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Simulator status of particles in MC collection [message #1884] Thu, 08 October 2009 02:54
cbartels
Messages: 1
Registered: October 2009
Location: DESY
I've been checking the dumpevent printout of the MCParticle collections for some .slcio of the 2008 DESY mass production,
and i'm confused about the "v: vertex is not endpoint of parent" bit. It seems that when the bit is set, the vertex actually IS the endpoint of the parent, and vice versa. An example is below.
Maybe there is a bug in dumpevent or Mokka?

I used the afs binaries in:
/afs/desy.de/group/it/ilcsoft/v01-06/Marlin/v00-10-04/

Greets,
Christoph


In this printout the particle with index 5 has the endpoint of the parent 4 as vertex, although the v-bit is set.

collection name : MCParticlesSkimmed
parameters:

--------------- print out of MCParticle collection ---------------

flag: 0x0
simulator status bits: [sbvtcls] s: created in simulation b: backscatter v: vertex is not endpoint of parent t: decayed in tracker c: decayed in calorim
eter l: has left detector s: stopped


[ id ]index| PDG | px, py, pz | energy |gen|[simstat]| vertex x, y , z | endpoint x, y , z | mass | ch
arge | [parents] - [daughters] |

[0000661c] 0| 22| 2.88e-06,-5.29e-06, 1.12e-02| 1.12e-02| 1 |[ l ]| 0.00e+00, 0.00e+00, 0.00e+00| 3.59e+00,-6.59e+00, 1.40e+04| 0.00e+00| 0.0
0e+00| [] - []
[0000661d] 1| 22|-1.15e-08,-2.40e-09,-4.80e-07| 4.80e-07| 1 |[ c s]| 0.00e+00, 0.00e+00, 0.00e+00|-5.99e+01,-1.25e+01,-2.51e+03| 0.00e+00| 0.0
0e+00| [] - []
[0000661e] 2| 12|-1.85e+02,-5.99e+01, 9.84e+01| 2.18e+02| 1 |[ l ]| 0.00e+00, 0.00e+00, 0.00e+00|-7.50e+03,-2.43e+03, 4.00e+03| 0.00e+00| 0.0
0e+00| [] - []
[0000661f] 3| -12| 1.80e+02, 4.74e+01,-8.15e+00| 1.86e+02| 1 |[ l ]| 0.00e+00, 0.00e+00, 0.00e+00| 7.50e+03, 1.98e+03,-3.39e+02| 0.00e+00| 0.0
0e+00| [] - []
[00006620] 4| 22| 4.63e+00, 1.25e+01,-9.30e+01| 9.40e+01| 1 |[ t s]| 0.00e+00, 0.00e+00, 0.00e+00| 1.54e+01, 4.15e+01,-3.09e+02| 0.00e+00| 0.0
0e+00| [] - [5,14]
[00006621] 5| -11| 3.15e+00, 8.48e+00,-6.32e+01| 6.38e+01| 0 |[s v c s]| 1.54e+01, 4.15e+01,-3.09e+02| 1.29e+02, 3.35e+02,-2.49e+03| 5.11e-04| 1.0
0e+00| [4] - [6]
[00006622] 6| 22| 2.42e-01, 5.81e-01,-4.31e+00| 4.36e+00| 0 |[s c s]| 1.29e+02, 3.30e+02,-2.47e+03| 1.29e+02, 3.31e+02,-2.48e+03| 0.00e+00| 0.0
0e+00| [5] - [7]

[Updated on: Thu, 08 October 2009 02:59]

 
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