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gaudi:modifyparticletable

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gaudi:modifyparticletable [2011/09/06 16:02] – decianmgaudi:modifyparticletable [2011/09/14 09:35] (current) – che
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 ===== Idea ===== ===== Idea =====
 You can modify the properties of particles, which are stored in the DDDB under param/ParticleTable.txt. This can be useful e.g. in Gauss. You can modify the properties of particles, which are stored in the DDDB under param/ParticleTable.txt. This can be useful e.g. in Gauss.
-===== How to ===== +===== How (not) to ===== 
-This example is for Gauss v40r2p3. In Gauss-Job.py (or similar) write:+This example is for Gauss v40r2p3 and does not fully seem to work. In Gauss-Job.py (or similar) write:
 <code python> <code python>
 from Configurables import LHCb__ParticlePropertySvc as ParticlePropertySvc from Configurables import LHCb__ParticlePropertySvc as ParticlePropertySvc
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 </code> </code>
 if you want to modify the properties of the K*_2(1430) and its antiparticle. The columns are: if you want to modify the properties of the K*_2(1430) and its antiparticle. The columns are:
-<verbatim>+<file>
 Particle GeantID PDGID CHARGE MASS(GeV) LIFETIME(s) EVTGENNAME PYTHIAID MAXWIDTH Particle GeantID PDGID CHARGE MASS(GeV) LIFETIME(s) EVTGENNAME PYTHIAID MAXWIDTH
-</verbatim>+</file> 
 +  * **Note**: You have to write all the modifications in one list. 
 +If this does not give you what you want, try adding in your someNumber.opts file: 
 +<code python> 
 +ParticlePropertySvc.Particles = { "K*_2(1430)0         153         315  0.0        0.100000   1.0e-10                    K_2*0         315        0.0",  
 +                                  "K*_2(1430)~0        154        -315  0.0        0.100000   1.0e-10               anti-K_2*0        -315        0.0" }; 
 +</code>                                 
 +===== Check ===== 
 +At the beginning of your Gauss job, you should then see something like: 
 +<code> 
 +ParticlePropertySvc        INFO Opened particle properties file : conddb:///param/ParticleTable.txt 
 +ParticlePropertySvc     SUCCESS  Add/Modify the particle:  name='K*_2(1430)0' geant=153 jetset=315 charge=0 mass=0.1 ltime=1e-10 evtgen='K_2*0' pythia=315 maxwid=0 
 +ParticlePropertySvc        INFO Properties have been redefined for 1 particles : [ 'K*_2(1430)0' ] 
 +ParticlePropertySvc     SUCCESS  Add/Modify the particle:  name='K*_2(1430)~0' geant=154 jetset=-315 charge=0 mass=0.1 ltime=1e-10 evtgen='anti-K_2*0' pythia=-315 maxwid=0 
 +ParticlePropertySvc        INFO Properties have been redefined for 1 particles : [ 'K*_2(1430)~0' ] 
 +</code>
gaudi/modifyparticletable.1315317743.txt.gz · Last modified: by decianm

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