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
0.35 66.0 0.5681 0.7693
0.35 270.0 1.179 0.695
0.45 78.0 1.9113 0.7142
0.45 90.0 -0.0371 0.823
0.45 258.0 -0.3112 0.7795
0.45 270.0 0.0054 0.6106
0.45 282.0 -0.2906 0.6347
0.55 78.0 0.839 0.8571
0.55 90.0 -0.4861 0.7853
0.55 114.0 -0.409 0.774
0.55 126.0 -1.216 0.6415
0.55 138.0 -1.1399 0.6156
0.55 210.0 1.7364 0.8488
0.55 222.0 1.6571 0.7465
0.55 234.0 1.0228 0.8796
0.55 258.0 0.1752 0.7581
0.55 270.0 -0.7655 0.5377
0.55 282.0 0.0798 0.668
0.65 102.0 -1.0901 0.6697
0.65 114.0 0.2238 0.755
0.65 126.0 1.1647 0.7467
0.65 138.0 -0.2156 0.6345
0.65 150.0 0.0742 0.8106
0.65 186.0 0.426 0.8234
0.65 198.0 1.3296 0.7509
0.65 210.0 -0.4751 0.6743
0.65 222.0 -0.8504 0.5885
0.65 234.0 0.4918 0.8536
0.65 246.0 2.1263 0.6708
0.65 258.0 0.1868 0.7429
0.65 282.0 -0.1669 0.6464
0.65 294.0 0.7074 0.6466
0.75 66.0 1.0083 0.7399
0.75 78.0 0.8137 0.9538
0.75 126.0 -0.4634 0.672
0.75 138.0 -0.5253 0.6866
0.75 150.0 -0.0682 0.7952
0.75 198.0 -0.2586 0.7522
0.75 210.0 1.496 0.6958
0.75 222.0 0.5068 0.6243
0.75 234.0 -0.7321 0.5305
0.75 246.0 -0.0968 0.764
0.75 270.0 -0.7372 0.5919
0.75 282.0 0.256 0.5433
0.75 294.0 -0.1824 0.5399
0.85 102.0 -0.6606 0.5339
0.85 114.0 -0.0211 0.6218
0.85 126.0 0.1248 0.729
0.85 198.0 1.3005 0.8104
0.85 210.0 0.4084 0.5921
0.85 222.0 0.6862 0.5569
0.85 234.0 1.0769 0.5981
0.85 246.0 0.0758 0.6598
0.95 222.0 0.1481 0.727