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Measurement E151M1893

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: 0.0364
Q2: 0.0415 GeV2
W: 1625.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8087

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 78.0 0.1293 0.9749 0.031
0.35 78.0 -0.5405 0.8328 0.0444
0.35 258.0 -2.1639 0.6661 0.1345
0.45 18.0 0.6836 0.8998 0.0511
0.45 78.0 0.118 0.8025 0.0308
0.45 90.0 -0.3762 0.8597 0.0377
0.45 210.0 -1.5426 0.8258 0.0982
0.45 222.0 -1.4954 0.7204 0.0955
0.45 270.0 -0.2039 0.678 0.0324
0.45 282.0 1.723 0.7143 0.1086
0.55 114.0 1.8282 0.724 0.1148
0.55 126.0 -0.601 0.7275 0.0472
0.55 138.0 0.3978 0.8744 0.0385
0.55 198.0 0.4131 0.9193 0.0391
0.55 210.0 -0.5853 0.9216 0.0465
0.55 222.0 -0.808 0.7965 0.0574
0.55 234.0 0.6408 0.8655 0.0491
0.55 246.0 0.0182 0.9068 0.03
0.55 258.0 -0.3138 0.7634 0.0355
0.55 270.0 -0.1684 0.5944 0.0317
0.55 282.0 0.2271 0.8539 0.033
0.65 78.0 -0.2654 0.9008 0.034
0.65 102.0 -0.7768 0.917 0.0558
0.65 114.0 -1.3283 0.7369 0.0859
0.65 126.0 0.6548 0.7631 0.0497
0.65 138.0 1.4322 0.7685 0.0918
0.65 198.0 1.4551 0.7356 0.0931
0.65 210.0 -1.2056 0.7427 0.079
0.65 222.0 -0.071 0.7428 0.0303
0.65 234.0 -0.7379 0.8853 0.0538
0.65 246.0 1.0875 0.8725 0.0724
0.65 258.0 1.6363 0.7557 0.1036
0.65 282.0 -0.3552 0.9136 0.0369
0.65 294.0 0.1763 0.9661 0.0318
0.75 66.0 -1.1117 0.8823 0.0737
0.75 78.0 -1.1199 0.7018 0.0742
0.75 90.0 -0.7815 0.7942 0.0561
0.75 138.0 0.0824 0.9367 0.0304
0.75 210.0 -0.2536 0.6984 0.0337
0.75 222.0 0.3956 0.6477 0.0384
0.75 234.0 0.5627 0.9085 0.0454
0.75 258.0 -0.6204 0.6787 0.0481
0.75 270.0 -0.5303 0.6208 0.044
0.75 282.0 0.7788 0.5969 0.0559
0.75 294.0 0.0344 0.8642 0.0301
0.85 102.0 0.6205 0.8333 0.0481
0.85 114.0 0.813 0.6265 0.0577
0.85 126.0 1.028 0.7181 0.0691
0.85 138.0 -1.0069 0.8061 0.068
0.85 198.0 -1.4066 0.8942 0.0904
0.85 210.0 0.3149 0.7481 0.0356
0.85 222.0 -0.7178 0.6934 0.0528
0.85 234.0 0.1313 0.8046 0.031
0.85 246.0 -0.071 0.8225 0.0303
0.85 282.0 1.4106 0.6791 0.0906
Created in SINP MSU, CLAS Collaboration