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Measurement E151M1845

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: 0.0469
Q2: 0.0348 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.873

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 0.7343 0.8952 0.0537
0.25 78.0 0.4174 0.9411 0.0392
0.25 294.0 0.3291 0.823 0.036
0.35 54.0 1.4744 0.7174 0.0942
0.35 66.0 0.4295 0.6619 0.0397
0.35 78.0 0.1019 0.7085 0.0306
0.35 258.0 0.0154 0.8216 0.03
0.35 270.0 -0.1388 0.637 0.0312
0.35 282.0 0.5458 0.5833 0.0447
0.35 294.0 0.2447 0.7125 0.0335
0.45 18.0 -1.1331 0.726 0.0749
0.45 66.0 1.3224 0.6163 0.0856
0.45 78.0 0.001 0.5473 0.03
0.45 90.0 0.0095 0.7489 0.03
0.45 114.0 -0.1296 0.7652 0.031
0.45 222.0 0.182 0.7754 0.032
0.45 258.0 -0.047 0.6878 0.0301
0.45 270.0 -0.3166 0.5963 0.0356
0.45 282.0 -0.7559 0.5456 0.0548
0.45 294.0 0.6999 0.7347 0.052
0.45 318.0 -0.4258 0.8398 0.0396
0.55 78.0 0.6064 0.7067 0.0474
0.55 90.0 0.5905 0.6244 0.0467
0.55 102.0 -0.6253 0.7224 0.0483
0.55 114.0 -0.5817 0.6808 0.0463
0.55 126.0 -0.681 0.7293 0.051
0.55 138.0 -1.6697 0.6373 0.1055
0.55 150.0 -0.9345 0.8456 0.0641
0.55 198.0 0.7028 0.8176 0.0521
0.55 210.0 -1.2605 0.7049 0.0821
0.55 222.0 -0.2401 0.6287 0.0333
0.55 234.0 0.9639 0.7268 0.0657
0.55 246.0 -0.5264 0.8722 0.0438
0.55 258.0 -0.3574 0.6317 0.037
0.55 270.0 0.5853 0.4966 0.0465
0.55 282.0 -1.1485 0.5131 0.0758
0.55 294.0 0.2364 0.815 0.0332
0.65 66.0 -0.8134 0.8425 0.0577
0.65 78.0 0.5653 0.7818 0.0455
0.65 102.0 0.9047 0.7771 0.0625
0.65 114.0 -1.1248 0.6502 0.0745
0.65 126.0 -1.1242 0.561 0.0744
0.65 138.0 0.139 0.6806 0.0312
0.65 150.0 0.5813 0.7705 0.0463
0.65 186.0 -1.6232 0.8157 0.1028
0.65 198.0 -0.2201 0.7651 0.0328
0.65 210.0 -0.1115 0.6392 0.0308
0.65 222.0 0.1602 0.579 0.0315
0.65 234.0 -0.8317 0.6891 0.0587
0.65 246.0 -1.3182 0.7196 0.0853
0.65 258.0 -1.2905 0.7014 0.0838
0.65 270.0 -0.1723 0.6976 0.0318
0.65 282.0 -0.8457 0.6035 0.0594
0.65 294.0 0.0966 0.8254 0.0306
0.75 66.0 0.2909 0.6296 0.0348
0.75 78.0 0.2659 0.6851 0.0341
0.75 114.0 0.6153 0.8822 0.0479
0.75 126.0 0.503 0.6176 0.0428
0.75 138.0 -0.2995 0.7222 0.0351
0.75 150.0 0.9394 0.8162 0.0643
0.75 198.0 -0.4536 0.827 0.0407
0.75 210.0 0.7209 0.7313 0.053
0.75 222.0 -0.8329 0.6347 0.0587
0.75 234.0 -0.2202 0.6233 0.0328
0.75 246.0 0.1699 0.6038 0.0317
0.75 270.0 1.0937 0.574 0.0727
0.75 282.0 -0.6554 0.5372 0.0498
0.75 294.0 -0.0184 0.7034 0.03
0.85 102.0 -0.4605 0.6652 0.041
0.85 114.0 -0.2286 0.559 0.033
0.85 126.0 0.0723 0.7207 0.0303
0.85 138.0 -0.3376 0.8923 0.0363
0.85 198.0 0.3224 0.5962 0.0358
0.85 210.0 -0.2049 0.651 0.0325
0.85 222.0 -0.1944 0.5306 0.0322
0.85 234.0 0.1193 0.5549 0.0309
0.85 246.0 -0.2843 0.7466 0.0346
0.85 258.0 0.0517 0.9305 0.0302
0.85 270.0 -0.9132 0.726 0.0629
0.95 210.0 -1.3865 0.6855 0.0892
Created in SINP MSU, CLAS Collaboration