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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 syst. uncert.
0.35 78.0 -0.1267 0.6065 0.031
0.35 270.0 0.7178 0.7131 0.0532
0.45 90.0 -0.8285 0.6565 0.0589
0.45 126.0 -0.8554 0.6478 0.0603
0.45 258.0 0.1919 0.6312 0.0322
0.45 270.0 0.3375 0.6602 0.0364
0.45 282.0 -0.6078 0.5655 0.0478
0.55 114.0 0.2459 0.7688 0.0336
0.55 126.0 -0.6014 0.6134 0.0475
0.55 138.0 0.3109 0.702 0.0355
0.55 210.0 0.2531 0.6363 0.0338
0.55 222.0 0.5515 0.6483 0.0451
0.55 258.0 0.6609 0.7289 0.0503
0.55 270.0 0.5209 0.4854 0.0438
0.55 282.0 -0.8622 0.557 0.0607
0.55 318.0 -0.4349 0.6437 0.0401
0.65 114.0 0.748 0.6997 0.0547
0.65 126.0 -0.5947 0.5027 0.0471
0.65 138.0 -0.8181 0.4977 0.0583
0.65 150.0 -0.6388 0.6425 0.0493
0.65 198.0 0.6228 0.764 0.0485
0.65 210.0 0.4308 0.6669 0.0399
0.65 222.0 0.8669 0.5602 0.0609
0.65 270.0 -0.02 0.6747 0.03
0.65 282.0 -0.1286 0.5598 0.031
0.75 66.0 0.6848 0.6379 0.0515
0.75 78.0 0.4935 0.7774 0.0426
0.75 138.0 -0.6974 0.6504 0.0522
0.75 198.0 0.8456 0.6602 0.0598
0.75 210.0 -0.083 0.6108 0.0304
0.75 222.0 0.9335 0.5847 0.0645
0.75 234.0 1.1131 0.7399 0.0744
0.75 258.0 1.1769 0.5806 0.078
0.75 270.0 0.4757 0.4999 0.0418
0.75 282.0 -0.2704 0.4674 0.0343
0.75 294.0 -0.0926 0.5545 0.0305
0.85 114.0 -1.2534 0.4171 0.0823
0.85 126.0 -0.0581 0.5601 0.0302
0.85 138.0 -0.4019 0.6576 0.0388
0.85 150.0 -0.0728 0.6998 0.0303
0.85 210.0 0.5852 0.5469 0.0467
0.85 222.0 -0.0297 0.5895 0.0301
0.85 234.0 -0.2154 0.5423 0.0328
0.85 246.0 1.7248 0.742 0.1097
0.85 258.0 1.0793 0.7025 0.0725
0.85 270.0 0.0441 0.6566 0.0301
0.85 282.0 -0.7457 0.5847 0.0546
Created in SINP MSU, CLAS Collaboration