Privacy and Security Notice

commissioning

                 
Commissioning: E=1.046GeV, Theta=16deg, E'=1.042GeV                
                 
  Run # Parity Run Type Target Right Left Beam Summary comments
  Right/Left run #     # of Events # of Events l/2  
                 
  1136/20136 1079 optics Be0+12C 2.3M 2.1M out collimator open, IA slope study
  1137/20137 1080 optics Be0+12C 1.5 1.1 out collimator open
  1138/20138 1081 optics Be0+12C 1.5 1.1 out sieve slit, IA scan
  1139/20139 1082 optics Be0+12C 416k 600k out sieve slit
  1140/20140 1083 optics Be0+12C 408k 592k out sieve slit
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=0.965GeV                
                 
  1141/20141 1084 optics Be0+12C 188k 204k out sieve slit, right arm 30% deadtime
  1142/20142 1085 optics Be0+12C 10k 12k out sieve slit, beam taking away
  1143/20143 1086 optics Be0+12C 1.5M 1.8M out sieve slit
  1144/20144 1087 optics Be0+12C 796k 932k out sieve slit
  1145/20145 1088 optics Be0+12C 954k 1.1M out sieve slit
                 
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=1.051GeV, Bull's eye scan                
                 
  1154/20154 1093 harp Be0+12C 1.1M 2.0M out collimator open
  1155/20155 1094 harp Be0+12C 447k 686k out collimator open
  1156/20156 1095 harp Be0+12C 1.0M 606k out collimator open
  1157/20157 1096 harp Be0+12C 790k 753k out collimator open
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=0.975GeV, Bull's eye scan                
                 
  1158/20158 1097 harp Be0+12C 2.0M 1.7M out collimator open, momentum still setting
  1159/20159 1098 harp Be0+12C 935k 619k out collimator open
  1160/20160 1099 harp Be0+12C 1.0M 651k out collimator open
  1161/20161 1100 harp Be0+12C 663k 563k out collimator open
  1162/20162 1101 harp Be0+12C 766k 491k out collimator open
  1163/20163 1102 harp Be0+12C 857k 530k out collimator open
  1164/20164 1103 harp Be0+12C 1.1M 720k out collimator open
  1165/20165 1104 harp Be0+12C 1.7M 1.1M out collimator open
                 
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=1.051GeV                
                 
  1167/20167 - elastic empty ref. 1.5M 1.3M out  
  1168/20168 - elastic N2 1.6M 1.6M out start: 37psi, end:36psi
  1169/20169 - elastic N2 1.8M 1.8M out start: 146psi, end:137.5psi
                 
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=0.520GeV                
                 
  1170/20170 - elastic empty ref. 556k 605k out  
                 
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=0.450GeV                
                 
  1171/20171 - elastic empty ref. 681k 698k out  
  1172/20172 - elastic 3He ref. 627k 632k out start: 37psi, end:36psi
                 
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=1.051GeV                
                 
  1173/20173 - elastic 3He ref. 1.7M 1.6M out start: 36psi, end:34psi
  1174/20174 - elastic 3He ref. 2.0M 1.8M out start: 74psi, end:70psi
  1175/20175 - elastic 3He ref. 2.0M 1.7M out start: 110psi, end:104psi
  1176/20176 - elastic 3He ref. 2.0M 2.0M out start: 146psi, end:132psi
  1177/20177 - elastic 3He ref. 2.0M 2.0M out start: 147psi, end:134psi
  1178/20178 - elastic 3He ref. 2.0M 1.9M out start: 146psi, end:133psi
  1179/20179 - elastic 3He ref. 1.1M 1.0M out start: 145psi, end:139psi
  1180/20180 - elastic 3He ref. 2.0M 1.9M in start: 148psi, end:134psi
  1181/20181 - elastic 3He ref. 2.0M 2.0M in start: 148psi, end:135psi
  1182/20182 - elastic 3He ref. 2.0M 2.0M in start: 147psi, end:135psi
  1183/20183 - elastic 3He ref. 2.0M 2.0M in start: 147psi, end:133psi
  1188/20188 1109 elastic   2.0M 2.0M in junk
  1189/20189 1110 elastic pol. 3He-0 392k 186k in junk
  1190/20190 1111 elastic pol. 3He-0 1.0M 1.1M in current change from 5 to 3 uA, bpm changed (at 1/2 run)
  1191/20191 1112 elastic pol. 3He-0 2.0M 2.0M in Left arm DAQ problem at the end-of-run
  1193/20193 1114 elastic pol. 3He-0 1.7M ? in high deadtime in left arm
  1194/20194 - elastic pol. 3He-0 2.0M 1.2M in  
  1195/20195 - elastic pol. 3He-0 2.0M 1.0M in  
  1196/20196 - elastic pol. 3He-0 4.2M 2.1M in maybe right arm DAQ end-of-run problem
  1197/20197 - elastic pol. 3He-0 3.9M 2.0M in  
  1198/20198 - elastic pol. 3He-0 3.5M 1.8M in potential high charge asymetry
  1199/20199 - elastic pol. 3He-0 2.4M 1.2M in potential high charge asymetry
  1200/20200 - elastic pol. 3He-0 1.4M ? in  
  1201/20201 - elastic pol. 3He-0 497k ? in Left arm crashed
  1202/20202 - elastic pol. 3He-0 3.0M ? in potential high charge asymetry
  1203/20203 - elastic pol. 3He-0 1.6M 222k in potential high charge asymetry
  1204/20204 - elastic pol. 3He-0 300k 222k in high deadtime in left arm, high charge asymetry
  1205/20205 - elastic pol. 3He-0 3.1M 3.1M in high charge asymetry
  1206/20206 - elastic pol. 3He-0 2.4M 2.5M in high charge asymetry
  1207/20207 - elastic pol. 3He-0 2.4M 2.5M in high charge asymetry
  1208/20208 1132 elastic pol. 3He-180 1.4M ? in left arm crashed, beam position off
  1209/20209 1133 elastic pol. 3He-180 2.4M 2.5M in  
  1210/20210 - elastic pol. 3He-180 2.5M 2.5M in  
  1211/20211 - elastic pol. 3He-180 ? 213k in junk
  1212/20212 - elastic pol. 3He-180 85k 28k in junk
  1213/20213 1134 elastic pol. 3He-180 1.3M 1.3M in Left arm crashed
  1214/20214 1135 elastic pol. 3He-180 2.4M 2.5M in  
  1215/20215 1136 elastic pol. 3He-180 53k 50k in  
  1216/20216 1137 elastic pol. 3He-180 2.4M 2.5M in  
  1217/20217 1138 elastic pol. 3He-180 433k ? in Left arm crashed
  1218/20218 1139 elastic pol. 3He-180   2.5M in  
  1219/20219 1140 elastic pol. 3He-180 1.9M 1.9M in  
  1220/20220 - elastic Be0+12C   2.5M in raster check, E'=0.675GeV
  1221/20221 - elastic Be0+12C
 564k 562k in raster check, E'=0.675GeV
  1222/20222 - elastic pol. 3He-0 118k 127k in raster check, E'=0.675GeV
  1223/20223 - elastic pol. 3He-0 256k 235k out junk
  1224/20224 - elastic pol. 3He-0 751k 812k out G0 half-wave plate scan
  1225/20225 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1226/20226 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1227/20227 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1228/20228 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1229/20229 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1230/20230 - elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1231/20231 1158 elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1232/20232 1161 elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1233/20233 1233 elastic pol. 3He-0 2.5M 2.5M out G0 half-wave plate scan
  1234/20234 1163 elastic pol. 3He-0 262k 2.5M out G0 half-wave plate scan
  1235/20235 1166 elastic pol. 3He-0 393k 286k out Beam tuning
  1236/20236 - elastic pol. 3He-0 >1k 358k out BPM position very bad
                 
Commissioning: E=1.046GeV, Theta=16deg, E'=0.675GeV                
                 
  20237 1167 delta pol. 3He-0 2M    out right arm momentum still changing
  1238/20238 - delta pol. 3He-270 ? 2.5M  out  
  1239/20239 1174 delta pol. 3He-270 260k 2.6M   out  beam and target moved by 2mm down
  1240/20240 1174 delta pol. 3He-270 538k ?   out  beam and target moved by 1mm down
  1241/20241 - cosmics pol. 3He-270 1.1M ? -  Energy change to 4GeV
  1242/20242 - cosmics pol. 3He-270 122k 32k -   
  1243/20243 - cosmics pol. 3He-270 464k   -   
  1244/20244 - cosmics pol. 3He-270 591k 1.1M -   

Last Updated on 09/29/04
By Patricia Solvignon
Email: solvigno@jlab.org