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Measurement E151M2956

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: 0.7229
Q2: 0.2445 GeV2
W: 1295.0 GeV
Ebeam: 1.9889 GeV
ε: 0.91

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 66.0 0.5101 0.2273
0.45 66.0 0.1889 0.274
0.55 282.0 -0.0995 0.2471
0.65 102.0 0.4248 0.2474
0.65 258.0 -0.2296 0.2383
0.65 270.0 -0.054 0.229
0.65 282.0 0.294 0.2051
0.75 78.0 0.487 0.2159
0.75 90.0 0.1462 0.2346
0.75 102.0 -0.0385 0.2411
0.75 114.0 -0.0379 0.2412
0.75 246.0 -0.0338 0.2863
0.75 258.0 0.0792 0.2336
0.75 270.0 -0.2013 0.2028
0.75 282.0 0.5359 0.2121
0.75 294.0 -0.0497 0.205
0.85 78.0 -0.3722 0.2496
0.85 90.0 -0.4156 0.1955
0.85 102.0 0.0243 0.2073
0.85 114.0 0.7341 0.1611
0.85 126.0 -0.0798 0.2697
0.85 234.0 0.1354 0.2627
0.85 246.0 -0.3801 0.2355
0.85 258.0 -0.1262 0.2563
0.85 270.0 -0.1409 0.2338
0.85 282.0 0.1274 0.2
0.85 294.0 0.0431 0.2318
0.95 78.0 -0.1417 0.2683
0.95 90.0 0.0507 0.2589
0.95 102.0 0.1707 0.2253
0.95 114.0 -0.0144 0.2505
0.95 126.0 0.0795 0.2682
0.95 138.0 -0.0936 0.2609
0.95 150.0 0.0922 0.2415
0.95 258.0 0.2497 0.2616
0.95 270.0 0.359 0.239
0.95 282.0 0.1475 0.2846
Created in SINP MSU, CLAS Collaboration