFSET",0.63);
+    dataread.GetValue<double>("DECAY_OFFSET",0.558);
   m_parametermap[string("MassExponent_C->HH")]   =
-    dataread.GetValue<double>("DECAY_EXPONENT",0.93);
+    dataread.GetValue<double>("DECAY_EXPONENT",2.36);
   m_parametermap[string("Strange_fraction")]     =
     dataread.GetValue<double>("STRANGE_FRACTION",0.40);
   m_parametermap[string("Baryon_fraction")]      = 
-    dataread.GetValue<double>("BARYON_FRACTION",0.68);
+    dataread.GetValue<double>("BARYON_FRACTION",0.4);
   m_parametermap[string("Heavy_Baryon_Enhancement")]    = 
     dataread.GetValue<double>("HEAVY_BARYON_ENHANCEMEMT",7.5);
   m_parametermap[string("P_qs_by_P_qq")]       = 

SHERPA/Initialization/Initialization_Handler.C

@@ -811,9 +811,9 @@ void Initialization_Handler::SetGlobalVariables()
   sdr.SetInputPath(m_path);
   sdr.SetInputFile(m_showerdat);
   int kfmode = sdr.GetValue<int>("CSS_KFACTOR_SCHEME",1);
-  double k0sqf = sdr.GetValue<double>("CSS_FS_PT2MIN",0.42);
+  double k0sqf = sdr.GetValue<double>("CSS_FS_PT2MIN",1.0);
   double k0sqi = sdr.GetValue<double>("CSS_IS_PT2MIN",3.47);
-  double fs_as_fac = sdr.GetValue<double>("CSS_FS_AS_FAC",1.38);
+  double fs_as_fac = sdr.GetValue<double>("CSS_FS_AS_FAC",1.21);
   double is_as_fac = sdr.GetValue<double>("CSS_IS_AS_FAC",0.73);
   rpa->gen.SetVariable("CSS_KFACTOR_SCHEME",ToString(kfmode));
   rpa->gen.SetVariable("CSS_FS_PT2MIN",ToString(k0sqf));