############################################################# # # ONLINE LOG FROM test measurements # in KEK- pi2 beam from 17.11. to 26.11 2002 # ############################################################## RICH1: 64ch FLAT PANEL Hamamatsu H8500 4x4 array pitch 52.5 mm RICH2: 16ch MULTIANODE Hamamatsu R5900 2x6 array pitch 30.0 mm Tracking: 2 MWPC Positioning: finger scintilators in front of and behind the exp.box (vertical + horizontal) => P1V,P1H,P2V,P2H Trigger: 3 trigger scintillation counters => T1,T2,T3 Electron identification: CO2 Gas Cherenkov threshold counter # # READOUT # # RICH2: 32 ch. TDC LeCroy 2277A x 6 = 192 channels # RICH1: 1024 ch ADC VME readout # MWPC : 10 ch. TDC LeCroy 2277A # T1,T2,T3,GC1,GC2 Octal TDC + charge sensitive ADC LeCroy 2249A # P1V,P1H,P2V,P2H Octal TDC + charge sensitive ADC LeCroy 2249A # # beammomentum= -3 GeV/c MWPC tdcfile=tdc1.map position 0 =entrance of the box RICH1 detectorposition= 500 mm RICH1 mapfile=rich1_rich1.map RICH1 hotfile=rich1_bt_1.hot RICH1 deadfile=rich1_bt_1.dead RICH1 pedestals=pedestals.ped RICH1 adcthreshold=120 : flat panel ADC treshold* RICH2 detectorposition= 699 mm RICH2 mapfile=rich2.map RICH2 hotfile=bt_1.hot RICH2 deadfile=bt_0.dead RICH2 aerodistance=200 mm RICH2 lens=off gcveto=on RICH1 aerogel=LM-1 RICH2 aerogel=LM-4 # Run No Remark 1 test run 3 test run 4 test run with 0.8GeV/c, CO2 Cherenkov check 5 First run with HV(all system) and beam 6 + MWPCth was modified 7 HV off for RICH2 ( for noise check ) 8 #HVscan for RICH2: M16 #18.11.-19.11. ############################################################ # # # HV scan for RICH2 # # ########################################################### 9 925V RICH2 5153 ev. 02:50 10 900V RICH2 11 875V RICH2 12 850V RICH2 13 825V RICH2 14 800V RICH2 15 775V RICH2 16 750V RICH2 17 725V RICH2 18 700V RICH2 19 700V RICH2 20 675V RICH2 21 650V RICH2 22 950V RICH2, 950V RICH1, beam, 5000 ev 23 900V RICH2, 1000V RICH1, 50000 ev. beam end, MWPCs off, RICH2 off 24 0V RICH2, 1000V RICH1, no beam, 50830 ev 25 0V RICH2, 950V RICH1, no beam, 50495 ev 2 flat pannel PMTs recovered, now 16 working, some changes in RICH2 readout 26 0V RICH2, 950V RICH1, no beam, 50740 ev 27 0V RICH2, 1000V RICH1, no beam, 50830 ev 28 900V RICH2, 960V RICH1, no beam, 8000 ev ############################################################### # # move detector with respect to the beam, HV on MWPCs, RICH 2 # ############################################################ RICH1 HV=900V RICH2 HV=1000V beam=on 29 8000 ev 30 14300 ev # # ACC HV 2200 -> 2400 # 31 150 ev, junk 32 11000 ev 33 10100 ev beam=off 34 12300 ev pedestal run for RICH2 ############################################################# # # # MEASUREMENTS OF AEROGEL SAMPLES # ############################################################# 35 junk beam=on RICH1 HV=950V 36 10700 ev 37 0 junk 38 10100 ev 39 10400 ev 40 2800 ev # #accident: HV was on for RICH1 and RICH 2 when the box was opened #for inspection; next runs show that the pmts have survived, maybe a #little more noise # 41 6000 ev 42 10600 ev 43 10400 ev 44 10100 ev 45 10100 ev 46 3000 ev # #flip aerogels between RICH 1 and RICH 2 # # RICH1 aerogel=LM-4 RICH2 aerogel=LM-1 47 5000 ev 48 700 ev stop for TOP access 49 4200 ev RICH1 HV=1000V 50 38200 ev RICH1 aerogel=MM-1 RICH2 aerogel=MM-11 51 36000 ev flip aerogels RICH1 aerogel=MM-11 RICH2 aerogel=MM-1 52 jun 53 6500 ev beam=off 54 26000 ev analysis PC frozen, stop run reboot pc 55 3000 ev RICH1 aerogel=MM-1 + MM-2 RICH2 aerogel=MM-11 + MM-12 56 35100 ev RICH1 aerogel=MM-11 + MM-12 RICH2 aerogel=MM-1 + MM-2 57 43571 ev. RICH1 aerogel=MD-2 RICH2 aerogel=MD-9 58 approx.30000 ev. #beam stopped 23:00 20.11.2002 beam=on RICH1 aerogel=MD-9 RICH2 aerogel=MD-2 59 35753 ev., 1:20 RICH1 aerogel=MD-2 + MD-3 RICH2 aerogel=MD-9 + MD-6 60 4576 ev., 1:49 61 37183 ev., 3:13 RICH1 aerogel=MD-9 + MD-6 RICH2 aerogel=MD-2 + MD-3 62 38110 ev., 4:54 RICH1 aerogel=MD-1 RICH2 aerogel=NP-1 63 36415 ev., 6:43 RICH1 aerogel=NP-1 RICH2 aerogel=MD-1 64 35184 ev., 8:23 RICH1 aerogel=CM-1 RICH2 aerogel=CM-2 65 35143 ev., 8:43 RICH1 aerogel=MM-1, MM-2, MM-3 RICH2 aerogel=MM-11, MM-12, MM-10 66 35133 ev., 11:12 RICH1 aerogel=MM-11, MM-12, MM-10 RICH2 aerogel=MM-1, MM-2, MM-3 67 14558 ev., 13:01 68 6034 ev., 14:01 69 43044 ev., 14:30 RICH1 aerogel=MD-2, MD-3, MD-5 RICH2 aerogel=MD-9, MD-6, MD-7 70 34651 ev., 16:38 RICH1 aerogel=MD-9, MD-6, MD-7 RICH2 aerogel=MD-2, MD-3, MD-5 71 37636 ev., 20:00 RICH1 aerogel=MD-9, MD-6, MD-7, MD-11 RICH2 aerogel=MD-2, MD-3, MD-5, MD-4 72 36099 ev., 21:34 RICH1 aerogel=MD-2, MD-3, MD-5, MD-4 RICH2 aerogel=MD-9, MD-6, MD-7, MD-11 73 41607 ev., 22:31 RICH1 aerogel=MM-1, MM-2, MM-3, MM-4 RICH2 aerogel=MM-11, MM-12, MM-10, MM-5 74 34900 ev., 0:19 RICH1 aerogel=MM-11, MM-12, MM-10, MM-5 RICH2 aerogel=MM-1, MM-2, MM-3, MM-4 75 43220 ev., 1:37 RICH1 aerogel=NP-2 RICH2 aerogel=NP-3 76 31606 ev., 4:55 RICH1 aerogel=NP-3 RICH2 aerogel=NP-2 77 46535 ev., 6:44 RICH1 aerogel=NP-4 RICH2 aerogel=CM-1 78 37730 ev., 8:44 RICH1 aerogel=CM-2 RICH2 aerogel=NP-4 79 39519 ev., 10:40 ############################################################# # # HV scan for RICH1 # # ############################################################ RICH1 aerogel=LM-1 RICH2 aerogel=LM-4 80 5143 ev., 12:16 HV= 900V 81 5740 ev., 12:31 HV= 925V 82 5417 ev., 12:50 HV= 950V 83 5471 ev., 13:06 HV= 975V 84 5304 ev., 13:23 HV= 1000V 85 5740 ev., 13:42, HV= 925V junk - forgot HV 86 6226 ev., 13:41 HV= 1025V 87 5682 ev., 14:40 HV= 1050V 88 5118 ev., 14:28 HV= 1075V 89 5536 ev., 14:44 HV= 1100V RICH1 HV=1100V ############################################################ # # LENSES STUDY for RICH2 # measurements with lenses on RICH2 # refractive index n=1.026 # # study of ############################################################ RICH2 detectorangle=0 RICH1 aerogel=MD-2, MD-3 RICH2 aerogel=MM-1, MM-2 RICH2 lens=on RICH2 lensdistance= 22 mm (lenses to PM) 90 36860 ev., 15:30 # # data for # LM-5 thickness=23.65mm n=1.0298 tl=28.2mm MtOH solvent # RICH1 aerogel=LM-5 (F-328) RICH2 lensdistance= 20 mm (lenses to PM) 91 15550 ev., 17:24 RICH1 aerogel=MD-2 RICH2 lensdistance= 18 mm (lenses to PM) 92 15402 ev., 18:14 ########################################################## # # LENS ANGULAR ACCEPTANCE STUDY for RICH2 # # ########################################################### RICH1 aerogel= MD-2 + MD-3 RICH2 detectorangle=5 93 15341 ev., 19:04 RICH1 aerogel= MD-2 + MD-3 + MD-5 RICH2 detectorangle=10 94 16910 ev., 21:33 RICH1 aerogel= MD-2 + MD-3 + MD-5 + MD-4 RICH2 detectorangle=15 95 16453 ev., 22:29 ########################################################## # # Aerogels with different n in RICH1 # ######################################################### RICH1 aerogel= MD-1 + NP-1 # different aerogels! RICH2 detectorangle=20 96 20256 ev., 23:20 SLIT CHANGED: left: 5 mm -> 0.5 mm; right: 5 mm -> 0.6 mm 97 4707 ev., 00:27 SLIT CHANGED TO DEFAULT: 5 mm, 5 mm. 98 19607 ev., 00:45 RICH1 aerogel= MD-1 + LM-4 # different aerogels! RICH2 detectorangle=25 99 35062 ev., 01:33 RICH1 aerogel= MD-9 + MD-6 + NP-1 # different aerogels! RICH2 detectorangle=30 100 900V RICH2, 1100V RICH1, beam, 36836 ev., 03:08 RICH1 aerogel= MD-2 + MD-3 ######################################################## # # # LENSES STUDY FOR THE SECOND AEROGEL n=1.044 # # ######################################################### RICH2 aerogel= MD-9 + MD-6 RICH2 detectorangle=0 101 35084 ev., 05:14 ########################################################### # #start rotating RICH1 (in the opposite direction than RICH2) #aerogel is always rotated for the same angle as flat panel detector # ########################################################### RICH1 angle=-30 RICH2 detectorangle=10 RICH2 aerogelangle=10 102 5901 ev., 07:08 RICH2 aerogelangle=10 103 17308 ev., 07:31 104 18406 ev., 08:12 RICH1 angle=-20 RICH2 detectorangle=20 RICH2 aerogelangle=20 105 18779 ev., 09:16 RICH2 aerogelangle=0 106 17308 ev., 10:05 RICH1 angle=-10 RICH2 detectorangle=30 RICH2 aerogelangle=30 107 18470 ev., 11:28 RICH2 aerogelangle=0 108 0 junk # # #DAQ program was updated: col_3beam -> col_3beammod #(removed test buffering process for TDC227) # 109 34294 ev., 13:55 RICH1 aerogel= MD-9 + MD-6 RICH2 aerogel= MD-2 + MD-3 RICH2 lens=off # # #light leak! the vessel was not closed enough # # RICH1 angle=-10 RICH2 detectorangle=30 RICH2 aerogelangle=30 110 7260 ev., 15:27 # # #no more light leak # # beam off 111 13641 ev., 16:06, random trigger beam on 112 20892 ev., 16:52 RICH1 angle=-20 RICH2 aerogelangle=20 RICH2 detectorangle=20 113 22703 17:52 RICH2 aerogelangle=0 114 18180 18:36 115 0 junk RICH1 angle=-30 RICH2 aerogelangle=10 RICH2 detectorangle=10 116 17894 19:39 RICH2 aerogelangle=0 117 31360 8:31 ########################################################## # # RICH2 aerogel measurements of border effect # two aerogel layers, vertical borders are aligned at the beam center # ################################################################# RICH1 aerogel=MM-11 RICH2 aerogel=MD-2 + MD-3 + MD-5 + MD-4 RICH2 aerogelangle=0 RICH2 detectorangle=0 118 502 junk 119 20980 21:52 RICH1 aerogel=MM-11 + MM-12 120 20162 22:42 RICH2 aerogelangle=15 RICH1 aerogel=MM-11 + MM-12 + MM-10 121 21834 0:23 RICH1 aerogel=MM-11 + MM-12 + MM-10 + MM-5 122 21890 1:15 # # two aerogel layers, vertical borders are shifted +1cm x -1cm x # # RICH1 timing scan # # # RICH1 aerogel=MD-9 + MD-6 RICH2 aerogelangle=0 123 5224 1:38 RICH1 delay=0.0 microsec 124 5194 1:55 RICH1 delay=0.5 microsec 125 5123 2:13 RICH1 delay=1.0 microsec 126 5082 2:34 RICH1 delay=1.5 microsec 127 5210 2:46 RICH1 delay=2.0 microsec 128 5290 2:59 RICH1 delay=3.0 microsec 129 5201 3:12 RICH1 delay=4.0 microsec 130 5085 3:24 RICH1 delay=1.25 microsec 131 5085 3:41 RICH1 delay=1.75 microsec ###################################################### # # MEASUREMENT OF AEROGEL UNIFORMITY FOR RICH1 # # ##################################################### 132 0 junk 133 20950 04:28 1/4 # pisal Rok, kaj to pomeni? 134 20000 05:20 2/4 # manjka/napacno stevilo eventov! 135 20411 06:11 3/4 136 20301 06:49 4/4 137 20208 07:31 RICH1 aerogel=MD-2 + MD-3 + NP-1 #dual radiator study RICH2 aerogel=MD-1 + LM-4 #dual radiator study 138 junk 139 20256 08:37 ###################################################### # # MOMENTUM SCAN # ##################################################### # GC VETO ON # by accident, as found later gcveto=off RICH1 aerogel=MD-2 + MD-3 RICH2 aerogel=MD-9 + MD-6 beammomentum= -2.0 GeV/c 140 junk #SLIT CHANGED TO 20.0 141 20428 10:10 beammomentum= -0.5 GeV/c #SLIT CHANGED TO 40.0, 39.6 142 10040 11:17 beammomentum= -0.8 GeV/c #SLIT CHANGED TO 10.0, 10.1 143 20066 12:54 beammomentum= -1.0 GeV/c 144 20457 14:27 beammomentum= -1.1 GeV/c #SLIT CHANGED TO 7.5, 7.5 145 20254 15:08 beammomentum= -4.0 GeV/c #SLIT CHANGED TO 5.0, 5.0 146 junk 147 20207 15:54 beammomentum= +3.0 GeV/c 148 20839 16:30 RICH1 aerogel=MD-9 + MD-6 RICH2 aerogel=MD-2 + MD-3 beammomentum= -2.0 GeV/c SLIT CHANGED TO 20.0, 20.0 149 20258 17:15 beammomentum= -1.0 GeV/c SLIT CHANGED TO 10.0, 10.1 150 20638 17:59 beammomentum= -0.8 GeV/c 151 20134 18:41 beammomentum= -0.5 GeV/c 152 junk 153 junk 154 10034 20:04 beammomentum= -1.1 GeV/c SLIT CHANGED TO 7.5, 7.5 155 20684 22:03 beammomentum= -4.0 GeV/c SLIT CHANGED TO 5.1, 5.0 156 20316 22:45 beammomentum= +3.0 GeV/c 157 29143 23:40 ############################################################# # # REMOVE GC VETO # # remove GasCherenkov electron VETO from trigger # ############################################################# beammomentum= -0.8 GeV/c SLIT CHANGED TO 10.0, 10.1 158 7313 00:31 # stopped by beam loss due to machine trouble 159 12403 1:29 beammomentum= -0.55 GeV/c #SLIT CHANGED TO 40.4, 39.6 160 5307 01:28 ######################################################### # # add MWPCs anode signals in the trigger # ######################################################### 161 11765 02:18 RICH1 aerogel=MD-9 + MD-6 + NP-1 RICH2 aerogel=MD-10 + MD-7 # RICH2 distance aerogel - PM backplane changed to 250 mm RICH2 aerodistance=220 mm 162 13895 04:53 ########################################################## # # proton run # ######################################################### beammomentum= +4.0 GeV/c # SLIT CHANGED TO 5.0, 5.0 163 21581 07:40 MWPC in the trigger RICH2 aerodistance=200 mm RICH1 aerogel=MD-3 + MD-3 + NP-1 RICH2 aerogel=MD-9 + MD-6 beammomentum= -3.0 GeV/c 164 14891 09:00 165 6620 16:32 pedestal run 166 34955 17:31 clock on for the first few minutes RICH1 aerogel=MD-2 + MD-3 167 37836 18:59 RICH1 aerogel=MD-9 + MD-6 RICH2 aerogel=MM-1 + MM-2 168 54082 20:45 RICH1 aerogel=MM-1 + MM-2 + MM-3 + MM-4 double layer RICH1 special=on RICH2 aerogel=MD-9 + MD-6 169 18963 21:41 170 31765 23:25 RICH1 special=off RICH1 aerogel=MM-1 + MM-2 171 49980 1:00 RICH1 aerogel=MM-11 + MM-12 172 23056 1:56 173 24927 2:41 174 59881 4:28 no aerogel in the setup RICH1 aerogel=LM-1 175 47990 6:16 RICH1 aerogel=LM-4 # RICH2 aerogel shifted so that the right vertical border is 2.5 cm from beam center 176 41799 7:49 RICH1 aerogel=NP-2 177 #################################################################