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Measurement E151M2713

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: ALU
εL: 0.6208
Q2: 0.2445 GeV2
W: 1295.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7815

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 270.0 -0.0451 0.1988
0.55 258.0 0.691 0.2052
0.65 258.0 0.208 0.344
0.65 270.0 -0.8524 0.1758
0.75 102.0 -0.2551 0.3864
0.75 114.0 -0.4462 0.3221
0.75 126.0 -0.0473 0.3417
0.75 246.0 0.4162 0.3484
0.75 258.0 -0.2947 0.3983
0.75 270.0 0.3924 0.3123
0.75 294.0 -0.3743 0.2813
0.85 66.0 0.383 0.4189
0.85 90.0 -0.1524 0.3452
0.85 102.0 -0.164 0.3097
0.85 114.0 0.5084 0.2425
0.85 126.0 0.1097 0.334
0.85 138.0 0.186 0.3599
0.85 150.0 -0.2912 0.315
0.85 258.0 0.2313 0.3516
0.85 270.0 0.3836 0.2575
0.85 282.0 0.115 0.3878
0.85 306.0 -0.2719 0.4711
0.95 114.0 0.14 0.3198
0.95 174.0 0.5565 0.2421
0.55 270.0 0.1088 0.2549
0.55 282.0 -0.1558 0.2589
0.65 270.0 0.1283 0.2291
0.65 282.0 -0.6212 0.2425
0.75 114.0 0.2946 0.258
0.75 126.0 0.2256 0.26
0.75 246.0 -0.2938 0.2276
0.75 258.0 -0.1939 0.2779
0.75 270.0 -0.0922 0.2536
0.75 294.0 -0.0378 0.2472
0.85 102.0 -0.7049 0.2358
0.85 114.0 0.1503 0.216
0.85 126.0 -0.0756 0.2287
0.85 138.0 -0.0595 0.2816
0.85 258.0 0.1254 0.2593
0.85 270.0 -0.4105 0.2514
0.85 282.0 -0.4746 0.234
0.85 294.0 0.1802 0.2314
0.95 66.0 0.4062 0.2602
0.95 114.0 -0.0981 0.2492
0.95 150.0 0.1817 0.2584
Created in SINP MSU, CLAS Collaboration