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Measurement E151M2789

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: 0.284
Q2: 0.205 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6925

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 234.0 0.2465 0.2669 0.0304
0.65 246.0 -0.7233 0.2419 0.0333
0.65 258.0 -0.0951 0.2702 0.0301
0.75 102.0 0.0103 0.2845 0.03
0.75 114.0 0.6237 0.2273 0.0325
0.75 138.0 0.126 0.2505 0.0301
0.75 162.0 0.0712 0.2783 0.03
0.75 234.0 -0.1859 0.2223 0.0302
0.75 246.0 -0.1583 0.2321 0.0302
0.75 270.0 0.0447 0.2615 0.03
0.85 114.0 -0.4753 0.2481 0.0315
0.85 138.0 0.1973 0.2606 0.0303
0.85 246.0 -0.0166 0.2342 0.03
0.85 258.0 -0.5785 0.2143 0.0322
0.85 270.0 -0.6283 0.2054 0.0325
0.95 78.0 -0.2777 0.252 0.0305
0.95 90.0 -0.0024 0.2502 0.03
0.95 270.0 -0.1169 0.272 0.0301
0.95 282.0 -0.3396 0.2378 0.0308
0.55 246.0 -0.4946 0.2939 0.0316
0.55 258.0 0.2802 0.3854 0.0305
0.55 270.0 -0.1658 0.3898 0.0302
0.65 246.0 -0.1637 0.4541 0.0302
0.65 258.0 0.1726 0.3222 0.0302
0.75 126.0 0.17 0.3783 0.0302
0.75 222.0 0.3539 0.3738 0.0308
0.75 234.0 -0.191 0.3786 0.0302
0.75 246.0 0.3246 0.277 0.0307
0.75 258.0 0.0366 0.3267 0.03
0.75 270.0 -0.2465 0.3417 0.0304
0.85 114.0 -0.7808 0.1828 0.0338
0.85 150.0 0.1733 0.3663 0.0302
0.85 270.0 -0.0969 0.3422 0.0301
0.85 282.0 -0.3177 0.3589 0.0307
0.85 294.0 0.1412 0.3539 0.0301
Created in SINP MSU, CLAS Collaboration