CLAS Physics Database

Measurement E151M1410

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: ALL
εL: 0.0208
Q2: 0.0171 GeV2
W: 1475.0 GeV
Ebeam: 1.0539 GeV
ε: 0.5934

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 42.0 -0.4879 0.735 0.0627
0.25 54.0 -0.4179 0.8032 0.0559
0.35 42.0 0.8266 0.7001 0.0979
0.35 54.0 -0.4457 0.5182 0.0585
0.35 66.0 -1.8114 0.6619 0.2065
0.45 30.0 -0.5943 0.7861 0.0734
0.45 42.0 -1.4453 0.7093 0.1657
0.45 54.0 -0.7 0.5498 0.0845
0.45 66.0 -1.733 0.6199 0.1978
0.45 222.0 1.2497 0.7359 0.1441
0.45 234.0 0.0532 0.6602 0.0306
0.45 246.0 -0.2769 0.6279 0.0433
0.55 30.0 -1.2413 0.7542 0.1432
0.55 42.0 -0.6509 0.679 0.0793
0.55 54.0 -1.5916 0.8196 0.182
0.55 66.0 -1.5368 0.8572 0.1759
0.55 150.0 0.1961 0.8116 0.0373
0.55 162.0 -0.1469 0.8508 0.0343
0.55 222.0 0.4121 0.7537 0.0553
0.55 234.0 -0.3593 0.5879 0.0504
0.55 246.0 -0.4613 0.5368 0.0601
0.55 258.0 1.4749 0.6235 0.169
0.65 42.0 -0.7357 0.8241 0.0882
0.65 150.0 -1.4813 0.7088 0.1697
0.65 162.0 -1.251 0.7562 0.1442
0.65 222.0 -0.4442 0.5836 0.0584
0.65 234.0 0.0269 0.5337 0.0302
0.65 246.0 0.3043 0.5691 0.0456
0.65 258.0 -0.1815 0.7158 0.0363
0.75 42.0 -0.0489 0.7672 0.0305
0.75 222.0 -0.4282 0.7769 0.0569
0.75 234.0 0.483 0.5402 0.0622
0.75 246.0 0.253 0.537 0.0414
0.75 258.0 -0.6953 0.6673 0.084
0.85 138.0 -1.1637 0.7982 0.1346
0.85 150.0 -0.3751 0.7639 0.0519
0.85 222.0 -0.8926 0.5726 0.105
0.85 234.0 -0.1523 0.5052 0.0346
0.85 246.0 0.0889 0.4865 0.0316
0.85 258.0 1.119 0.7245 0.1297