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Measurement E151M321

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: 0.1923
Q2: 0.0844 GeV2
W: 1385.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8144

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 246.0 0.2446 0.5845 0.0336
0.55 258.0 0.3769 0.492 0.0382
0.65 126.0 0.3399 0.4231 0.0601
0.65 138.0 1.3701 0.6101 0.09
0.65 222.0 -0.0681 0.5507 0.04
0.65 234.0 0.8072 0.4752 0.0584
0.65 246.0 0.0032 0.3851 0.0315
0.65 258.0 -0.547 0.4317 0.0591
0.75 114.0 -0.1305 0.4786 0.0311
0.75 126.0 -0.0987 0.4101 0.0344
0.75 138.0 -0.5886 0.3966 0.0471
0.75 150.0 -0.2394 0.4169 0.0522
0.75 162.0 -0.6399 0.7442 0.0488
0.75 210.0 -0.0998 0.6817 0.0306
0.75 222.0 -0.0994 0.393 0.0328
0.75 234.0 -0.2401 0.378 0.0338
0.75 246.0 0.1567 0.4115 0.0372
0.75 258.0 -0.2434 0.3497 0.0355
0.75 270.0 -0.3832 0.4247 0.0427
0.85 114.0 -0.699 0.4237 0.0694
0.85 126.0 -0.5461 0.4144 0.0453
0.85 138.0 -0.5242 0.3925 0.0452
0.85 150.0 0.1373 1.0018 0.0311
0.85 162.0 -0.664 0.4541 0.0506
0.85 222.0 0.4963 0.5957 0.0429
0.85 234.0 -0.0122 0.4574 0.0338
0.85 246.0 0.4986 0.3485 0.0521
0.85 258.0 -0.3087 0.3216 0.0487
0.85 270.0 0.3385 0.3445 0.0376
0.85 282.0 0.7621 0.4786 0.0574
0.95 90.0 -0.2948 0.7379 0.0349
0.95 102.0 -1.1366 0.2755 0.0765
0.95 114.0 1.8336 1.0909 0.1144
0.95 126.0 -0.3114 0.8506 0.0354
0.95 138.0 -0.5019 0.7231 0.0426
0.95 234.0 -0.0767 0.607 0.0304
0.95 246.0 -0.1306 0.3098 0.0518
0.95 258.0 -0.4197 0.3091 0.0423
0.95 270.0 0.4553 0.3772 0.0415
0.95 282.0 -0.7412 0.2922 0.0544
Created in SINP MSU, CLAS Collaboration