July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 11

SUSY DILEPTON SUSY DILEPTON TRIGGERTRIGGER

MONITORING MONITORINGM.Rossi M.Rossi

(Udine University)(Udine University)

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 22

RUNS RUNS

ONLINE bits required to be good:ONLINE bits required to be good:

CLC,L1T,L2T,L3T,CAL,COT,CMU,CMP,CMX,SMXCLC,L1T,L2T,L3T,CAL,COT,CMU,CMP,CMX,SMX OFFLINE bits required to be good:OFFLINE bits required to be good:

COT,CAL,CMU,CMP,CMX COT,CAL,CMU,CMP,CMX RUN < 179056, when COT problems started RUN < 179056, when COT problems started

(February 13, 2004)(February 13, 2004)

938 RUNS, 220 pb-1

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 33

NOW CONSIDERINGNOW CONSIDERINGRUNSRUNS 782 runs, 140 pb782 runs, 140 pb-1-1 Time range: 2002.03 – 2004.02 Time range: 2002.03 – 2004.02 Trigger table range: PHYSICS_1_01_v1 / Trigger table range: PHYSICS_1_01_v1 /

PHYSICS_2_01_v4PHYSICS_2_01_v4

TRIGGER PATHSTRIGGER PATHS CEM4_CEM4 (DIELECTRON_CENTRAL_4)CEM4_CEM4 (DIELECTRON_CENTRAL_4) CEM4_CMUP4CEM4_CMUP4 CEM4_CMX4CEM4_CMX4 CMUP4_CMUP4CMUP4_CMUP4 CMUP4_CMX4CMUP4_CMX4

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 44

MONITORING VARIABLES MONITORING VARIABLES

RR events collected by the trigger path having events collected by the trigger path having one of the corresponding reconstructed lepton one of the corresponding reconstructed lepton

(per trigger path: R1(per trigger path: R11st lepton, R21st lepton, R22nd lepton)2nd lepton) QQ events, that have two reconstructed leptons,events, that have two reconstructed leptons,

not collected by the corresponding trigger pathnot collected by the corresponding trigger path RateRate events collected by trigger path events collected by trigger path

over the luminosity of the runover the luminosity of the run

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 55

CEM4_CMUP4CEM4_CMUP4 run

144628-150799

run167824-167847

run163113-163136

run168000-168086

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CEM4_CMX4CEM4_CMX4

run152942-152953

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CEM4_CEM4CEM4_CEM4

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CMUP4_CMX4CMUP4_CMX4

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CMUP4_CMUP4CMUP4_CMUP4

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STEP run 168000-168086STEP run 168000-168086

PHYSICS_1_05_v7 VS PHYSICS_1_05_v8

• New SUSY Dilepton paths to use 4 GeV CMU rather than restricting to CMUP• Lower CEM to 4 GeV to match other SUSY paths• New SUSY Dilepton backup paths

all Q distributions becomes less stable

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1111

STEP run 144628-150799STEP run 144628-150799

PHYSICS_1_01_v7 VS PHYSICS_1_02_v3

• Tighter CMX extrapolation (new version of L1 trigger for all CMX paths)• Cut on CES in L2

big step in rate distributions for CEM paths

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1212

STEP run 167824-167847STEP run 167824-167847

PHYSICS_1_05_v6 VS PHYSICS_1_05_v7

• Add COT and Silicon data compression to reconstruction trigger in Level 3 for good• Add MONITOR_DAQ_ERROR_v1 to find problems like BC miss match using new filter

all rate distributions becomes less stable

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1313

STEP run 163113-163136STEP run 163113-163136

PHYSICS_1_04_v9 VS PHYSICS_1_05_v1

• Nearly all electron and photon L3 triggers tightened• sinθ from track for electrons• New EM filter in 4.8.4 as 3-tower had/em

step in R distributions for CEM paths

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1414

STEP run 152942-152953STEP run 152942-152953

PHYSICS_1_02_v7 VS PHYSICS_1_03_v1

Add scintillator CSX to all CMX L1 triggers

step in R and rate distribution for CEM4_CMX4 path

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1515

SummarySummary

R: locally flat distribution that reflectsR: locally flat distribution that reflects

changes in the trigger tablechanges in the trigger table

locally stable trigger behaviuorlocally stable trigger behaviuor

NEXTNEXT 782 runs considered 782 runs considered complete 938 runs complete 938 runs

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1616

BACKUPBACKUP

DOWNSTREAMDOWNSTREAM APPROACHAPPROACH

For each TRIGGER PATH (T.P.) count:For each TRIGGER PATH (T.P.) count: N : # evts selected by the T.P. N : # evts selected by the T.P.

NN11: # evts with offline lepton 1: # evts with offline lepton 1

NN22: # evts with offline lepton 2: # evts with offline lepton 2

In ideal conditions R=1In ideal conditions R=1 (R~purity) (R~purity) For each lepton “type”, expect R values from different T.P. For each lepton “type”, expect R values from different T.P.

comparable and stable in time comparable and stable in time

R1 ≡ N1/N and R2 ≡ N2/N

July 19, 2004July 19, 2004 Multilepton MeetingMultilepton Meeting 1717

BACKUPBACKUPUPSTREAM APPROACHUPSTREAM APPROACH

N12 N12 ≡ events with lepton 1 && lepton 2 ≡ events with lepton 1 && lepton 2 reconstructed reconstructed offline leveloffline level NN00 ≡ events failing the i-th T.P. ≡ events failing the i-th T.P.

Qi Qi ≡≡ N N00/N/NABAB

In ideal conditions QIn ideal conditions Qi i = 0= 0