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Measurement E151M493

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: 0.5708
Q2: 0.1205 GeV2
W: 1265.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9498

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.25 66.0 0.7115 0.4549
0.25 78.0 -0.5145 0.5283
0.35 66.0 -0.2907 0.3608
0.35 78.0 0.0359 0.4954
0.45 66.0 -0.0004 0.4428
0.45 78.0 -0.5905 0.3549
0.45 282.0 -0.2679 0.5362
0.45 294.0 -0.3558 0.5508
0.55 66.0 0.3509 0.5945
0.55 78.0 0.698 0.4586
0.55 270.0 0.4825 0.4735
0.55 282.0 -0.1078 0.3897
0.55 294.0 -0.0284 0.5588
0.65 258.0 0.0413 0.4037
0.65 270.0 -0.048 0.3221
0.65 282.0 0.5151 0.4681
0.75 90.0 -0.7841 0.4785
0.75 102.0 -0.2365 0.4331
0.75 114.0 1.008 0.4613
0.75 126.0 0.1513 0.5659
0.75 246.0 0.2 0.4713
0.75 258.0 -0.0672 0.4091
0.75 270.0 0.1411 0.3589
0.75 282.0 0.5028 0.3875
0.85 90.0 -1.1227 0.3244
0.85 102.0 0.69 0.3556
0.85 114.0 0.5014 0.3712
0.85 126.0 -0.1876 0.3262
0.85 138.0 0.0413 0.3997
0.85 234.0 -0.0363 0.5506
0.85 246.0 -0.7176 0.3629
0.85 258.0 0.394 0.3686
0.85 270.0 -0.1152 0.3031
0.85 282.0 0.0424 0.359
0.95 90.0 -0.1038 0.4127
0.95 102.0 -0.0439 0.363
0.95 114.0 0.3196 0.3478
0.95 126.0 0.4663 0.3691
0.95 138.0 -0.0248 0.3942
0.95 150.0 0.1772 0.44
0.95 162.0 0.0645 0.4111
0.95 174.0 -0.4413 0.3678
0.95 186.0 -0.5334 0.4617
0.95 234.0 -0.2309 0.4649
0.95 246.0 0.268 0.504
0.95 258.0 0.1745 0.5115
0.95 270.0 0.0078 0.4526
Created in SINP MSU, CLAS Collaboration