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Measurement E151M1790

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: ALL
εL: 0.2162
Q2: 0.101 GeV2
W: 1415.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9093

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.15 66.0 0.0247 0.8322
0.15 294.0 -1.0342 0.762
0.25 54.0 -0.2512 0.9336
0.25 66.0 0.0648 0.6512
0.25 78.0 0.4369 0.8645
0.25 282.0 0.7072 0.799
0.25 294.0 0.6973 0.6509
0.25 306.0 -0.0224 0.7507
0.35 66.0 0.0477 0.5478
0.35 78.0 0.3556 0.6268
0.35 90.0 0.3334 0.8398
0.35 282.0 0.4195 0.5562
0.35 294.0 0.0907 0.5848
0.35 306.0 -0.3106 0.6324
0.45 66.0 0.8352 0.5842
0.45 78.0 -0.9673 0.5489
0.45 90.0 -0.4163 0.7295
0.45 270.0 -1.194 0.7936
0.45 282.0 -0.2947 0.6072
0.45 294.0 0.3273 0.6631
0.55 66.0 -0.6417 0.8703
0.55 78.0 -0.1081 0.5558
0.55 90.0 1.1209 0.68
0.55 114.0 -0.888 0.7055
0.55 246.0 -0.0987 0.7898
0.55 270.0 -0.0032 0.7413
0.55 282.0 0.1139 0.6199
0.55 294.0 -0.2275 0.6094
0.65 66.0 0.6423 0.6243
0.65 102.0 -0.0323 0.558
0.65 114.0 0.7849 0.5148
0.65 126.0 0.1701 0.5786
0.65 138.0 0.4742 0.7364
0.65 210.0 -1.8711 0.7201
0.65 222.0 0.8704 0.6748
0.65 234.0 0.5591 0.6749
0.65 246.0 -0.0634 0.6545
0.65 258.0 -0.7655 0.67
0.65 270.0 -0.5877 0.6912
0.65 282.0 -1.1384 0.7304
0.65 294.0 0.2905 0.7368
0.65 306.0 1.0697 0.8152
0.75 90.0 0.6638 0.6323
0.75 102.0 0.08 0.5549
0.75 114.0 -0.3271 0.5127
0.75 126.0 -0.2759 0.5123
0.75 138.0 -0.3168 0.6148
0.75 150.0 -0.1524 0.8048
0.75 198.0 -0.2601 0.804
0.75 210.0 -0.0759 0.6826
0.75 222.0 0.5772 0.588
0.75 234.0 0.7357 0.4626
0.75 246.0 -0.3141 0.4507
0.75 258.0 0.7068 0.5766
0.75 270.0 0.136 0.6557
0.85 78.0 0.712 0.7811
0.85 90.0 -0.7404 0.6843
0.85 102.0 -0.0431 0.6833
0.85 114.0 0.6991 0.5245
0.85 126.0 0.5241 0.563
0.85 138.0 0.0692 0.658
0.85 150.0 0.7489 0.7136
0.85 210.0 -0.534 0.739
0.85 222.0 -0.0091 0.5867
0.85 234.0 -0.8305 0.4795
0.85 246.0 -0.298 0.4636
0.85 258.0 -0.0399 0.4754
0.85 270.0 -0.4469 0.5033
0.85 282.0 0.2708 0.7094
0.95 90.0 -0.7769 0.6554
0.95 102.0 0.2416 0.6281
0.95 198.0 -0.0835 0.7722
0.95 210.0 -0.2671 0.7304
0.95 222.0 0.5135 0.6494
0.95 234.0 1.085 0.5385
0.95 246.0 0.7844 0.5146
0.95 258.0 0.349 0.4503
0.95 270.0 0.1801 0.5987
Created in SINP MSU, CLAS Collaboration