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Commit | Line | Data |
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930e6e3e | 1 | void sim(Int_t nev=4) { |
478d5b53 | 2 | const char * kYear = "08" ; |
3 | AliSimulation simu; | |
930e6e3e | 4 | // simu.SetMakeSDigits("TRD TOF PHOS HMPID EMCAL MUON FMD PMD T0 ZDC VZERO"); |
5 | simu.SetMakeSDigits("TRD TOF PHOS HMPID EMCAL PMD T0 ZDC VZERO"); | |
6 | simu.SetMakeDigits ("TRD TOF PHOS HMPID EMCAL PMD T0 ZDC VZERO"); | |
7 | // simu.SetMakeDigits ("TRD TOF PHOS HMPID EMCAL MUON FMD PMD T0 ZDC VZERO"); | |
478d5b53 | 8 | simu.SetMakeDigitsFromHits("ITS TPC"); |
9 | simu.SetWriteRawData("ALL","raw.root",kTRUE); | |
59932366 | 10 | // simu.SetDefaultStorage("alien://Folder=/alice/data/2008/LHC08c/OCDB/"); |
f66339d1 | 11 | simu.SetDefaultStorage("local://$ALICE_ROOT"); |
478d5b53 | 12 | simu.SetSpecificStorage("EMCAL/*","local://DB"); |
13 | ||
f66339d1 | 14 | simu.SetRunQA("ALL:ALL") ; |
51757634 | 15 | // AliQA::SetQARefStorage(Form("%s%s/", AliQA::GetQARefDefaultStorage(), kYear)) ; |
16 | AliQA::SetQARefStorage("local://$ALICE_ROOT") ; | |
80336a64 | 17 | // AliQA::SetQARefDataDirName(AliQA::kMONTECARLO) ; //RUN_TYPE |
930e6e3e | 18 | for (Int_t det = 0 ; det < AliQA::kNDET ; det++) { |
19 | simu.SetQACycles(det, 2) ; | |
20 | } | |
21 | ||
478d5b53 | 22 | TStopwatch timer; |
23 | timer.Start(); | |
24 | simu.Run(nev); | |
25 | WriteXsection(); | |
26 | timer.Stop(); | |
27 | timer.Print(); | |
28 | } | |
29 | ||
30 | WriteXsection() | |
31 | { | |
32 | TPythia6 *pythia = TPythia6::Instance(); | |
33 | pythia->Pystat(1); | |
34 | Double_t xsection = pythia->GetPARI(1); | |
35 | Int_t ntrials = pythia->GetMSTI(5); | |
36 | ||
37 | TTree *tree = new TTree("Xsection","Pythia cross section"); | |
38 | TBranch *branch = tree->Branch("xsection", &xsection, "X/D"); | |
39 | TBranch *branch = tree->Branch("ntrials" , &ntrials , "X/i"); | |
40 | tree->Fill(); | |
41 | ||
42 | TFile *file = new TFile("pyxsec.root","recreate"); | |
43 | tree->Write(); | |
44 | file->Close(); | |
45 | ||
46 | cout << "Pythia cross section: " << xsection | |
47 | << ", number of trials: " << ntrials << endl; | |
48 | } | |
49 |