CLAS Physics Database

Measurement E151M1819

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: ALL
εL: 0.1192
Q2: 0.0707 GeV2
W: 1475.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8924

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 30.0 -1.3196 0.7622 0.0854
0.15 54.0 1.9386 0.6596 0.1212
0.25 18.0 0.0623 0.7772 0.0302
0.25 42.0 -1.1121 0.7408 0.0738
0.25 54.0 0.1878 0.7635 0.0321
0.25 66.0 -0.0077 0.6725 0.03
0.25 78.0 -0.8959 0.7021 0.062
0.25 90.0 2.1812 0.6757 0.1355
0.25 282.0 -0.3652 0.5596 0.0373
0.25 294.0 -0.6867 0.6438 0.0513
0.25 306.0 -0.0777 0.7253 0.0304
0.35 18.0 0.1417 0.8235 0.0312
0.35 30.0 -0.1429 0.8523 0.0312
0.35 54.0 -1.6236 0.658 0.1029
0.35 66.0 0.4278 0.5376 0.0396
0.35 78.0 -0.0936 0.4686 0.0305
0.35 90.0 -1.3406 0.5941 0.0866
0.35 258.0 -0.3911 0.8393 0.0382
0.35 270.0 1.0282 0.5671 0.0692
0.35 282.0 0.0553 0.4797 0.0302
0.35 294.0 0.5655 0.5139 0.0455
0.35 306.0 -0.8464 0.6615 0.0594
0.35 318.0 -0.742 0.7918 0.0541
0.35 330.0 0.418 0.7936 0.0393
0.45 66.0 0.2874 0.595 0.0347
0.45 78.0 0.0979 0.4809 0.0306
0.45 90.0 -1.006 0.5626 0.0679
0.45 102.0 0.2333 0.7986 0.0332
0.45 114.0 0.1695 0.8328 0.0317
0.45 258.0 0.7165 0.6762 0.0528
0.45 270.0 0.1367 0.4643 0.0311
0.45 282.0 0.0611 0.4223 0.0302
0.45 294.0 -0.137 0.4775 0.0311
0.45 306.0 1.2272 0.6369 0.0802
0.55 66.0 -0.1068 0.7095 0.0307
0.55 78.0 -0.1255 0.4869 0.0309
0.55 90.0 -0.4415 0.5295 0.0402
0.55 102.0 0.3859 0.6139 0.038
0.55 114.0 -0.209 0.6136 0.0326
0.55 126.0 -0.541 0.5902 0.0444
0.55 138.0 -0.3006 0.78 0.0351
0.55 222.0 -0.3797 0.7694 0.0378
0.55 234.0 0.0287 0.6012 0.0301
0.55 246.0 -0.1238 0.655 0.0309
0.55 258.0 -0.0259 0.5863 0.03
0.55 270.0 -0.9894 0.4544 0.067
0.55 282.0 1.4403 0.4059 0.0923
0.55 294.0 -0.1478 0.5565 0.0313
0.55 306.0 -1.1146 0.6853 0.0739
0.65 66.0 0.1342 0.5717 0.0311
0.65 78.0 -0.3621 0.6138 0.0372
0.65 90.0 -0.4584 0.7176 0.0409
0.65 102.0 -0.3741 0.5322 0.0376
0.65 114.0 0.437 0.4631 0.04
0.65 126.0 -0.5945 0.4947 0.0469
0.65 138.0 0.3833 0.5582 0.0379
0.65 150.0 -1.1622 0.6397 0.0765
0.65 210.0 -0.5538 0.5946 0.045
0.65 222.0 -0.1789 0.5283 0.0319
0.65 234.0 0.3863 0.493 0.0381
0.65 246.0 -0.343 0.5019 0.0365
0.65 258.0 0.4026 0.5124 0.0387
0.65 270.0 0.3438 0.6046 0.0365
0.65 282.0 -0.1401 0.6975 0.0312
0.65 294.0 0.8319 0.4943 0.0587
0.65 306.0 0.4472 0.6183 0.0404
0.75 66.0 0.9585 0.6364 0.0654
0.75 78.0 -0.8732 0.7853 0.0608
0.75 102.0 0.2126 0.6364 0.0326
0.75 114.0 -0.2389 0.4895 0.0333
0.75 126.0 -0.5097 0.4535 0.0431
0.75 138.0 -0.4329 0.48 0.0398
0.75 150.0 0.7952 0.6062 0.0568
0.75 198.0 -0.4329 0.6888 0.0399
0.75 210.0 -0.0426 0.5226 0.0301
0.75 222.0 0.3546 0.4249 0.0369
0.75 234.0 -0.2702 0.446 0.0342
0.75 246.0 -0.4757 0.4485 0.0416
0.75 258.0 -0.1611 0.5455 0.0315
0.75 270.0 1.024 0.7775 0.0689
0.75 282.0 0.0265 0.4786 0.03
0.75 294.0 0.5156 0.5917 0.0433
0.85 90.0 0.1976 0.5921 0.0323
0.85 102.0 0.0365 0.5801 0.0301
0.85 114.0 0.0228 0.7811 0.03
0.85 126.0 1.4267 0.5534 0.0915
0.85 138.0 -0.5409 0.5691 0.0444
0.85 150.0 -0.8554 0.741 0.0599
0.85 198.0 0.7081 0.8104 0.0524
0.85 210.0 -0.455 0.5712 0.0407
0.85 222.0 0.4722 0.4234 0.0415
0.85 234.0 -0.1294 0.4169 0.031
0.85 246.0 0.6694 0.4457 0.0505
0.85 258.0 0.2426 0.4587 0.0334
0.85 270.0 -1.0141 0.6909 0.0684
0.95 102.0 0.1 0.7097 0.0306
0.95 114.0 0.3001 0.6766 0.0351
0.95 210.0 -0.1601 0.7351 0.0315
0.95 222.0 0.8389 0.5243 0.059
0.95 234.0 0.2875 0.5004 0.0347
0.95 246.0 -0.0977 0.4699 0.0306
0.95 258.0 -0.1688 0.6815 0.0317