Trigger Validation Olga Igonkina (U.Oregon), Ricardo Gonçalo (RHUL) on behalf of trigger community Physics Validation Meeting – Feb. 13, 2007.

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Presentation transcript:

Trigger Validation Olga Igonkina (U.Oregon), Ricardo Gonçalo (RHUL) on behalf of trigger community Physics Validation Meeting – Feb. 13, 2007

13 Feb. 07Atlas Physics Validation2 Outline: New tags in To come in Remaining problems

13 Feb. 07Atlas Physics Validation

13 Feb. 07Atlas Physics Validation4 Issues from last meeting/ –e15i: doesn’t exist in menu L2_e15iL2_e15i/ EF_e15iEF_e15i is the right signature to search for in TriggerDecision –L2_e10L2e10: not a separate signature; this is created to feed into L2_Ze10e10; should not be satisfied in TriggerDecision –L2_Z(e10e10): now called L2_Ze10e10 (more info later) this is not clear at the moment, we may have to live without it –EF_MuonTRTExt_mu6l: this should be EF_mu6l, which is ok –Trigger rate on min. bias higher at EF than L2: this was a problem with the plot –L1_FJ30: just fixed (~20mins ago)… see later in the talk

13 Feb. 07Atlas Physics Validation Fixed Savannah bugs: –23272: now possible to distinguish electron and photon containers in ESD/AOD; see Valeria’s talk in last meeting: –23399: L2_Z(e10e10) signature name changed to L2_Ze10e10 plus branch/leaf names in CBNT_TriggerDecision to avoid problems with ROOT::MakeClass() –23374: segfault in e/  CBNT makers caused by ID tracks being removed from ESD (to reduce size) –23477: TrigVertexFitter fix for rare (1/10,000) failed assertion in B-physics code

13 Feb. 07Atlas Physics Validation (cont) Other issues: Please remember to always use CSC-06 or CSC GeV with ! –Problems reported this morning when using wrong configuration Feature: efficiency of muon signatures: –Care must be taken when interpreting the L1 muon signatures: L1 sends to L2 only the highest threshold passed If L1_MU06 and L1_MU20 passed then only L1_MU20 is passed to L2 If L1_MU06 and L1_MU08 passed, L1_MU06L1_MU06 fails! New tag to fix forward jet signature L1_FJ30 not seen in TriggerDecision: –Ongoing work: new problem identified last night –New TrigT1Calo tag fixed L1_FR10 (i.e. right) but L1_FL10 (left) still not working: can’t get left+right L1_FJ30 –There is now a fix for this…

13 Feb. 07Atlas Physics Validation7 Trigger configuration in Two trigger configurations available: General MC production: TriggerConfig “CSC-06” B-physics MC production: TriggerConfig “CSC GeV” Only differences wrt “CSC-05”: –New Level jet 1 thresholds added: L1_J60 (35GeV), L1_J80 (55GeV), L1_J170 (80GeV), L1_J300 (150GeV) –HLT: L2_Z(e10e10) changed to L2_Ze10e10 Photon signatures now have Event Filter algorithms HLT e15i chains now start from Level 1 EM11I (isolation) instead of EM11 “STR-01” configuration added for streaming tests

13 Feb. 07Atlas Physics Validation8 At a glance…

13 Feb. 07Atlas Physics Validation9

13 Feb. 07Atlas Physics Validation10

13 Feb. 07Atlas Physics Validation11 e/gamma Validation (Valeria) e25i2g20i2e15ie60g60 L17.9 kHz558 Hz 1.4 kHz Levele25i2e15i L L EF575** All results compartible with Trigger Efficiencies and rates were calculated from TriggerDecision TriggerDecision filled correctly for all electrons and photons signatures H  (120 GeV) dijets J17 Cross section * filter efficiency = mb TriggerConfig CSC-06 was used in productions First look at reconstucted AODs. Produced CBNT from AOD’s for the following datasets: trig1_misal1_mc JF17_pythia_jet_filter (6.5k) trig1_misal1_csc PythiaH120gamgam (4 K) trig1_misal1_csc T1_McAtNlo_Jimmy (2.5K) Level2g20ig60 L188.0%87.0% L271.0%72.0% EF62.0%68.0% Top events (2500 ev)

13 Feb. 07Atlas Physics Validation

13 Feb. 07Atlas Physics Validation13 For Fixed: AOD  SAN step required changes in CBNTAA_TriggerDecision (fixes due to Ketevi and Monika, thanks!) The following are not (yet?) lined up for : –A fix for the L1_FJ30 signature exists –A fix for exists to change level 2 TRTxK  range from old convention [0,2  ] to [- ,  ] (Savannah bug 23701)

13 Feb. 07Atlas Physics Validation14 Remaining problems/features

13 Feb. 07Atlas Physics Validation15 These will be corrected in rel.13, and many new features added Minor bugs: Some trigger algorithms/objects still follow wrong  -range convention –No known problems: values corrected locally where used, but should be fixed to avoid future bugs TriggerDecision: –TriggerDecision::signatures() – returns 3 times L1 menu instead of all signatures –TriggerDecision::ignore_TriggerItems() – works only for 1 st signature in the list (if it is an “invisible” signature) –Workarounds in: Other: –L2_Ze10e10: not sure about this one ongoing work

13 Feb. 07Atlas Physics Validation16 A couple of comments from people doing validation: 1.Access to data is not reliable: –When data is being replicated to different sites it becomes temporarily unavailable on original site –This usually happens on mondays before the validation meeting when support response is slow due to many other dq2 requests –Maybe these samples should have higher priority 2.It would be a great help if patched releases would be installed in AFS 1.Many people end up wasting time to set up the patched release by getting all the extra tags 2.Alternatively getting the cache should be straightforward and well documented

13 Feb. 07Atlas Physics Validation17 Summary validated in several slices A few problems found that will be fixed in Remaining problems are in principle small and hopefully we can live with them (e.g. minor TriggerDecision bugs, workarounds exist) The bug fixes mentioned here benefited much from user/validators feedback (thanks!)

13 Feb. 07Atlas Physics Validation18 Backup

13 Feb. 07Atlas Physics Validation19 CSC-06 menu Level 1 here; HLT next two pages CSC GeV not shown Note that these are NOT optimised: some efficiencies and rates are NOT realistic The level of realism varies: better ask… Some are not physics signatures (e10, tauNoCut, etc) That’s why we need physics data with trigger information From:

13 Feb. 07Atlas Physics Validation20

13 Feb. 07Atlas Physics Validation21

13 Feb. 07Atlas Physics Validation22 Trigger tags in wrt TriggerRelease Trigger/TriggerRelease Hypothesis algorithms for different slices TrigEgammaHypo Trigger/TrigHypothesis/TrigEgammaHypo TrigJetHypo Trigger/TrigHypothesis/TrigJetHypo TrigMissingETHypo Trigger/TrigHypothesis/TrigMissingETHypo Feature Extraction algorithms TrigT1Calo Trigger/TrigT1/TrigT1Calo TrigVertexFitter Trigger/TrigTools/TrigVertexFitter User interface TrigDecisionMaker Trigger/TrigAnalysis/TrigDecisionMaker TrigNtEgamma Trigger/TrigAnalysis/TrigNtEgamma