CLAS Physics Database

Measurement E151M745

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: 0.6494
Q2: 0.1435 GeV2
W: 1265.0 GeV
Ebeam: 2.2596 GeV
ε: 0.9578

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 66.0 -1.8762 1.5385
0.35 78.0 0.1791 1.5335
0.45 66.0 1.2251 1.7799
0.45 78.0 0.092 1.9551
0.65 270.0 0.755 1.4336
0.65 282.0 -0.539 1.2939
0.75 102.0 2.2127 1.8795
0.75 114.0 -0.8131 2.0689
0.75 258.0 -0.2033 1.5306
0.75 270.0 -0.5149 1.2336
0.75 282.0 0.1434 1.1868
0.85 90.0 0.402 2.041
0.85 102.0 2.8973 1.9055
0.85 114.0 1.5022 2.1254
0.85 126.0 -0.0258 2.3221
0.85 258.0 1.6868 1.739
0.85 270.0 -0.437 1.6612
0.85 282.0 0.726 1.5492
0.95 90.0 3.1293 5.7655
0.95 114.0 8.6296 6.3073
0.95 126.0 4.3396 1.245
0.95 138.0 -2.7156 6.2308
0.95 150.0 -5.2765 5.28
0.95 162.0 -2.4649 5.5134
0.25 66.0 0.1126 0.4034
0.35 66.0 0.1079 0.3624
0.45 66.0 0.5826 0.3921
0.55 66.0 0.5298 0.5084
0.55 270.0 1.3657 0.4922
0.65 270.0 -0.3539 0.3387
0.65 282.0 0.0478 0.3591
0.75 90.0 0.4476 0.5204
0.75 102.0 0.1891 0.4594
0.75 114.0 -0.1332 0.506
0.75 258.0 0.4718 0.3916
0.75 270.0 0.5485 0.3747
0.75 282.0 0.0815 0.37
0.85 90.0 1.0848 0.4448
0.85 102.0 0.5451 0.533
0.85 114.0 0.452 0.4389
0.85 126.0 -0.1225 0.5085
0.85 246.0 0.7523 0.5651
0.85 258.0 0.8685 0.4344
0.85 270.0 -0.2989 0.394
0.85 282.0 -0.1322 0.388
0.95 90.0 0.1407 0.7904
0.95 102.0 0.24 0.665
0.95 114.0 1.4221 0.7768
0.95 126.0 0.9337 0.8881
0.95 138.0 1.7435 0.8914
0.95 150.0 0.604 0.9558
0.95 258.0 0.5748 0.8892