CLAS Physics Database

Measurement E151M657

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: 0.0579
Q2: 0.0593 GeV2
W: 1595.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8242

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.35 66.0 0.5681 0.7693 0.0459
0.35 270.0 1.179 0.695 0.0781
0.45 78.0 1.9113 0.7142 0.1207
0.45 90.0 -0.0371 0.823 0.0301
0.45 258.0 -0.3112 0.7795 0.0355
0.45 270.0 0.0054 0.6106 0.03
0.45 282.0 -0.2906 0.6347 0.0349
0.55 78.0 0.839 0.8571 0.0594
0.55 90.0 -0.4861 0.7853 0.0422
0.55 114.0 -0.409 0.774 0.0391
0.55 126.0 -1.216 0.6415 0.0802
0.55 138.0 -1.1399 0.6156 0.0759
0.55 210.0 1.7364 0.8488 0.1104
0.55 222.0 1.6571 0.7465 0.1057
0.55 234.0 1.0228 0.8796 0.0694
0.55 258.0 0.1752 0.7581 0.0319
0.55 270.0 -0.7655 0.5377 0.0556
0.55 282.0 0.0798 0.668 0.0304
0.65 102.0 -1.0901 0.6697 0.0731
0.65 114.0 0.2238 0.755 0.033
0.65 126.0 1.1647 0.7467 0.0773
0.65 138.0 -0.2156 0.6345 0.0328
0.65 150.0 0.0742 0.8106 0.0303
0.65 186.0 0.426 0.8234 0.0397
0.65 198.0 1.3296 0.7509 0.0867
0.65 210.0 -0.4751 0.6743 0.0418
0.65 222.0 -0.8504 0.5885 0.06
0.65 234.0 0.4918 0.8536 0.0425
0.65 246.0 2.1263 0.6708 0.1335
0.65 258.0 0.1868 0.7429 0.0321
0.65 282.0 -0.1669 0.6464 0.0317
0.65 294.0 0.7074 0.6466 0.0527
0.75 66.0 1.0083 0.7399 0.0686
0.75 78.0 0.8137 0.9538 0.0581
0.75 126.0 -0.4634 0.672 0.0413
0.75 138.0 -0.5253 0.6866 0.044
0.75 150.0 -0.0682 0.7952 0.0303
0.75 198.0 -0.2586 0.7522 0.0339
0.75 210.0 1.496 0.6958 0.0963
0.75 222.0 0.5068 0.6243 0.0431
0.75 234.0 -0.7321 0.5305 0.0539
0.75 246.0 -0.0968 0.764 0.0306
0.75 270.0 -0.7372 0.5919 0.0542
0.75 282.0 0.256 0.5433 0.0338
0.75 294.0 -0.1824 0.5399 0.032
0.85 102.0 -0.6606 0.5339 0.0503
0.85 114.0 -0.0211 0.6218 0.03
0.85 126.0 0.1248 0.729 0.031
0.85 198.0 1.3005 0.8104 0.085
0.85 210.0 0.4084 0.5921 0.039
0.85 222.0 0.6862 0.5569 0.0516
0.85 234.0 1.0769 0.5981 0.0724
0.85 246.0 0.0758 0.6598 0.0304
0.95 222.0 0.1481 0.727 0.0313