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Measurement E151M108

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: AUL
εL: 0.0364
Q2: 0.0121 GeV2
W: 1355.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8024

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 42.0 2.4277 0.8754
0.35 42.0 -0.0158 0.6315
0.35 54.0 0.0228 0.6175
0.45 30.0 0.0979 0.8465
0.45 42.0 0.247 0.6493
0.45 54.0 0.2534 0.6213
0.45 66.0 -0.6479 0.79
0.55 18.0 0.1364 0.8169
0.55 30.0 0.6693 0.5288
0.55 42.0 0.3971 0.5073
0.55 54.0 0.195 0.6081
0.55 66.0 -0.1896 0.935
0.55 210.0 0.4144 0.8111
0.55 222.0 0.5513 0.7376
0.55 234.0 0.3425 0.4855
0.55 246.0 0.594 0.6425
0.55 258.0 -0.7364 0.5216
0.65 42.0 -0.204 0.6165
0.65 54.0 0.854 0.6044
0.65 138.0 0.0913 0.6841
0.65 150.0 -0.3405 0.6126
0.65 162.0 -0.7813 0.6412
0.65 174.0 -0.6223 0.612
0.65 198.0 0.2777 0.8305
0.65 210.0 0.9718 0.6925
0.65 222.0 -0.7981 0.4356
0.65 234.0 -0.1169 0.4783
0.65 246.0 0.4543 0.4321
0.65 258.0 1.0413 0.6039
0.75 138.0 0.6313 0.7964
0.75 150.0 -0.9598 0.6579
0.75 162.0 0.4801 0.7318
0.75 174.0 1.6698 0.8102
0.75 210.0 -0.478 0.5808
0.75 222.0 -0.3274 0.5155
0.75 234.0 0.1382 0.4775
0.75 246.0 -0.5103 0.4119
0.75 258.0 -0.1229 0.5519
0.85 210.0 1.1933 0.8218
0.85 222.0 0.3789 0.5572
0.85 234.0 -0.2203 0.4473
0.85 246.0 0.7576 0.5207
0.85 258.0 1.2562 0.617
Created in SINP MSU, CLAS Collaboration