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Measurement E151M1850

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: ALL
εL: 0.1044
Q2: 0.0844 GeV2
W: 1535.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8547

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 -0.5434 0.9182
0.25 294.0 0.4652 0.836
0.35 66.0 -0.3689 0.8954
0.35 78.0 -0.2093 0.7231
0.35 270.0 -0.4476 0.7842
0.35 282.0 0.165 0.7008
0.35 294.0 -1.1844 0.7666
0.45 66.0 -0.1081 0.9032
0.45 78.0 -1.0388 0.8131
0.45 126.0 1.023 0.8416
0.45 258.0 -0.4023 0.8441
0.45 270.0 0.853 0.6188
0.45 282.0 -0.5653 0.6827
0.45 294.0 0.6545 0.6693
0.55 78.0 0.0926 0.8141
0.55 114.0 -1.7196 0.7002
0.55 126.0 -0.5595 0.7271
0.55 138.0 -0.574 0.9651
0.55 150.0 0.2892 1.0233
0.55 210.0 0.7281 0.8963
0.55 222.0 0.4477 0.7387
0.55 234.0 -0.0932 0.7863
0.55 258.0 1.3104 0.7247
0.55 270.0 -1.05 0.6661
0.55 282.0 0.24 0.6653
0.55 294.0 0.0312 0.8467
0.65 66.0 0.0116 0.8433
0.65 78.0 -0.9502 0.9193
0.65 102.0 0.6963 0.872
0.65 114.0 -0.7502 0.6911
0.65 126.0 0.6814 0.6916
0.65 138.0 0.3412 0.713
0.65 150.0 -1.3363 0.7837
0.65 198.0 -1.3905 0.7943
0.65 222.0 -0.4998 0.6119
0.65 234.0 0.8507 0.6846
0.65 246.0 -0.4773 0.7545
0.65 282.0 1.1909 0.8931
0.65 294.0 0.4661 0.6996
0.65 306.0 0.4148 0.8122
0.75 66.0 -0.3613 0.8864
0.75 102.0 0.6162 0.8311
0.75 114.0 0.219 0.6702
0.75 126.0 0.2996 0.6269
0.75 138.0 0.1313 0.6876
0.75 150.0 -0.467 0.8011
0.75 162.0 -0.2832 0.9211
0.75 198.0 -1.5342 0.8079
0.75 210.0 -0.5272 0.7608
0.75 222.0 0.3047 0.5786
0.75 234.0 -0.2178 0.4822
0.75 246.0 -0.5494 0.6087
0.75 282.0 -0.694 0.6629
0.75 294.0 0.6272 0.7014
0.85 90.0 0.7698 0.7889
0.85 102.0 -0.5023 0.7281
0.85 114.0 -0.125 0.8348
0.85 126.0 0.379 0.8161
0.85 138.0 -0.9819 0.8943
0.85 198.0 1.3008 0.732
0.85 210.0 -1.045 0.6092
0.85 222.0 -0.2338 0.6053
0.85 234.0 0.0238 0.538
0.85 246.0 0.5812 0.6348
0.85 258.0 -0.5836 0.858
0.95 114.0 0.0519 0.8261
0.95 126.0 -1.2597 0.7272
0.95 222.0 0.3627 0.671
0.95 234.0 -0.2888 0.6465
0.95 246.0 -0.5354 0.5915
0.95 258.0 0.7407 0.733
Created in SINP MSU, CLAS Collaboration