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Accidentals rate vs running period

Accidentals rate vs running period. Accidental rate : - P1A,P2A,P1Atw,P2Atw - comparison MC vs Data - with/without corrections Corrections table along the running periods. S.Miscetti. MC meeting 22-Dec-2004. S.Miscetti. Identification of the rate problem ??.

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Accidentals rate vs running period

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  1. Accidentals rate vs running period • Accidental rate : • - P1A,P2A,P1Atw,P2Atw • - comparison MC vs Data • - with/without corrections • Corrections table along the running periods S.Miscetti MC meeting 22-Dec-2004 S.Miscetti

  2. Identification of the rate problem ?? The problem of P1A is related to the fact that in BGG files there is always at least one accidental hit which is a condition mostly satisfied in 2001 (testing sample) Not at all in 2002! The rate problem can be partially fixed by measuring P1A for the whole 2001-2002 period and scaling it whenever P1A < 100% S.Miscetti

  3. Prob.Acci vs run period (2001) Data • Bins of 10 pb-1 •  PA(ge 1) no cuts •  PA1 no cuts •  PA2 no cuts • All numbers obtained • by counting in Early • TW and extrapolated • to the whole range with • TDCwidth = 190 ns MC

  4. Prob.Acci (corrected) vs run period (2001) Data • Bins of 10 pb-1 • All MC numbers • corrected by the • Data/MC ratio • of PA(ge 1) to take • into account the • case with no hits • in the selbkg file. MC

  5. Prob.Acci vs run period (2002) Data MC

  6. Prob.Acci (corrected) vs run period (2002) Data MC

  7. Prob.Acci in TW vs run period (2001) P1ATW P2ATW Prob obtained by extrapolating by the early TW ... 10-20 % precision • DATA • MC • MC without corr • MC corrected by R Correction OK for 1A Overcorrection for 2A OK for T0loss

  8. Prob.Acci in TW vs run period (2002) P1ATW P2ATW Prob obtained by extrapolating by the early TW ... 10-20 % precision • DATA • MC • MC without corr • MC corrected by R Correction OK for 1A Overcorrection for 2A OK for T0loss

  9. Correction factors vs run period (2001) runmin runmax P1A(%) P2A(%) P1A(%)P2A(%)R factorP1A_cor P2A_cor 17500.00 19059.00 0.6961407 0.1156164 0.9745483 0.9099301E-01 0.7823050 0.7623940 0.7118430E-01 19059.00 19385.00 0.7017964 0.1596806 1.103994 0.1138742 0.8047730 0.8884610 0.9164270E-01 19385.00 19782.00 0.9004024 0.1727029 1.076300 0.1215395 0.9410380 1.012840 0.1143740 19782.00 20191.00 0.8315204 0.1466441 1.073189 0.1251422 0.8623920 0.9255100 0.1079210 20191.00 20492.00 0.9265859 0.1465115 1.094440 0.1286093 0.9536720 1.043740 0.1226510 20492.00 21061.00 0.8768613 0.1386591 1.067852 0.1126690 0.9032990 0.9645880 0.1017740 21061.00 21390.00 0.7717725 0.1227283 1.094331 0.1038795 0.8156380 0.8925770 0.8472770E-01 21390.00 21592.00 0.6755515 0.1547181 0.9739469 0.1099748 0.7648190 0.7448930 0.8411100E-01 21592.00 21801.00 0.6141989 0.1253308 1.013951 0.1191662 0.7063600 0.7162140 0.8417410E-01 21801.00 22099.00 0.4105928 0.7855523E-01 0.8658659 0.9509510E-01 0.5491480 0.4754890 0.5222130E-01 22099.00 22245.00 0.6580211 0.9365994E-01 0.9356500 0.1111111 0.7104400 0.6647230 0.7893770E-01 22245.00 22459.00 0.7371183 0.1566476 1.069690 0.1242634 0.8258680 0.8834230 0.1026250 22459.00 22626.00 0.9328538 0.1566747 1.053745 0.1443145 0.9625930 1.014320 0.1389170 22626.00 22812.00 0.8660969 0.1956315 1.048001 0.1048001 0.9015210 0.9447940 0.9447940E-01 22812.00 22981.00 0.7102804 0.1355140 0.9809373 0.1297326 0.8078790 0.7924780 0.1048090 22981.00 23123.00 0.7290640 0.1494253 1.023673 0.1140305 0.7983190 0.8172150 0.9103310E- DATA MC MC (corr.)

  10. Correction factors vs run period (2002) runmin runmax P1AP2AP1AP2Afactor P1Acor P2Acor 23500.00 23683.00 0.4404452 0.8524746E-01 0.9581550 0.1046125 0.4954050 0.4746750 0.5182530E-01 23683.00 23806.00 0.4664179 0.7462686E-01 0.9690260 0.1115396 0.5196620 0.5035660 0.5796310E-01 23806.00 23992.00 0.4258093 0.9341733E-01 0.9016585 0.8876430E-01 0.5015510 0.4522270 0.4451980E-01 23992.00 24173.00 0.5671923 0.7295834E-01 0.9317184 0.9184081E-01 0.6141730 0.5722360 0.5640610E-01 24173.00 24317.00 0.3988013 0.6608269E-01 0.8558906 0.1125720 0.4664040 0.3991910 0.5250400E-01 24317.00 24445.00 0.3440367 0.9174312E-01 0.8980002 0.1106779 0.4213610 0.3783820 0.4663540E-01 24445.00 24649.00 0.4449103 0.7686932E-01 0.8309714 0.9275959E-01 0.4611810 0.3832280 0.4277900E-01 24649.00 24874.00 0.4525514 0.8466097E-01 0.9116132 0.7838993E-01 0.4854710 0.4425620 0.3805600E-01 24874.00 25005.00 0.5285215 0.8381840E-01 0.9350788 0.1273488 0.5838700 0.5459650 0.7435530E-01 25005.00 25120.00 0.4192872 0.5202267E-01 0.9606923 0.1290701 0.5141750 0.4939640 0.6636460E-01 25120.00 25261.00 0.4012060 0.6957328E-01 0.9142150 0.1223536 0.4220010 0.3858000 0.5163350E-01 25261.00 25387.00 0.3951298 0.6968375E-01 0.9033400 0.9362349E-01 0.4854240 0.4385030 0.4544710E-01 25387.00 25502.00 0.3584817 0.5935645E-01 0.8497072 0.1023639 0.4499460 0.3823220 0.4605830E-01 25502.00 25637.00 0.4154026 0.8634773E-01 0.8483021 0.8959399E-01 0.4602840 0.3904600 0.4123870E-01 25637.00 25764.00 0.4560260 0.6747325E-01 0.8575524 0.1003519 0.5045270 0.4326590 0.5063030E-01 25764.00 25940.00 0.3358384 0.6106153E-01 0.9304085 0.9077156E-01 0.4363760 0.4060080 0.3961050E-01 25940.00 26024.00 0.3859985 0.8710940E-01 0.8633953 0.1229001 0.4739480 0.4092040 0.5824820E-01 26024.00 26133.00 0.4220228 0.8488964E-01 0.8685615 0.1250421 0.4659120 0.4046730 0.5825860E-01 26133.00 26206.00 0.3243767 0.7020092E-01 0.8405040 0.1131940 0.4310880 0.3623320 0.4879660E-01 26206.00 26312.00 0.3339834 0.6175849E-01 0.8181246 0.8338578E-01 0.4680750 0.3829440 0.3903080E-01 26312.00 26414.00 0.3598485 0.4971591E-01 0.8680466 0.1159983 0.4274850 0.3710770 0.4958740E-01 26414.00 26522.00 0.3549309 0.6272828E-01 0.8544040 0.9539687E-01 0.4888910 0.4177110 0.4663870E-01 26522.00 26656.00 0.4496469 0.6317354E-01 0.8151383 0.9461427E-01 0.4953360 0.4037670 0.4686590E-01 DATA MC (corr.) MC

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