Problem 1394

Summary:	G4BinaryLightIonReaction.cc: mom check g4.9.6.cand01
Product:	Tests	Reporter:	Ivantchenko A. <antoni>
Component:	test30	Assignee:	Gunter.Folger
Status:	RESOLVED FIXED
Severity:	normal	CC:	Alberto.Ribon
Priority:	P5
Version:	other
Hardware:	PC
OS:	Linux

Description Ivantchenko A. 2012-11-20 16:53:46 CET

========================================================
======        Cascade Test (test30) Start       ========
========================================================
Number of events according to macro 200000
###### Start new run # 0   for 200000 events  #####
Material is selected: G4_C
<bina>
Test30Physics entry
Process is created; gen= binary_ion
New generator for material G4_C Nelm= 1 Nmat= 1 Target element: C
Secondary generator <binary_ion> is initialized
Nucleus with A= 0  Z= 6  A(amu)= 1.201070e+01  Natural abundances
The particle:  C12[0.0]
energy = 4.440000e+03 MeV    RMS(MeV)= 1.000000e+00
### Log10 scale from -1.000000e+00 to 4.000000e+00 in 100 bins
### Histo::Save: Opended file <binary_ion.root>  for 57 histograms 
Histograms are booked output file <binary_ion.root> 
Using Shen Cross section for Ions
### factor  = 4.519598e-04### factora = 1.388593e-02### factorb = 4.362395e-03    cross(mb)= 8.724789e+02
### 0-th event start 
### 20000-th event start 
G4BinaryLightIonReaction.cc: mom check: (2.819572e+02,7.381195e+02,1.210364e+02;-3.637979e-12) 3.mag 7.993561e+02
 .. pInitialState/pFinalState/spectators (0.000000e+00,0.000000e+00,1.090482e+04;2.678872e+04) (-2.819572e+02,-7.381195e+02,1.078378e+04;2.678872e+04) (0.000000e+00,0.000000e+00,0.000000e+00;0.000000e+00)
 .. A,Z 7 3
G4BinaryLightIonReaction invalid final state for: 
 Primary 0x3fbf220, (A,Z)=(12,6.000000e+00) , kinetic energy 4.438998e+03
 Target nucleus (A,Z)=(12,6)
 if frequent, please submit above information as bug report

Warning! evt# 35830  0-th sec  C12[0.0]   Ekin(MeV)= 4.438998e+03 Pt(MeV/c)= 0.000000e+00 Ebeam(MeV)= 4.438998e+03
### 40000-th event start 
### 60000-th event start 
### 80000-th event start 
### 100000-th event start 
### 120000-th event start 
G4BinaryLightIonReaction.cc: mom check: (1.525852e+02,-7.196657e+02,2.159145e+02;7.275958e-12) 3.mag 7.666942e+02
 .. pInitialState/pFinalState/spectators (0.000000e+00,0.000000e+00,1.090497e+04;2.678883e+04) (-1.525852e+02,7.196657e+02,1.068906e+04;2.678883e+04) (0.000000e+00,0.000000e+00,0.000000e+00;0.000000e+00)
 .. A,Z 9 5
G4BinaryLightIonReaction invalid final state for: 
 Primary 0x3fbf220, (A,Z)=(12,6.000000e+00) , kinetic energy 4.439103e+03
 Target nucleus (A,Z)=(12,6)
 if frequent, please submit above information as bug report

Warning! evt# 121818  0-th sec  C12[0.0]   Ekin(MeV)= 4.439103e+03 Pt(MeV/c)= 0.000000e+00 Ebeam(MeV)= 4.439103e+03
### 140000-th event start 
### 160000-th event start 
### 180000-th event start 
G4BinaryLightIonReaction.cc: mom check: (1.684801e+02,2.166290e+02,4.970354e+02;-3.637979e-12) 3.mag 5.677656e+02
 .. pInitialState/pFinalState/spectators (0.000000e+00,0.000000e+00,1.090566e+04;2.678931e+04) (-1.684801e+02,-2.166290e+02,1.040863e+04;2.678931e+04) (0.000000e+00,0.000000e+00,0.000000e+00;0.000000e+00)
 .. A,Z 6 3
G4BinaryLightIonReaction invalid final state for: 
 Primary 0x3fbf220, (A,Z)=(12,6.000000e+00) , kinetic energy 4.439586e+03
 Target nucleus (A,Z)=(12,6)
 if frequent, please submit above information as bug report

Comment 1 Vladimir.Ivantchenko 2012-11-21 12:13:26 CET

The problem is seen in many combination primary ion/target. Practically any macro-file prepared in the test can be used.

Comment 2 Vladimir.Ivantchenko 2012-11-21 12:14:27 CET

The test is verification/hadronic/IAEAion

Comment 3 Alberto.Ribon 2014-07-02 20:21:24 CEST

Gunter (to whom this bug is assigned to) said that this bug is a report of a rare warning message from Binary Light Ion cascade on an internal problem by Vladimir Ivantchenko. We ask to report this warning if this occurs frequently. Vladimir reported 3 warnings for > 180k events. Some corrections were done for 10.0. Gunter needs to check with Vladimir if these warnings disappear.
Gunter suggests to keep this open until Vladimir confirms that the warning no longer appears.

Comment 4 Gunter.Folger 2014-12-16 12:20:44 CET

This problem was caused by a rare case of the spectator nucleus destroyed, i.e. all nucleons of the spectator nucleus had an interaction. In this case there was an inconsistant handling of the spectator nucleons, causing this warning. This has been corrected in Geant4 10.1.

Comment 5 Gunter.Folger 2015-02-03 09:46:01 CET

Fixed in Geant4.10.1