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Measurement E151M1769

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: 0.1178
Q2: 0.0415 GeV2
W: 1385.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9377

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 30.0 -0.5209 0.7689 0.0435
0.25 30.0 0.4846 0.766 0.042
0.25 42.0 -0.6487 0.8692 0.0494
0.25 54.0 0.908 0.8256 0.0627
0.25 66.0 -1.0324 0.7095 0.0694
0.25 78.0 -1.0458 0.6463 0.0701
0.25 282.0 0.7473 0.7277 0.0543
0.25 294.0 -1.4759 0.5081 0.0943
0.25 306.0 0.7357 0.7204 0.0537
0.35 30.0 -0.7377 0.7679 0.0538
0.35 54.0 1.5674 0.6351 0.0996
0.35 66.0 -0.3512 0.4488 0.0368
0.35 78.0 -0.1985 0.4498 0.0323
0.35 90.0 -0.3218 0.6606 0.0358
0.35 270.0 0.6482 0.8198 0.0494
0.35 282.0 -0.4946 0.4737 0.0424
0.35 294.0 0.0435 0.4749 0.0301
0.35 306.0 0.6367 0.6281 0.0489
0.45 66.0 -0.5902 0.4267 0.0467
0.45 78.0 -0.4103 0.3617 0.039
0.45 90.0 0.4469 0.4507 0.0404
0.45 102.0 0.0004 0.7367 0.03
0.45 270.0 0.136 0.4907 0.0311
0.45 282.0 -0.5229 0.3697 0.0436
0.45 294.0 -0.7385 0.4088 0.0539
0.45 306.0 1.3779 0.4286 0.0887
0.55 66.0 0.0583 0.6006 0.0302
0.55 78.0 -0.0852 0.3842 0.0304
0.55 90.0 0.1214 0.4895 0.0309
0.55 102.0 0.0421 0.6286 0.0301
0.55 114.0 -0.8457 0.6278 0.0594
0.55 126.0 -1.6343 0.7034 0.1035
0.55 234.0 0.8779 0.7402 0.0611
0.55 246.0 -0.4504 0.6859 0.0406
0.55 258.0 -0.0149 0.6045 0.03
0.55 270.0 -0.0092 0.4945 0.03
0.55 282.0 -0.4181 0.3984 0.0393
0.55 294.0 0.076 0.4784 0.0304
0.55 306.0 -0.166 0.7204 0.0316
0.65 66.0 0.0104 0.5334 0.03
0.65 78.0 -1.2495 0.4784 0.0814
0.65 90.0 -0.5504 0.5375 0.0449
0.65 102.0 0.6622 0.5031 0.0501
0.65 114.0 -0.9151 0.4143 0.063
0.65 126.0 0.0835 0.4965 0.0304
0.65 138.0 0.1096 0.5147 0.0307
0.65 150.0 -0.1706 0.8159 0.0317
0.65 162.0 -0.5415 0.8086 0.0445
0.65 198.0 -0.2224 0.8215 0.0329
0.65 210.0 -0.8746 0.591 0.0609
0.65 222.0 1.0905 0.4646 0.0726
0.65 234.0 0.3968 0.4799 0.0384
0.65 246.0 -0.4232 0.4124 0.0395
0.65 258.0 0.0587 0.4345 0.0302
0.65 270.0 0.0615 0.5238 0.0302
0.65 282.0 0.9716 0.5077 0.0661
0.65 294.0 0.1801 0.6149 0.0319
0.75 78.0 1.362 0.552 0.0878
0.75 90.0 1.7367 0.6091 0.1094
0.75 102.0 0.9597 0.5217 0.0654
0.75 114.0 0.4584 0.4759 0.0409
0.75 126.0 0.1139 0.4159 0.0308
0.75 138.0 -0.3429 0.42 0.0365
0.75 150.0 0.4566 0.5545 0.0408
0.75 162.0 0.2064 0.7655 0.0325
0.75 198.0 0.538 0.542 0.0443
0.75 210.0 0.1847 0.5146 0.032
0.75 222.0 0.119 0.4238 0.0309
0.75 234.0 0.8142 0.3598 0.0577
0.75 246.0 1.1026 0.4044 0.0732
0.75 258.0 0.158 0.5026 0.0315
0.75 270.0 1.2034 0.5208 0.0789
0.75 282.0 0.2645 0.7928 0.034
0.85 102.0 0.4875 0.7865 0.0421
0.85 114.0 0.0889 0.6568 0.0305
0.85 126.0 -0.0126 0.5066 0.03
0.85 138.0 -0.3021 0.5632 0.0351
0.85 150.0 -0.7171 0.6047 0.0528
0.85 162.0 0.9309 0.7537 0.0639
0.85 174.0 0.7315 0.8662 0.0535
0.85 198.0 -0.1785 0.7236 0.0319
0.85 210.0 -0.1778 0.5725 0.0319
0.85 222.0 -0.2171 0.4315 0.0328
0.85 234.0 -0.3896 0.3944 0.0382
0.85 246.0 -0.42 0.3797 0.0393
0.85 258.0 -0.3101 0.4181 0.0354
0.85 270.0 -0.1105 0.5799 0.0307
0.95 222.0 1.1705 0.5152 0.077
0.95 234.0 -0.4791 0.5273 0.0417
0.95 246.0 -0.6804 0.6766 0.051
Created in SINP MSU, CLAS Collaboration