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Measurement E151M246

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: 0.528
Q2: 0.1205 GeV2
W: 1265.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8786

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.45 270.0 0.5401 0.4505
0.45 282.0 -0.0348 0.4008
0.55 270.0 -0.0698 0.3484
0.55 282.0 0.3004 0.2966
0.55 294.0 0.1381 0.5233
0.65 258.0 0.5381 0.3899
0.65 270.0 -0.0899 0.3134
0.65 282.0 0.0377 0.3341
0.65 294.0 -0.6131 0.335
0.75 126.0 -0.8536 0.4902
0.75 234.0 1.5074 0.9966
0.75 246.0 -0.1602 0.3725
0.75 258.0 -0.3605 0.2822
0.75 270.0 -0.014 0.2959
0.75 282.0 -0.1162 0.2593
0.75 294.0 -0.5177 0.2549
0.85 90.0 0.6354 0.4037
0.85 102.0 -0.1184 0.3018
0.85 114.0 0.0566 0.3305
0.85 126.0 -0.2297 0.2932
0.85 138.0 -0.1277 0.3159
0.85 150.0 -0.0702 0.3834
0.85 162.0 0.457 0.4594
0.85 246.0 -0.6463 0.2408
0.85 258.0 -0.0748 0.2975
0.85 270.0 0.2077 0.3012
0.85 282.0 -0.0516 0.2689
0.85 294.0 0.227 0.3505
0.95 66.0 -0.0855 0.4189
0.95 78.0 -0.9872 0.3674
0.95 102.0 0.2279 0.3525
0.95 114.0 0.0666 0.2816
0.95 126.0 0.0015 0.3191
0.95 138.0 -0.0405 0.3124
0.95 150.0 -0.2662 0.2989
0.95 162.0 0.0416 0.2935
0.95 174.0 -0.1115 0.304
0.95 186.0 -0.7253 0.3624
0.95 198.0 -0.8188 0.2189
0.95 210.0 1.1073 0.9546
0.95 246.0 0.5656 0.4407
0.95 270.0 -0.8534 0.2414
0.95 294.0 0.2998 0.6268
Created in SINP MSU, CLAS Collaboration