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Measurement E151M202

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: 0.2713
Q2: 0.0291 GeV2
W: 1205.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9537

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 270.0 -0.6114 0.314 0.0475
0.55 282.0 -0.8915 0.26 0.0615
0.65 246.0 -0.2426 0.5477 0.0334
0.65 258.0 1.6755 1.6755 0.1053
0.65 270.0 -0.3565 0.3324 0.0369
0.65 282.0 0.2244 0.6406 0.0329
0.75 150.0 -0.8102 0.4617 0.0573
0.75 246.0 -0.005 0.4954 0.03
0.75 258.0 0.3491 0.5491 0.0366
0.75 270.0 0.4237 0.6237 0.0394
0.85 138.0 2.5767 2.5767 0.158
0.85 150.0 0.2323 0.5405 0.0331
0.85 162.0 -0.0406 0.417 0.0301
0.85 174.0 0.3352 0.5855 0.0362
0.85 186.0 0.3117 0.5812 0.0354
0.85 198.0 -0.4316 0.4051 0.0397
0.85 234.0 -0.608 0.4747 0.0473
0.45 282.0 -1.0087 0.3388 0.0693
0.55 258.0 0.0473 0.4595 0.0301
0.55 270.0 0.1617 0.4399 0.0316
0.55 282.0 0.1999 0.3245 0.0325
0.65 246.0 0.5228 0.4103 0.0441
0.65 258.0 -0.3155 0.3307 0.0358
0.65 270.0 -0.0908 0.3371 0.0305
0.75 150.0 -0.0469 0.49 0.0301
0.75 234.0 0.063 0.4272 0.0303
0.75 246.0 0.541 0.4282 0.045
0.75 258.0 0.1977 0.3313 0.0324
0.75 270.0 -0.1442 0.3721 0.0313
0.85 138.0 -0.4166 0.3788 0.0396
0.85 150.0 0.1612 0.3342 0.0316
0.85 162.0 -0.4288 0.3139 0.0401
0.85 174.0 -0.4799 0.2866 0.0422
0.85 186.0 0.0864 0.3526 0.0305
0.85 198.0 -0.1432 0.3432 0.0313
0.85 210.0 0.7455 0.4138 0.0551
0.85 222.0 -0.5452 0.3789 0.0452
0.85 246.0 0.0119 0.448 0.03
Created in SINP MSU, CLAS Collaboration