%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%% HISTORY OF THE GATEMASTER 3 : phiphi TRIGGER %%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ----RUN(S)# --|-- DATE --|------------- DESCRIPTION -------------------------- | | | | Initial phiphi trigger : | | ___ ____ ________ | | phiphi = (2h)*(COPL)*(FCH)*(FCAL)*(H2_logic) 533 | 10/01/96 | ________ ______ | | *(H2=3,4)*(Bundle#1)*(SF=3,4)*(KIN2B) | | _________ _______ | | * (H2=3,SF=3)*(SFup>=2)*(CCAL1-3) | | ________ | | * (CCAL18_20) ------------------------------------------------------------------------------ | | _______ _________ 737 | 10/31/96 | - Taken out CCAL1-3*CCAL18_20 from the P_MLU | | ------------------------------------------------------------------------------ | | 745 | 11/10/96 | - Taken out KIN2B and SFup>=2 logics | | ----------------------------------------------------------------------------- | | | 11/19/96 | - KIN2B is back in the trigger and | | ________ | | Bundle#2 is added so the trigger is : | | ___ ____ ________ | | phiphi = (2h)*(COPL)*(FCH)*(FCAL)*(H2_logic) 801 | | ________ ________ | | * (H2=3,4)*(Bundle#1)*(Bundle#2) | | _________ | | * (H2=3,SF=3)*(SF=3,4)*(KIN2B) | | ---------------------------------------------------------------------------- | | 1074 | 1/25/97 | - Fixed some bad contact for B16,B17,B18 | | ---------------------------------------------------------------------------- | | 1122 | 2/4/97 | - Fibers off for about 87 nb^-1 | | ---------------------------------------------------------------------------- | | 1271-1273 | 2/21/97 | - B7 missing due to bad QPA02 connector | | ---------------------------------------------------------------------------- | | ____ 2175 | 5/5/97 | Taken out FCAL | | ---------------------------------------------------------------------------- | | 2175-2192 | 5/5/97 | No FCH veto (FCAL II study) | | ----------------------------------------------------------------------------- | | _ | | - Special runs to study the PP trigger efficiency 2207 | 5/14/97 | no phiphi trigger for this run | | (see history of GM2) | | ----------------------------------------------------------------------------- | | _ | | - Special runs to study the PP trigger efficiency 2225-2230 | 5/16/97 | no phiphi trigger for these runs | | (see history of GM2) | | ------------------------------------------------------------------------------ | | 3039-3040 | 7/22/97 | - Fibers OFF for part of the runs (cryogenic | | problems) | | ----------------------------------------------------------------------------- | | 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 | | ----------------------------------------------------------------------------- | | | | Bundles 2,3 and 9,10 are swapped in order to have 3246 | 8/24/97 | the right bundle (Chi_0 3418 GeV) in the PPbar | | trigger | | ------------------------------------------------------------------------------ | | 2350 | 8/27/97 | Bundles 2,3 swapped back to the right position | | ----------------------------------------------------------------------------- | | 3250-3254 | 8/27/97 | No PhiPhi trigger due to cryogenic problems | | ----------------------------------------------------------------------------- | | 3265 | 8/28/97 | Bundles 2,3 swapped again (Chi_0 energy) | | ---------------------------------------------------------------------------- | | 3286 | 9/02/97 | Swapped bundles 9,10 | | ------------------------------------------------------------------------------- | | 3295 | 9/05/97 | The SCI-FI detector is OFF (NO more Helium for | | the VLPCs) | | ------------------------------------------------------------------------------ %%%%% No special runs were taken for the PhiPhi trigger %%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% For questions or comments please contact : Wander Baldini : - wander@fnal.gov - baldini@axpfe.fe.infn.it