CLAS Physics Database

Measurement E151M754

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: AUL
εL: 0.3691
Q2: 0.0844 GeV2
W: 1295.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9635

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.15 306.0 -0.4425 0.4156 0.0468
0.25 66.0 0.5785 0.4268 0.0491
0.25 78.0 -0.0 0.4489 0.03
0.25 294.0 -0.1581 0.3842 0.034
0.25 306.0 0.5257 0.3699 0.0547
0.35 66.0 0.4345 0.34 0.0443
0.35 78.0 -0.1651 0.3511 0.0439
0.35 282.0 0.0964 0.5189 0.0307
0.35 294.0 0.1668 0.3391 0.0454
0.35 306.0 0.4504 0.407 0.0458
0.45 66.0 0.1034 0.3187 0.0515
0.45 78.0 -0.0438 0.3095 0.0378
0.45 90.0 -0.0221 0.431 0.03
0.45 282.0 0.1091 0.4421 0.0309
0.45 294.0 0.0586 0.3773 0.0524
0.55 66.0 0.6291 0.4233 0.0533
0.55 78.0 -0.3136 0.2824 0.0389
0.55 90.0 -0.1494 0.4603 0.0316
0.55 270.0 0.8361 0.3968 0.064
0.55 282.0 0.136 0.3968 0.0324
0.65 78.0 -2.1404 1.1706 0.1998
0.65 90.0 0.7269 1.5961 0.0735
0.65 102.0 1.5549 1.8369 0.1466
0.65 114.0 3.9364 1.8063 0.3645
0.65 246.0 -0.4413 1.3105 0.0506
0.65 258.0 -1.0289 1.0087 0.0996
0.65 270.0 0.2059 0.9817 0.0355
0.65 282.0 1.2016 1.0839 0.1149
0.75 90.0 1.7474 1.6021 0.164
0.75 102.0 -1.9402 1.2691 0.1816
0.75 114.0 -0.106 1.323 0.0316
0.75 126.0 -0.3989 1.6122 0.0475
0.75 234.0 -0.8455 1.4207 0.0836
0.75 246.0 -1.4137 1.0225 0.1339
0.75 258.0 -1.273 0.7332 0.1213
0.75 270.0 -1.1289 0.8792 0.1084
0.75 282.0 1.6463 1.1225 0.1549
0.85 102.0 0.4687 1.4228 0.0526
0.85 114.0 -0.088 1.245 0.0311
0.85 126.0 1.8344 1.3702 0.1719
0.85 138.0 -0.5911 1.2725 0.0623
0.85 150.0 0.6798 1.4929 0.0695
0.85 162.0 0.3484 1.929 0.044
0.85 222.0 1.5679 1.6863 0.1478
0.85 234.0 -1.1975 1.138 0.1145
0.85 246.0 1.1456 1.2474 0.1099
0.85 258.0 1.602 1.0413 0.1509
0.85 270.0 -0.0606 1.0326 0.0305
0.85 282.0 -0.4004 1.2015 0.0476
0.95 114.0 6.7424 4.9369 0.623
0.95 126.0 -1.8721 4.1312 0.1754
0.95 138.0 -0.4035 5.1991 0.0478
0.95 150.0 -4.6865 4.0913 0.4336
0.95 162.0 6.4983 5.4905 0.6005
0.95 186.0 2.2458 5.6895 0.2094
0.95 198.0 4.0626 5.1036 0.3761
0.95 222.0 1.2482 5.2836 0.119
0.95 234.0 -0.4817 4.5528 0.0536
0.95 246.0 -3.2129 4.2021 0.298
0.95 258.0 -2.3923 4.1212 0.2228
0.55 294.0 -0.4241 0.3783 0.0409
0.65 78.0 -0.4312 0.4136 0.0412
0.65 90.0 -0.2605 0.4665 0.0345
0.65 102.0 -0.085 0.5495 0.0305
0.65 246.0 -0.3784 0.457 0.0389
0.65 258.0 -0.036 0.3403 0.0301
0.65 270.0 0.0192 0.3573 0.03
0.65 282.0 -0.5587 0.3766 0.0474
0.75 90.0 0.1977 0.4995 0.0327
0.75 102.0 0.2077 0.4071 0.033
0.75 114.0 0.311 0.4149 0.0363
0.75 126.0 -0.3075 0.46 0.0362
0.75 138.0 0.8082 0.543 0.0609
0.75 234.0 0.4932 0.4652 0.0441
0.75 246.0 0.2071 0.3974 0.0329
0.75 258.0 -0.203 0.3065 0.0328
0.75 270.0 0.0493 0.2887 0.0302
0.75 282.0 -0.5832 0.3325 0.0486
0.85 90.0 -0.3 0.5418 0.0359
0.85 102.0 0.5247 0.4134 0.0457
0.85 114.0 -0.0218 0.4119 0.03
0.85 126.0 -0.1949 0.3426 0.0326
0.85 138.0 -0.0075 0.4325 0.03
0.85 150.0 0.3675 0.5394 0.0385
0.85 162.0 0.4421 0.6714 0.0417
0.85 198.0 0.3199 0.688 0.0366
0.85 222.0 -0.3606 0.4356 0.0382
0.85 234.0 0.0309 0.4486 0.0301
0.85 246.0 0.5761 0.4334 0.0483
0.85 258.0 -0.3456 0.3534 0.0376
0.85 270.0 -0.0232 0.343 0.03
0.85 282.0 -0.2464 0.485 0.0341
0.95 102.0 2.5815 0.8483 0.172
0.95 114.0 0.1369 0.8288 0.0313
0.95 126.0 -0.099 0.6659 0.0307
0.95 138.0 0.2658 0.726 0.0347
0.95 150.0 1.7887 0.798 0.1212
0.95 162.0 0.3345 1.0025 0.0372
0.95 174.0 -0.6675 1.0003 0.0531
0.95 186.0 1.3444 0.9905 0.0932
0.95 210.0 1.1168 0.8702 0.0792
0.95 222.0 -0.7076 0.832 0.0553
0.95 234.0 2.1085 0.79 0.1416
0.95 246.0 -1.7508 0.5741 0.1187
0.95 258.0 1.0602 0.7353 0.0758
0.95 270.0 0.0211 0.8195 0.03