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Measurement E151M909

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: 0.0402
Q2: 0.0496 GeV2
W: 1655.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8377

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 258.0 2.0149 0.955
0.45 270.0 0.2119 0.794
0.55 126.0 1.4433 1.0765
0.55 258.0 0.3987 0.8763
0.55 270.0 -0.3651 0.7866
0.65 270.0 -0.8828 0.8001
0.65 294.0 -0.6178 0.747
0.75 114.0 -0.5971 1.0892
0.75 210.0 -0.6969 0.8968
0.75 222.0 1.8814 1.0068
0.75 270.0 1.1598 0.7018
0.75 282.0 -0.5282 0.6426
0.75 294.0 -1.6643 0.6884
0.85 102.0 -0.4897 1.2048
0.85 114.0 -1.4764 1.0124
0.85 126.0 -0.3019 1.1691
0.85 198.0 -0.2379 1.1181
0.85 234.0 -0.0941 1.0051
0.85 270.0 -0.0621 1.0742
0.35 282.0 0.0853 0.5428
0.45 258.0 -0.1248 0.6282
0.45 282.0 1.1708 0.651
0.55 114.0 -0.1491 0.6924
0.55 126.0 0.8465 0.6704
0.55 138.0 -0.5408 0.6931
0.55 258.0 1.3551 0.6757
0.55 270.0 -0.5933 0.5375
0.55 282.0 0.4796 0.6682
0.65 114.0 -0.4322 0.6208
0.65 126.0 -0.0897 0.6542
0.65 198.0 1.1391 0.7829
0.65 210.0 0.4373 0.711
0.65 294.0 -0.9784 0.527
0.75 54.0 0.4233 0.6533
0.75 138.0 -1.8127 0.5232
0.75 198.0 -0.3877 0.6251
0.75 222.0 -0.4775 0.6367
0.75 234.0 0.8859 0.6997
0.75 270.0 0.6967 0.5606
0.75 282.0 0.0684 0.501
0.85 102.0 0.0372 0.6721
0.85 114.0 0.123 0.7136
0.85 126.0 2.0483 0.7539
0.85 222.0 0.3749 0.7738
Created in SINP MSU, CLAS Collaboration