Useful info on Babar                                                                        Kenji Hamano

Last modified : Jan 02, 2006                                              Back to Home

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Data taking
  Period
     Run1 : 22OCT1999 - 28OCT2000
     Run2 : 10FEB2001 - 30JUN2002
     Run3 : 08DEC2002 - 30JUN2003
     Run4 : 20SEP2003 - 31JUL2004
     Run5a : 16APR2005 - 10OCT2005
     (before FEX bug fix : 16APR2005 - 03AUG2005)
     (after FEX bug fix : 03AUG2005 - 10OCT2005)
     Run5b : 19NOV2005 -
  Runs
     Run1 : 9932 - 17106
     Run2 : 18149 - 29435
     Run3 : 32955 - 39320
     Run4 : 40288 - 50635
     Run5a : 53732 - 58475
     (before FEX bug fix : 53732 - 56797)
     (after FEX bug fix : 56798 - 58745)
     Run5b : 59485 -
  Luminosity (B counting)
     Run1 : 19.458 fb-1
     Run2 : 60.266
     Run3 : 31.061
     Run4 : 99.762
     Run1-4 total: 210.549
     Run5 :

Number of B in Run1-4
  Cross section of bbbar = 1.05 nb
  Number of bbbar paires = 210.549 * 1.05e6 = 221.1e6
  Number of BpBm paires = number of B0B0bar paires = 110.05e6
  Number of charge B = number of neutral B = 221.1e6

DCH high voltage
     1900V : OCT1999 - 10JUL2000
     1960V : 10JUL2000 - JAN2001
     1930V : JAN2001 - now

     1960V (Run0) : 01Jan1999 00:00:00 to 22Oct1999 17:37:25
     1900V (Run1) : 22Oct1999 17:37:25 to 10Jul2000 09:06:54
     1960V (Run1) : 10Jul2000 09:06:54 to 15Jan2001 17:17:32
     1900V (Run2) : 15Jan2001 17:17:32 to 22Jan2001 15:57:00
     1930V (Run2-5): 22Jan2001 15:57:00 to +Infinity

BbkDatasetTcl --run_select 53736-62238
BbkDatasetTcl --condalias_select 200001-200012
BbkDatasetTcl --dbname bbkr18
ir2runs 53732

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Interactive Kanga
   > Kanga
   root[0] KanEventSource* inFile = KanEventSource::micro();
   root[1] inFile->Add("/store/PRskims/R14/16.1.1b/BToDlnu/58/BToDlnu_5831");
   root[2] inFile->getComponent(1)->Print();

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