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Measurement E151M1907

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: 0.0318
Q2: 0.0415 GeV2
W: 1655.0 GeV
Ebeam: 1.9889 GeV
ε: 0.7836

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.35 78.0 -2.8347 2.8347 0.1744
0.35 270.0 0.6738 0.6998 0.0507
0.45 90.0 0.8282 0.882 0.0585
0.45 126.0 -1.4922 0.8065 0.0953
0.45 258.0 0.3794 0.7031 0.0378
0.45 270.0 -0.575 0.7583 0.046
0.45 282.0 -0.7678 0.7394 0.0554
0.55 114.0 0.3501 0.8832 0.0367
0.55 126.0 -1.1775 0.7565 0.0774
0.55 138.0 -0.3811 0.7865 0.0379
0.55 210.0 0.3477 0.7162 0.0367
0.55 222.0 0.7495 0.7108 0.0544
0.55 258.0 -1.9293 0.639 0.1207
0.55 270.0 -0.3283 0.5389 0.036
0.55 282.0 -0.6801 0.7819 0.051
0.55 318.0 -0.6528 0.8219 0.0496
0.65 114.0 1.0442 0.7269 0.07
0.65 126.0 0.236 0.6465 0.0332
0.65 138.0 0.8302 0.6398 0.0586
0.65 150.0 1.0008 0.7762 0.0677
0.65 198.0 -1.6793 0.6522 0.1061
0.65 210.0 0.058 0.7511 0.0302
0.65 222.0 -1.4404 0.5668 0.0923
0.65 270.0 0.6145 0.7902 0.0478
0.65 282.0 -0.1194 0.6722 0.0309
0.75 66.0 -0.416 0.6926 0.0392
0.75 78.0 1.2788 0.7733 0.0831
0.75 138.0 -1.7914 0.6862 0.1126
0.75 198.0 0.0589 0.7251 0.0302
0.75 210.0 -0.733 0.6997 0.0536
0.75 222.0 0.1363 0.6308 0.0311
0.75 234.0 -0.3291 0.802 0.036
0.75 258.0 -0.5962 0.6278 0.047
0.75 270.0 0.6805 0.5379 0.051
0.75 282.0 0.2925 0.5667 0.0348
0.75 294.0 -0.9325 0.6298 0.064
0.85 114.0 0.3517 0.6285 0.0368
0.85 126.0 1.304 0.58 0.0845
0.85 138.0 -0.6314 0.8131 0.0486
0.85 150.0 0.0702 0.8305 0.0303
0.85 210.0 -0.0291 0.602 0.0301
0.85 222.0 0.5647 0.6662 0.0455
0.85 234.0 0.1567 0.6588 0.0315
0.85 246.0 -2.1442 2.1442 0.1333
0.85 258.0 -0.2879 0.747 0.0347
0.85 270.0 -0.3774 0.755 0.0377
0.85 282.0 0.676 0.7639 0.0508
Created in SINP MSU, CLAS Collaboration