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Measurement E151M623

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: 0.0469
Q2: 0.0348 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.873

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 0.329 0.7986
0.25 78.0 -0.1933 0.7822
0.25 294.0 1.0086 0.7487
0.35 54.0 -0.2186 0.6861
0.35 66.0 0.2461 0.5734
0.35 78.0 0.2343 0.6211
0.35 258.0 -0.006 0.6974
0.35 270.0 0.8129 0.5772
0.35 282.0 0.3852 0.5154
0.35 294.0 1.1474 0.649
0.45 18.0 -0.2717 0.6607
0.45 66.0 -0.4896 0.5496
0.45 78.0 -0.7722 0.4098
0.45 90.0 -1.1387 0.511
0.45 114.0 -1.2214 0.5173
0.45 222.0 0.9185 0.7072
0.45 258.0 1.0535 0.6236
0.45 270.0 0.351 0.5362
0.45 282.0 -0.3414 0.4565
0.45 294.0 0.4454 0.6857
0.45 318.0 0.1253 0.7184
0.55 78.0 -0.1993 0.5929
0.55 90.0 0.0655 0.5465
0.55 102.0 0.699 0.6753
0.55 114.0 -0.5628 0.5438
0.55 126.0 -0.5128 0.5705
0.55 138.0 -0.6003 0.5595
0.55 150.0 -1.3042 0.5779
0.55 198.0 0.2696 0.7347
0.55 210.0 0.6932 0.6834
0.55 222.0 1.1 0.5796
0.55 234.0 0.5107 0.6543
0.55 246.0 0.8154 0.7779
0.55 258.0 -0.2685 0.5244
0.55 270.0 0.7344 0.4632
0.55 282.0 0.5631 0.4927
0.55 294.0 -0.1198 0.6885
0.65 66.0 -0.2503 0.7484
0.65 78.0 0.3264 0.6896
0.65 102.0 -0.0273 0.7157
0.65 114.0 -0.4622 0.532
0.65 126.0 0.6084 0.5417
0.65 138.0 0.0896 0.5827
0.65 150.0 -0.1779 0.6471
0.65 186.0 -0.6457 0.7034
0.65 198.0 1.1409 0.7257
0.65 210.0 0.2235 0.5575
0.65 222.0 1.7613 0.5239
0.65 234.0 2.5034 2.5034
0.65 246.0 -0.6195 0.6011
0.65 258.0 0.4869 0.6891
0.65 270.0 0.7903 0.6423
0.65 282.0 -0.0463 0.5298
0.65 294.0 0.1024 0.7131
0.75 66.0 -0.3749 0.5124
0.75 78.0 0.5609 0.6225
0.75 114.0 0.1168 0.7876
0.75 126.0 -0.4952 0.4958
0.75 138.0 -0.5132 0.5693
0.75 150.0 -0.3139 0.7172
0.75 198.0 0.2681 0.7291
0.75 210.0 1.2309 0.6994
0.75 222.0 0.4532 0.5788
0.75 234.0 1.2188 0.5815
0.75 246.0 1.2771 0.5389
0.75 270.0 1.1974 0.5747
0.75 282.0 -0.0782 0.4586
0.75 294.0 -0.7322 0.5222
0.85 102.0 -0.7975 0.5009
0.85 114.0 -0.0324 0.4764
0.85 126.0 -1.2159 0.485
0.85 138.0 0.8289 0.7983
0.85 198.0 1.2896 0.5678
0.85 210.0 0.3838 0.581
0.85 222.0 0.2051 0.4652
0.85 234.0 0.7309 0.5108
0.85 246.0 0.809 0.6856
0.85 258.0 -1.0908 0.6003
0.85 270.0 0.0115 0.6475
0.95 210.0 2.3161 2.3161
Created in SINP MSU, CLAS Collaboration