CLAS Physics Database

Measurement E151M1001

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: 0.3055
Q2: 0.1205 GeV2
W: 1385.0 GeV
Ebeam: 2.999 GeV
ε: 0.966

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.15 66.0 0.4744 0.808
0.15 306.0 0.3276 0.7079
0.25 66.0 -0.3997 0.6442
0.25 294.0 -1.2635 0.5424
0.35 66.0 -0.5373 0.7671
0.35 78.0 -0.3508 0.7916
0.35 294.0 0.1547 0.7326
0.35 306.0 -0.2856 0.7019
0.45 66.0 1.6671 0.8824
0.45 78.0 -0.0177 0.7811
0.45 282.0 0.9879 0.8191
0.45 294.0 1.1607 0.677
0.55 54.0 -0.3338 0.7231
0.55 66.0 1.2444 0.7959
0.55 102.0 -0.7335 0.7019
0.55 282.0 -0.8914 0.6181
0.55 294.0 -0.1889 0.7059
0.65 90.0 0.1933 0.5473
0.65 102.0 -0.1753 0.527
0.65 114.0 0.7735 0.6212
0.65 246.0 2.2313 0.769
0.65 258.0 0.0825 0.6016
0.65 270.0 -1.4465 0.4547
0.65 282.0 -0.5364 0.6818
0.75 90.0 -0.7392 0.4316
0.75 102.0 -0.2052 0.4367
0.75 114.0 0.2578 0.537
0.75 126.0 0.1593 0.6405
0.75 138.0 -0.0472 0.8458
0.75 222.0 -0.0515 0.6436
0.75 234.0 1.0529 0.6081
0.75 246.0 -0.3842 0.4853
0.75 258.0 -0.7365 0.3789
0.75 270.0 -0.6617 0.4786
0.75 282.0 0.1033 0.7816
0.85 66.0 0.1159 0.8226
0.85 78.0 0.5758 0.8512
0.85 90.0 0.9135 0.7027
0.85 102.0 -0.1654 0.4693
0.85 114.0 -0.5938 0.433
0.85 126.0 -0.9538 0.3651
0.85 138.0 0.0045 0.6357
0.85 150.0 1.0591 0.7379
0.85 210.0 1.3852 0.7638
0.85 222.0 0.6603 0.6633
0.85 234.0 -0.4451 0.463
0.85 246.0 0.4205 0.5483
0.85 258.0 -0.3794 0.3814
0.85 270.0 0.5517 0.465
0.85 282.0 0.3161 0.4455
0.95 78.0 -1.0395 0.4972
0.95 102.0 -0.0225 0.7342
0.95 114.0 1.8629 0.791
0.95 126.0 -1.2902 0.5295
0.95 138.0 0.737 0.7295
0.95 210.0 0.6433 0.8233
0.95 222.0 -0.5246 0.5516
0.95 234.0 2.0103 0.723
0.95 246.0 0.3574 0.5722
0.95 258.0 1.3489 0.469
0.95 270.0 0.4559 0.4549
0.95 282.0 0.8815 0.4592
0.95 294.0 0.332 0.6199