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Measurement E151M3524

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: 0.3277
Q2: 0.4155 GeV2
W: 1565.0 GeV
Ebeam: 2.999 GeV
ε: 0.8818

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 90.0 0.1703 0.2807
0.45 102.0 0.0384 0.282
0.45 282.0 -0.1462 0.2527
0.55 90.0 0.2219 0.2405
0.55 102.0 -0.1145 0.2342
0.55 114.0 0.2736 0.2543
0.65 90.0 -0.2002 0.2453
0.65 102.0 -0.0255 0.2197
0.65 114.0 0.5137 0.2448
0.65 126.0 -0.3852 0.2503
0.65 234.0 -0.1243 0.2695
0.65 306.0 -0.0823 0.2569
0.75 54.0 0.019 0.2868
0.75 66.0 0.2379 0.2407
0.75 90.0 -0.335 0.2144
0.75 102.0 0.4196 0.1989
0.75 114.0 0.4266 0.2026
0.75 126.0 0.0764 0.2614
0.75 210.0 0.2926 0.2644
0.75 222.0 -0.0532 0.2606
0.75 234.0 0.0004 0.2133
0.75 246.0 -0.1765 0.1999
0.75 258.0 0.166 0.238
0.75 270.0 0.4527 0.2542
0.85 54.0 -0.0019 0.245
0.85 66.0 -0.0454 0.2008
0.85 78.0 -0.485 0.2217
0.85 114.0 0.2483 0.2169
0.85 126.0 0.2588 0.2587
0.85 174.0 -0.1149 0.2807
0.85 198.0 0.1567 0.2643
0.85 210.0 -0.0944 0.2454
0.85 222.0 -0.264 0.2594
0.85 234.0 -0.0851 0.222
0.85 246.0 0.0008 0.198
0.85 258.0 0.203 0.1694
0.85 270.0 -0.3228 0.1673
0.85 282.0 -0.0942 0.2229
0.95 186.0 0.0675 0.2686
0.95 222.0 0.2021 0.2344
0.95 234.0 -0.0453 0.2247
0.95 246.0 0.3872 0.2045
0.95 258.0 -0.265 0.2051
0.95 270.0 -0.3206 0.2226
0.95 282.0 -0.2036 0.2003
0.95 294.0 0.4823 0.2015
0.95 306.0 0.4264 0.1769
0.95 318.0 -0.0813 0.1854
0.95 330.0 0.3368 0.2291
Created in SINP MSU, CLAS Collaboration