With gspart you can define additional (or modify existing) particles in (H)Geant.
uginit.F: call gspart(52,"omega",3,0.7819,0.,7.808e-23 ,ubuf,0) ! omega meson
uginit.F: call gspart(41,"rho0",3,0.7699,0.,4.37e-24 ,ubuf,0) ! rho meson
uginit.F: call gspart(42,"rho+",4,0.7699,1.,4.37e-24 ,ubuf,0)
uginit.F: call gspart(43,"rho-",4,0.7699,-1.,4.37e-24 ,ubuf,0)
uginit.F: call gspart(55,"phi",3,1.0194,0.,1.486e-22 ,ubuf,0) ! phi
uginit.F: call gspart(53,"etaprime",3,0.9577,0.,3.275e-21 ,ubuf,0) ! etaprime
uginit.F: call gspart(34,"Delta0",3,1.232,0.,5.48e-24 ,ubuf,0) ! Delta0
uginit.F: call gspart(35,"Delta++",4,1.232,2.,5.48e-24 ,ubuf,0) ! Delta++
uginit.F: call gspart(36,"Delta+",4,1.232,1.,5.48e-24 ,ubuf,0) ! Delta+
uginit.F: call gspart(37,"Delta-",4,1.232,-1.,5.48e-24 ,ubuf,0) ! Delta-
Syntax:
CALL GSPART (IPART,CHNPAR,ITRTYP,AMASS,CHARGE,TLIFE,UB,NWB)
Stores the constants describing the particle. IPART in the data structure JPART.
| IPART |
(INTEGER) particle number; |
| CHNPAR |
(CHARACTER*20) particle name; |
| ITRTYP |
(INTEGER) type of tracking routine requested: |
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1 particle tracked by GTGAMA; |
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2 particle tracked by GTELEC; |
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3 particle tracked by GTNEUT; |
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4 particle tracked by GTHADR; |
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5 particle tracked by GTMUON; |
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6 geantino tracked by GTNINO; |
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7 heavy ion tracked by GTCKOV; |
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8 light photon tracked by GTHION; |
| AMASS |
(REAL) particle mass in GeV; |
| CHARGE |
(REAL) particle charge; |
| TLIFE |
(REAL) particle life time (in seconds); |
| UB |
(REAL) array of NWB user additional parameters; |
| NWB |
(INTEGER). |