%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%% HISTORY OF THE GM2 : PPbar 90deg %%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ----RUN(S)# --|-- DATE --|------------- DESCRIPTION --------------------------- | | | | Initial trigger : | | ___ ____ | | PPbar90 = (2h)*(H2=2)*(COPL)*(FCH)*(FCAL)* 533 | 10/01/97 | ________ | | *(PPbar90 bundle)*(H2_logic)*(SF=1) | | --------------------------------------------------------------------------- | | 1036-1040 | 1/21/97 | - Wrong bundle : B12 instead of B11 (Eta'_c) | | ---------------------------------------------------------------------------- | | 1074 | 1/25/97 | - Fixed some bad contact for B16,B17,B18 | | ---------------------------------------------------------------------------- | | 1093 | 1/27/97 | - Wrong bundle : B11 instead of B8 (Eta_c) | | ---------------------------------------------------------------------------- | | 1122 | 2/4/97 | - Fibers off for about 87 nb^-1 | | ---------------------------------------------------------------------------- | | 1193 | 2/12/97 | - Wrong bundle | | ---------------------------------------------------------------------------- | | 1127-1131 | 2/5/97 | - Wrong bundles (Eta'_c) | | ---------------------------------------------------------------------------- | | 1271-1273 | 2/21/97 | - B7 missing due to bad QPA02 connector | | ---------------------------------------------------------------------------- | | 2042-2046 | 4/13/97 | - Wrong bundle | | ---------------------------------------------------------------------------- | | ____ 2075 | 4/17/97 | - Taken out FCAL (from all the triggers) | | ------------------------------------------------------------------------------ | | 2075-2092 | 4/20/97 | - No FCH veto (FCAL II study) | | ------------------------------------------------------------------------------ | | 2192-2194 | 5/13/97 | - Wrong bundle B8 instead of B11 | | ------------------------------------------------------------------------------ | | 2259-2261 | 5/20/97 | - Wrong bundles B12 instead B8 | | ------------------------------------------------------------------------------ | | 3039-3040 | 7/22/97 | - Fibers OFF for part of the runs (cryogenic | | problems) | | ----------------------------------------------------------------------------- | | 3081-3083 | 7/31/97 | - Wrong bundle : B8 instead of B11 | | ------------------------------------------------------------------------------ | | 3118 | 8/5/97 | - FERA Crate replaced | | ------------------------------------------------------------------------------ | | 3235 | 8/23/97 | - PCOS crate uncabled and recabled | | ------------------------------------------------------------------------------ | | 3235-3240 | 8/23/97 | - No B3 signal to the TDC | | ----------------------------------------------------------------------------- | | 3245 | 8/23/97 | - Wrong bundle (Chi_0 3418 GeV) | | ----------------------------------------------------------------------------- | | | | Bundles 2,3 and 9,10 are swapped in order to have 3246 | 8/24/97 | the right bundle (Chi_0 3418 GeV) | | (PPbar 90 deg bundle : 10) | | ------------------------------------------------------------------------------ | | 2350 | 8/27/97 | Bundles 2,3 swapped back to the right position | | ----------------------------------------------------------------------------- | | 3250-3254 | 8/27/97 | No PPbar trigger due to cryogenic problems | | ----------------------------------------------------------------------------- | | 3265 | 8/28/97 | Bundles 2,3 swapped again (Chi_0 energy) | | ---------------------------------------------------------------------------- | | | | Changed the PPbar90 logic (for J/Psi) : 3284 | 9/01/97 | ___ ________ | | PPbar90 = (2h)*(H2=2)*(COPL)*(FCH) * (H2_logic) * | | | | * [(SF=2)*(B8.and.B9) + (SF=1)*(B8.or.B9)] | | | | The bundles are in the right position (no swaps) | | ------------------------------------------------------------------------------- | | | | The PPbar trigger is (Chi_1 energy) : | | ________ 3286-3290 | 9/02/97 | PPbar90 = (2h)*(H2=2)*(COPL)*(FCH) * (H2_logic) * | | | | * [(SF=2)*(B10.and.B11) + (SF=1)*(B10.or.B11)] | | ------------------------------------------------------------------------------ | | 3295 | 9/05/97 | The SCI-FI detector is OFF (NO more Helium for | | the VLPCs) | | ------------------------------------------------------------------------------ %%%%%%%%%%%%%%%%%%%%%%%%% LIST OF SPECIAL RUNS %%%%%%%%%%%%%%%%%%%%%%%%%%%%% ----------------------------------------------------------------------------- | | | | Special run to study the PPbar trigger efficiency : | | Instead of GM3 there is the trigger : 2207 | | ___ | | PPbar_special = (2h)*(COPL)*(FCH)*(B2XB17) | | | | Prescaling factor is : 40 | | ------------------------------------------------------------------------------ | | | | Special run to study the PPbar trigger efficiency : | | Instead of GM3 there is the trigger : 2225-2230 | | ___ | | PPbar_special = (2h)*(COPL)*(H2=2)*(FCH) | | | | Prescaling factor is : 120 | | ------------------------------------------------------------------------------ %%%%%%%%%%%% Table with the correspondence Energy-->PPbar90 deg Bundle %%%%%%% ----------------------------------- | Energy | Bundle# | ----------------------------------- | | | | Eta_c | 8 | | | | ----------------------------------- | | | | J/Psi | 8-9 | | | | ----------------------------------- | | | | Chi_0 | 10 | | | | ----------------------------------- | | | | Chi_1 | 10-11 | | | | ----------------------------------- | | | | 1P1 | 11 | | | | ----------------------------------- | | | | Chi_2 | 11 | | | | ----------------------------------- | | | | Eta'_c | 11-12 | | | | ----------------------------------- | | | | Psi' | 12 | | | | ----------------------------------- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% For questions or comments please contact : Wander Baldini : - wander@fnal.gov - baldini@axpfe.fe.infn.it