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Measurement E151M3032

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: 0.3118
Q2: 0.205 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8619

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 66.0 0.6135 0.208
0.25 294.0 0.2103 0.2239
0.35 66.0 0.2812 0.2146
0.35 282.0 -0.2395 0.2597
0.35 294.0 -0.0162 0.2728
0.45 66.0 0.0019 0.2533
0.45 78.0 0.0736 0.2548
0.45 282.0 0.001 0.2485
0.55 114.0 0.0635 0.2618
0.55 282.0 -0.3344 0.2561
0.65 102.0 0.3452 0.2412
0.65 114.0 0.1359 0.2103
0.65 126.0 -0.127 0.2499
0.65 246.0 0.5169 0.1882
0.65 270.0 -0.2315 0.2686
0.75 90.0 0.0138 0.247
0.75 102.0 -0.0005 0.2026
0.75 114.0 0.07 0.2172
0.75 126.0 0.0843 0.234
0.75 138.0 -0.2349 0.2652
0.75 210.0 0.2753 0.2707
0.75 222.0 0.4223 0.2234
0.75 234.0 0.0316 0.2322
0.75 246.0 0.0286 0.2583
0.75 258.0 -0.1362 0.2272
0.75 270.0 0.2359 0.2207
0.85 66.0 -0.1695 0.2734
0.85 78.0 -0.1241 0.2524
0.85 102.0 0.1666 0.2426
0.85 114.0 -0.1279 0.2246
0.85 126.0 0.0055 0.228
0.85 138.0 -0.1009 0.2628
0.85 210.0 0.1807 0.2585
0.85 222.0 -0.4724 0.1989
0.85 234.0 0.3339 0.2099
0.85 246.0 -0.1909 0.2002
0.85 258.0 -0.3744 0.1826
0.85 270.0 0.0824 0.2105
0.85 282.0 0.1177 0.1853
0.95 234.0 -0.0286 0.2622
0.95 246.0 -0.5407 0.2109
0.95 258.0 0.2375 0.2301
0.95 270.0 -0.1442 0.2033
0.95 282.0 -0.3578 0.1865
0.95 294.0 -0.1844 0.2538
Created in SINP MSU, CLAS Collaboration