CLAS Physics Database

Measurement E151M396

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: 0.0807
Q2: 0.0707 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.6863

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.55 126.0 -1.4564 0.5506
0.55 138.0 0.1621 0.5327
0.55 150.0 -0.2173 0.6399
0.55 162.0 0.6378 0.6576
0.55 222.0 0.6447 0.4991
0.55 234.0 0.6837 0.4585
0.55 246.0 0.3216 0.5215
0.65 126.0 -0.6744 0.5407
0.65 138.0 -0.2734 0.5244
0.65 150.0 -0.4433 0.605
0.65 210.0 0.8116 0.5615
0.65 222.0 -0.26 0.5517
0.65 234.0 0.1945 0.4653
0.65 246.0 -0.0548 0.4296
0.65 258.0 0.9124 0.6022
0.75 126.0 -0.7697 0.4992
0.75 138.0 -0.3944 0.4611
0.75 150.0 -0.4378 0.5576
0.75 210.0 -0.439 0.5811
0.75 222.0 1.0063 0.4931
0.75 234.0 -0.3031 0.4108
0.75 246.0 0.9817 0.4172
0.75 258.0 0.2169 0.496
0.85 150.0 -0.7247 0.587
0.85 222.0 -0.609 0.5187
0.85 234.0 1.1444 0.5174
0.85 246.0 0.3193 0.4055
0.85 258.0 0.1106 0.55
0.95 126.0 -0.4463 0.4676
0.95 138.0 0.1516 0.5308
0.95 246.0 0.2961 0.4959
0.55 258.0 1.7603 1.0884
0.65 138.0 -0.4424 0.803
0.65 150.0 -1.1895 0.4517
0.65 210.0 -0.4963 0.6621
0.65 222.0 0.7178 0.7444
0.65 234.0 0.2596 0.7577
0.65 246.0 0.5107 0.8625
0.75 138.0 0.1946 0.953
0.75 150.0 -0.5268 0.7789
0.75 222.0 2.108 2.108
0.75 234.0 -0.1629 0.7365
0.75 246.0 2.4207 2.4207
0.75 258.0 -0.4449 0.5722
0.85 126.0 -0.171 0.796
0.85 222.0 1.0323 0.9617
0.85 234.0 0.5987 0.637
0.85 246.0 1.4988 0.8084
0.85 258.0 -0.0864 0.6979
0.95 246.0 1.2217 1.0247