CLAS Physics Database

Measurement E151M777

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: 0.1938
Q2: 0.0593 GeV2
W: 1355.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9565

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 54.0 -0.9404 1.0815
0.25 66.0 0.0328 0.4186
0.25 78.0 -0.2763 0.4363
0.25 294.0 -0.4851 0.3643
0.25 306.0 -0.4299 0.4233
0.35 66.0 0.1399 0.3953
0.35 78.0 -0.0613 0.3817
0.35 282.0 -0.2611 0.4096
0.35 294.0 -0.0778 0.3505
0.35 306.0 -0.6435 0.3717
0.45 66.0 0.4017 0.3717
0.45 78.0 0.0711 0.3316
0.45 90.0 -0.5909 0.413
0.45 270.0 0.0176 0.4901
0.45 282.0 -0.0131 0.3826
0.45 294.0 0.1854 0.3221
0.45 306.0 -0.7804 0.3968
0.55 66.0 -0.2049 0.368
0.55 78.0 0.3879 0.3708
0.55 90.0 0.3582 0.4394
0.55 102.0 -0.7362 0.4969
0.55 114.0 0.1348 0.6188
0.55 246.0 0.7143 0.7113
0.55 258.0 0.039 0.5175
0.55 270.0 0.0176 0.4517
0.55 282.0 -0.2677 0.3661
0.55 294.0 -0.2465 0.3635
0.65 66.0 0.0081 0.5075
0.65 78.0 -0.4481 0.406
0.65 90.0 0.159 0.5986
0.65 102.0 -0.1074 0.4322
0.65 114.0 0.164 0.4113
0.65 126.0 0.2143 0.4562
0.65 138.0 -0.5242 0.6247
0.65 222.0 0.7886 1.2108
0.65 234.0 -0.1339 0.4869
0.65 246.0 -0.0903 0.4014
0.65 258.0 -0.28 0.4019
0.65 270.0 -0.9293 0.3675
0.75 90.0 2.3456 1.3626
0.75 102.0 1.097 1.1013
0.75 114.0 -0.8197 0.7971
0.75 126.0 0.926 0.876
0.75 138.0 0.3349 1.0554
0.75 150.0 0.6673 1.2932
0.75 198.0 1.459 1.4306
0.75 222.0 -0.0477 1.1535
0.75 234.0 0.1571 0.9234
0.75 246.0 0.0815 0.7193
0.75 258.0 0.0457 0.7613
0.75 270.0 -0.4594 0.8111
0.85 102.0 2.5948 1.4871
0.85 114.0 -0.0143 1.1707
0.85 126.0 -1.5301 0.9277
0.85 138.0 1.3346 1.1527
0.85 150.0 -1.2634 1.4095
0.85 162.0 1.3313 1.7439
0.85 198.0 -0.234 1.5289
0.85 210.0 1.2014 1.4155
0.85 222.0 0.3179 1.0237
0.85 234.0 -0.9246 0.8734
0.85 246.0 -0.0583 0.7534
0.85 258.0 -0.5439 0.6826
0.85 270.0 -0.7414 0.8432
0.95 126.0 4.2985 4.7448
0.95 210.0 -3.2457 3.4686
0.95 222.0 0.9226 3.8895
0.95 234.0 4.355 3.2209
0.95 246.0 0.0447 3.4544
0.95 258.0 -0.8907 3.5363
0.65 282.0 -0.3905 0.5283
0.75 90.0 0.1168 0.6769
0.75 102.0 0.2649 0.441
0.75 114.0 -0.3602 0.3656
0.75 126.0 -0.2959 0.4451
0.75 138.0 -0.7047 0.4521
0.75 150.0 0.3016 0.6722
0.75 210.0 -0.5016 0.6129
0.75 222.0 0.6419 0.5195
0.75 234.0 -0.3833 0.4552
0.75 246.0 0.3001 0.402
0.75 258.0 0.2879 0.412
0.75 270.0 -0.7583 0.4527
0.85 102.0 0.559 0.6497
0.85 114.0 0.552 0.4657
0.85 126.0 0.0405 0.4828
0.85 138.0 0.3886 0.603
0.85 150.0 0.2759 0.6061
0.85 162.0 0.0631 0.7873
0.85 210.0 -0.3462 0.6267
0.85 222.0 0.6264 0.5152
0.85 234.0 0.2895 0.4601
0.85 246.0 0.814 0.4272
0.85 258.0 -1.0 0.3769
0.85 270.0 -0.3171 0.4005
0.95 138.0 0.3498 1.1794
0.95 198.0 0.8485 1.2774
0.95 210.0 2.2629 1.2496
0.95 222.0 0.4567 1.0231
0.95 234.0 0.5523 1.0129
0.95 246.0 1.8671 0.9252
0.95 258.0 1.1469 0.9781