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Measurement E151M204

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: 0.3688
Q2: 0.0415 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9477

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 270.0 0.8167 0.422
0.55 282.0 -0.8164 0.3044
0.65 258.0 0.0923 0.3741
0.65 270.0 -0.1007 0.3516
0.65 282.0 -0.1529 0.3713
0.75 258.0 0.1594 0.3138
0.75 270.0 0.4771 0.3724
0.75 282.0 0.1365 0.4613
0.85 138.0 -0.1451 0.3788
0.85 150.0 0.5881 0.3294
0.85 162.0 0.1509 0.3567
0.85 174.0 -0.3101 0.2992
0.85 186.0 0.2871 0.414
0.85 198.0 0.0668 0.4096
0.85 210.0 0.5683 0.3907
0.95 138.0 0.0747 0.4077
0.95 174.0 -0.0382 0.3757
0.45 282.0 0.0848 0.6458
0.55 258.0 -0.3471 0.5389
0.55 270.0 -0.1007 0.4985
0.55 282.0 0.8238 0.7286
0.65 246.0 -0.3438 0.6076
0.65 258.0 -0.4187 0.4355
0.65 270.0 0.0464 0.4207
0.65 282.0 -0.668 0.3577
0.75 246.0 -0.1224 0.5563
0.75 258.0 0.1009 0.4529
0.75 270.0 0.068 0.4533
0.85 138.0 0.5908 0.6831
0.85 150.0 0.1939 0.5459
0.85 162.0 0.3638 0.6844
0.85 174.0 -0.8606 0.277
0.85 186.0 -0.4897 0.4763
0.85 198.0 -0.4796 0.4338
0.85 210.0 1.1726 0.8896
0.85 222.0 -0.1628 0.4942
0.85 234.0 -0.3651 0.4776
0.85 246.0 -0.5109 0.4512
0.95 150.0 0.206 0.7341
0.95 162.0 0.9639 0.873
0.95 174.0 -0.6271 0.3337
0.95 186.0 -0.4249 0.417
Created in SINP MSU, CLAS Collaboration