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Measurement E151M896

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: 0.0457
Q2: 0.0496 GeV2
W: 1625.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8561

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 78.0 0.1312 0.7547
0.45 102.0 0.5877 0.8615
0.45 258.0 -0.001 0.6617
0.45 270.0 0.1915 0.6288
0.55 258.0 2.1512 2.1512
0.55 270.0 -0.1491 0.5502
0.65 114.0 1.0816 0.8076
0.65 126.0 -1.3989 0.6912
0.65 138.0 -1.0357 0.7443
0.65 210.0 -0.1476 0.7229
0.65 282.0 -0.589 0.6289
0.75 126.0 -1.4514 0.6881
0.75 198.0 0.9912 0.9154
0.75 210.0 0.8875 0.8395
0.75 222.0 0.4098 0.7727
0.75 270.0 -0.9178 0.4735
0.75 282.0 0.6923 0.5577
0.85 90.0 -0.6093 0.9011
0.85 102.0 -1.5675 0.7707
0.85 114.0 -1.1828 0.6963
0.85 126.0 -0.6208 0.9119
0.85 198.0 -0.1165 0.8548
0.85 222.0 -0.8284 0.6652
0.85 246.0 0.4436 0.892
0.35 78.0 -1.1289 0.5034
0.45 126.0 0.3771 0.8177
0.45 270.0 -0.4306 0.6866
0.55 138.0 -0.7923 0.7217
0.55 246.0 0.42 0.8077
0.55 258.0 0.7879 0.7444
0.55 270.0 1.1113 0.6747
0.55 282.0 -1.4196 0.5277
0.65 78.0 -0.3557 0.6687
0.65 114.0 0.2835 0.6997
0.65 126.0 -0.5338 0.5716
0.65 198.0 -0.2003 0.8518
0.65 210.0 1.466 0.7559
0.65 222.0 0.5967 0.8403
0.65 282.0 0.1897 0.6975
0.65 294.0 0.166 0.6982
0.75 66.0 -0.4573 0.5652
0.75 210.0 -0.8521 0.7689
0.75 222.0 0.8952 0.796
0.75 270.0 0.8504 0.7428
0.75 282.0 1.088 0.7351
0.75 294.0 -0.6101 0.6343
0.85 102.0 -0.6799 0.6449
0.85 114.0 0.2672 0.7771
0.85 198.0 0.7926 0.9055
0.85 210.0 0.5467 0.7471
0.85 270.0 0.0253 0.7846
Created in SINP MSU, CLAS Collaboration