4 GeV

                 
Production: E=4.056GeV, Theta=25deg, E'=2.90GeV                 
                 
  Run # Parity Run Type Target Right Left Beam Summary comments
  Right/Left run #     # of Events # of Events l/2  
                 
  1246/20246 1188 optics Be0+12C 41k 45k out test run before Moller measurement
  1247/20247   optics Be0+12C 19k 35k out HRS momentum in transition
  20324 1287 production BeO+12C - 235k   raster off
                 
Production: E=4.056GeV, Theta=25deg, E'=1.84GeV                
                 
  1248/20248 1189 production pol. 3He-0 288k 352k out right arm dipole changing
  1249/20249 1190 production pol. 3He-0 871k 923k out dipole stable at p=1.84GeV
  1250/20250 1191 production pol. 3He-0 455k 483k in  
  1251/20251 1192 production pol. 3He-0 251k 265k in  
  1252/20252 1193 production empty ref. 72k 80k in  
  1253/20253 1194 production N2   1.1M in pressure: 148psi --> 130 psi
  1254/20254 1195 production pol. 3He-270 307k 286k in  
  1255/20255 - cosmics - 1.0M 1.0M    
  1256/20256 - cosmics - 1.5M      
  20325 1288 optics BeO+12C - 1.0M in raster on
  20326 1289 optics BeO+12C - 1.0M in raster on
  20327 1290 optics BeO+12C - 1.0M in raster on
  20328 1291 optics BeO+12C - 1.0M in raster on
  20329 1292 optics BeO+12C - 1.0M in raster on
  20330 1293 optics BeO+12C - 1.0M in raster on
  20331 1294 optics BeO+12C - 449k in raster on
  20332 1295 optics BeO+12C - 443k in raster on
  20333 1296 optics BeO+12C - 441k in raster on
                 
Production: E=4.056GeV,Theta=25deg,
E'=2.0GeV
               
                 
  1270/20270 1218 production BeO+12C 142k 152k in raster on
  1271/20271 1219 production BeO+12C 44k 45k in raster off
  1272/20272 1220 production empty ref. 82k 91k in  
  1273/20273 1221 production N2 505k 502k in pressure: 147psi --> 138 psi
  1274/20274 1222 production pol. 3He-0 377k 402k in  
  1275/20275 1223 production pol. 3He-180 36k 39k in  
  1276/20276 - production BeO+12C 12k 22k out  
  1277/20277 1224 production pol. 3He-0 391k 417k out  
  1278/20278 1225 production pol. 3He-0 228k 244k out  
  1279/20279 1226 production pol. 3He-270 91k 96k out junk
  1280/20280 - production pol. 3He-270 1k 1k out junk
  1281/20281 1236 production pol. 3He-270 445k 469k out beam trip for ~12min
                 
Production: E=4.056GeV,Theta=25deg, E'=2.17GeV                
                 
  1282/20282 - production BeO+12C 32k 28k out beam position check
  1283/20283 1239 production empty ref. 57k 62k out  
  1284/20284 1240 production N2 395k 403k out pressure: 147psi --> 138psi
  1285/20285 1241 production pol. 3He-0 491k 530k out  
  1286/20286 1242 production pol. 3He-270 459k 493k out  
  1287/20287 1246 production pol. 3He-0 164k 171k in end due to Q2L tripped
  1288/20288 1247 production pol. 3He-0 647k 698k in  
                 
Production: E=4.056GeV,Theta=25deg, E'=2.35GeV                
                 
  20289 1248 production pol. 3He-0 -
359k in no right arm dipole
  20290 1249 production pol. 3He-0 -
369k in  
  20291 1250 production pol. 3He-0 -
359k in  
  20292 1251 production pol. 3He-270 -
202k in  
  20293 - production pol. 3He-270 -
373k in no HAPPEX, feedback run !
  20294 1252 production pol. 3He-270 -
405K in right dipole off
  20295 1253 production empty ref. -
111k in right= junk
  20296 1254 production N2 -
299k in right= junk; pressure: 147psi --> ?psi
  20297 1255 production pol. 3He-0 -
375k out right= junk
  20298 1256 production pol. 3He-0 -
305k out right= junk
  20299 1257 production pol. 3He-0 -
419k out right= junk
  20300 1258 production pol. 3He-0 -
364k out right= junk
  20301 1259 production pol. 3He-0 -
13k out junk
  20302 - production BeO+12C -
34k out raster check
  20303 1262 production BeO+12C -
37k out optics, raster off
  20304 - production pol. 3He-270 -
362k out right= junk
  20305 1264 production pol. 3He-270 -
359k out right= junk
                 
Production:E=4.056GeV,Theta=25deg, E'=2.55GeV                
                 
  20306 1265 production pol. 3He-0 -
297k out right= junk
  20307 1266 production pol. 3He-0 -
303k out right= junk
  20308 1267 production pol. 3He-0 -
? out right= junk
  20309 - production pol. 3He-0 -   21k out junk, DAQ problem
  20310 1268 production pol. 3He-0 -
365k out right= junk; ROC14 disconnected
  20311 - production pol. 3He-0 -
374k out right= junk
  20312 1269 production pol. 3He-270 -
359k out right= junk
  20313 1270 production pol. 3He-270 -
383k out right= junk
  20314 1271 production pol. 3He-270 -
390k out right= junk
  20315 1272 production pol. 3He-270 -
195k out last 2 min: half-wave plates changed !
  20316 1273 production pol. 3He-270 -
397k in right= junk
  20317 1274 production pol. 3He-270 -
535k in right= junk
  20318 - production BeO+12C -
15k in right= junk, spot check
  20319 1283 production pol. 3He-270 233k in right= junk
  20320 1284 production pol. 3He-0
82k in right= junk
  20321 - other empty - 4k in right= junk, raster check
  20322 1285 production pol. 3He-0 - 804k in right= junk
  20323 1286 production pol. 3He-180 - 227k in right= junk
         
     
Production: E=4.056GeV,Theta=25deg, E'=2.76GeV        
     
                 
  20334 1298 production BeO+12C -
28k in right= junk, raster on
  20335 1299 production BeO+12C -
23k in right= junk, raster on

20336 1300 production BeO+12C -
14k in right= junk, raster off
  20337 1302 production empty ref. -
72k in right= junk
  20338 1303 production N2 -
301k in right= junk
  20339 1304 production pol. 3He-0 -
54k in right= junk, Q2 left trip --> run ended

20340 1305 production pol. 3He-0 -
279k in right= junk
  20341 1306 production pol. 3He-0 -
208k in right= junk
  20342 1307 production pol. 3He-0 -
249k in right= junk
  20343 1308 production pol. 3He-0 -
249k in right= junk
  20344 1309 production pol. 3He-0 -
251k in right= junk
  20345 1310 production pol. 3He-180 -
299k in right= junk
  20346 1311 production pol. 3He-180 -
352k in right= junk
  20347 1312 production pol. 3He-180 -
273k in right= junk
  20348 1313 production pol. 3He-180 -
281k in right= junk
  20349 1314 production pol. 3He-180 -
6k in right= junk
  20350 1315 production pol. 3He-270 -
108k in right= junk
  20351 1317 production pol. 3He-270 -
261k in right= junk
  20352 1318 production pol. 3He-270 -
341k in right= junk
  20353 1319 production pol. 3He-270 -
512k in right= junk
  20354 - harp BeO+12C - 6k in raster off
  20355 - harp BeO+12C - 5k in raster off
  20356 - harp BeO+12C - 25k in raster off
  20357 - production BeO+12C - 32k in junk, raster on, spot size check
  20358 - production BeO+12C - 78k in junk, raster on, spot size check
  20359 1320 production pol. 3He-270 - 123k in right= junk
  20360 1321 production pol. 3He-270 - 249k out right= junk
  20361 1322 production pol. 3He-270 - 349k out right= junk
  20362 1328 production pol. 3He-270 - 500k out right= junk
  20363 1329 production pol. 3He-0 - 498k out  
  20364 1330+1331 production pol. 3He-180 - 566k out  
  20365 1332 production pol. 3He-180 - 169k out  
  20366 1333 production pol. 3He-0 - 566k out no beam
  20367 1334 production pol. 3He-0 - 101k out  
  20368 1335 production pol. 3He-0 - 140k out  
  20369 1336 production pol. 3He-0 - 99k out  
  20371 1337 production pol. 3He-270 - 100k out  
  20372 1338 production pol. 3He-270 - 32k out JUNK 
  20373 1339 production pol. 3He-270 - 99k out  
  20374 1340 production pol. 3He-270 - 51k out  
  20375 1341 production pol. 3He-270 - 99k in  
  20376 1342 production pol. 3He-270 - 29k in  
                 

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