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Measurement E151M3217

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: 0.6352
Q2: 0.2445 GeV2
W: 1325.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9249

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.65 90.0 0.1099 0.1753
0.65 258.0 -0.0626 0.2341
0.75 102.0 -0.0391 0.2599
0.75 114.0 0.0745 0.2585
0.75 258.0 -0.3375 0.2373
0.75 270.0 0.2529 0.2271
0.75 282.0 0.0053 0.2504
0.85 90.0 -0.2325 0.2395
0.85 102.0 -0.5147 0.2195
0.85 114.0 -0.162 0.2274
0.85 126.0 -0.0186 0.2554
0.85 270.0 -0.3681 0.2114
0.85 294.0 0.4629 0.1981
0.95 126.0 0.2676 0.2444
0.95 258.0 0.4367 0.2339
0.95 306.0 0.3574 0.2395
0.65 282.0 0.0626 0.2407
0.75 78.0 -0.2678 0.2278
0.75 90.0 0.3307 0.2243
0.75 102.0 0.2235 0.22
0.75 114.0 -0.3212 0.2459
0.75 246.0 -0.4771 0.2143
0.75 270.0 0.3101 0.2216
0.75 282.0 -0.1811 0.2433
0.75 294.0 0.3535 0.2608
0.85 78.0 -0.0383 0.2433
0.85 90.0 0.0454 0.2492
0.85 102.0 -0.3877 0.1926
0.85 114.0 0.3954 0.2162
0.85 126.0 -0.0574 0.255
0.85 234.0 -0.1356 0.231
0.85 258.0 0.1995 0.2472
0.85 270.0 0.0511 0.2264
0.85 282.0 0.1264 0.2226
0.85 294.0 -0.2676 0.2533
0.95 90.0 0.4041 0.2313
0.95 102.0 -0.0378 0.2543
0.95 114.0 -0.0064 0.2581
0.95 258.0 -0.0517 0.2618
0.95 270.0 -0.3984 0.2385
0.95 282.0 -0.2545 0.2503
0.95 294.0 -0.3801 0.2524
0.95 306.0 -0.0104 0.2507
Created in SINP MSU, CLAS Collaboration