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Measurement E151M685

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: 0.0318
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] AUL uncertainty
0.35 78.0 -0.1267 0.6065
0.35 270.0 0.7178 0.7131
0.45 90.0 -0.8285 0.6565
0.45 126.0 -0.8554 0.6478
0.45 258.0 0.1919 0.6312
0.45 270.0 0.3375 0.6602
0.45 282.0 -0.6078 0.5655
0.55 114.0 0.2459 0.7688
0.55 126.0 -0.6014 0.6134
0.55 138.0 0.3109 0.702
0.55 210.0 0.2531 0.6363
0.55 222.0 0.5515 0.6483
0.55 258.0 0.6609 0.7289
0.55 270.0 0.5209 0.4854
0.55 282.0 -0.8622 0.557
0.55 318.0 -0.4349 0.6437
0.65 114.0 0.748 0.6997
0.65 126.0 -0.5947 0.5027
0.65 138.0 -0.8181 0.4977
0.65 150.0 -0.6388 0.6425
0.65 198.0 0.6228 0.764
0.65 210.0 0.4308 0.6669
0.65 222.0 0.8669 0.5602
0.65 270.0 -0.02 0.6747
0.65 282.0 -0.1286 0.5598
0.75 66.0 0.6848 0.6379
0.75 78.0 0.4935 0.7774
0.75 138.0 -0.6974 0.6504
0.75 198.0 0.8456 0.6602
0.75 210.0 -0.083 0.6108
0.75 222.0 0.9335 0.5847
0.75 234.0 1.1131 0.7399
0.75 258.0 1.1769 0.5806
0.75 270.0 0.4757 0.4999
0.75 282.0 -0.2704 0.4674
0.75 294.0 -0.0926 0.5545
0.85 114.0 -1.2534 0.4171
0.85 126.0 -0.0581 0.5601
0.85 138.0 -0.4019 0.6576
0.85 150.0 -0.0728 0.6998
0.85 210.0 0.5852 0.5469
0.85 222.0 -0.0297 0.5895
0.85 234.0 -0.2154 0.5423
0.85 246.0 1.7248 0.742
0.85 258.0 1.0793 0.7025
0.85 270.0 0.0441 0.6566
0.85 282.0 -0.7457 0.5847
Created in SINP MSU, CLAS Collaboration