Import Geant4 10.6.1 source tree

source/processes/hadronic/models/parton_string/diffraction/History

@@ -14,6 +14,11 @@ code and to keep track of all tags.
      * Please list in reverse chronological order (last date on top)
      ---------------------------------------------------------------
 
+07-Dec-2019 V. Ivanchenko     (hadr-string-diff-V10-05-11)
+- G4FTFParameters:
+  o  Fixed division by zero (Coverity report) due to wrong protection
+     in previous MR 05-09
+
 28-Nov-2019 A. Ribon          (hadr-string-diff-V10-05-10)
 - G4FTFParameters: set parameters of a string kink in the constructor
   (instead of setting it at each interaction, causing memory leaks).

source/processes/hadronic/models/parton_string/diffraction/src/G4FTFParameters.cc

@@ -377,7 +377,7 @@ void G4FTFParameters::InitForInteraction( const G4ParticleDefinition* particle,
     // Gaussian parametrization of elastic scattering amplitude assumed
     SetAvaragePt2ofElasticScattering( 1.0/( Xtotal*Xtotal/16.0/pi/Xelastic/0.3894 )*GeV*GeV );
   } else {
-    SetSlope(0.0);
+    SetSlope(1.0);
     SetAvaragePt2ofElasticScattering( 0.0);
   }
   SetGamma0( GetSlope()*Xtotal/10.0/2.0/pi );