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1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
3 | * * |
4 | * Author: The ALICE Off-line Project. * |
5 | * Contributors are mentioned in the code where appropriate. * |
6 | * * |
7 | * Permission to use, copy, modify and distribute this software and its * |
8 | * documentation strictly for non-commercial purposes is hereby granted * |
9 | * without fee, provided that the above copyright notice appears in all * |
10 | * copies and that both the copyright notice and this permission notice * |
11 | * appear in the supporting documentation. The authors make no claims * |
12 | * about the suitability of this software for any purpose. It is * |
13 | * provided "as is" without express or implied warranty. * |
14 | **************************************************************************/ |
15 | |
16 | /* |
17 | $Log$ |
5c618045 |
18 | Revision 1.3 2001/03/16 09:48:35 morsch |
19 | Exclude pdg particle definitions. Done by root now by default from Pythia6 table. |
20 | |
41fc1188 |
21 | Revision 1.2 2001/01/31 14:32:42 morsch |
22 | Some B mesons added |
23 | |
7f13be08 |
24 | Revision 1.1 2000/12/21 16:48:39 morsch |
25 | AliPDG class, first commit. |
26 | |
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27 | */ |
28 | |
29 | // Class to encapsulate the ALICE updates to TDatabasePDG.h |
30 | // Can be used by TGeant3 and TGeant4 |
31 | // It contains also the constants for the PDG particle IDs. |
32 | // Should evolve towards dynamical loading from external data base. |
33 | // Comments to: andreas.morsch@cern.ch |
34 | |
35 | #include "AliPDG.h" |
36 | #include "TDatabasePDG.h" |
37 | |
38 | ClassImp(AliPDG) |
39 | |
40 | void AliPDG::AddParticlesToPdgDataBase() |
41 | { |
42 | |
43 | // |
44 | // Add particles to the PDG data base |
45 | |
46 | TDatabasePDG *pdgDB = TDatabasePDG::Instance(); |
47 | |
48 | const Int_t kion=10000000; |
49 | const Int_t kspe=50000000; |
50 | |
51 | const Double_t kAu2Gev=0.9314943228; |
52 | const Double_t khSlash = 1.0545726663e-27; |
53 | const Double_t kErg2Gev = 1/1.6021773349e-3; |
54 | const Double_t khShGev = khSlash*kErg2Gev; |
55 | const Double_t kYear2Sec = 3600*24*365.25; |
56 | // |
57 | // Bottom mesons |
58 | // mass and life-time from PDG |
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59 | // |
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60 | pdgDB->AddParticle("Upsilon(3S)","Upsilon(3S)",10.3552,kTRUE, |
61 | 0,1,"Bottonium",200553); |
62 | |
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63 | // Done by default now from Pythia6 table! |
64 | // |
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65 | // |
66 | // Ions |
67 | // |
68 | |
69 | pdgDB->AddParticle("Deuteron","Deuteron",2*kAu2Gev+8.071e-3,kTRUE, |
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70 | 0,1,"Ion",kion+10020); |
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71 | pdgDB->AddParticle("Triton","Triton",3*kAu2Gev+14.931e-3,kFALSE, |
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72 | khShGev/(12.33*kYear2Sec),1,"Ion",kion+10030); |
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73 | pdgDB->AddParticle("Alpha","Alpha",4*kAu2Gev+2.424e-3,kTRUE, |
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74 | khShGev/(12.33*kYear2Sec),2,"Ion",kion+20040); |
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75 | pdgDB->AddParticle("HE3","HE3",3*kAu2Gev+14.931e-3,kFALSE, |
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76 | 0,2,"Ion",kion+20030); |
77 | // Special particles |
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78 | // |
79 | pdgDB->AddParticle("Cherenkov","Cherenkov",0,kFALSE, |
80 | 0,0,"Special",kspe+50); |
81 | pdgDB->AddParticle("FeedbackPhoton","FeedbackPhoton",0,kFALSE, |
82 | 0,0,"Special",kspe+51); |
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83 | |
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84 | } |
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85 | |
86 | |