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Measurement E151M541

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: 0.4829
Q2: 0.205 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.901

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 1.0948 0.646
0.25 294.0 -0.1891 0.6086
0.35 78.0 1.2097 0.7149
0.45 78.0 0.4872 0.7022
0.45 294.0 -0.6079 0.543
0.65 102.0 0.6995 0.6144
0.65 114.0 -0.5783 0.5683
0.65 270.0 -0.1594 0.5207
0.75 90.0 0.3652 0.5152
0.75 102.0 0.2185 0.5234
0.75 114.0 0.8159 0.5194
0.75 126.0 0.658 0.7188
0.75 234.0 0.9047 0.5924
0.75 246.0 -0.2185 0.4493
0.75 258.0 -1.0824 0.3432
0.75 270.0 0.3192 0.5438
0.75 282.0 0.1452 0.5515
0.85 66.0 -0.7826 0.5471
0.85 90.0 0.1734 0.4403
0.85 102.0 0.5268 0.4647
0.85 114.0 -0.4916 0.5642
0.85 126.0 -0.4311 0.478
0.85 138.0 -0.1347 0.6395
0.85 222.0 -0.9024 0.4535
0.85 234.0 -0.1436 0.4849
0.85 246.0 0.1409 0.4737
0.85 258.0 0.1431 0.4338
0.85 270.0 -0.8621 0.3925
0.85 282.0 0.6018 0.4487
0.85 294.0 -0.1236 0.3966
0.95 102.0 -0.3628 0.4724
0.95 114.0 -0.0818 0.5773
0.95 126.0 -0.1208 0.5074
0.95 138.0 1.5 0.5691
0.95 150.0 0.53 0.6508
0.95 222.0 0.3031 0.5126
0.95 234.0 0.8151 0.559
0.95 246.0 0.0059 0.477
0.95 258.0 0.2488 0.4566
0.95 270.0 -0.1614 0.4178
0.95 282.0 -0.2194 0.5021
0.95 294.0 -0.7087 0.388
Created in SINP MSU, CLAS Collaboration