CLAS Physics Database

Measurement E151M340

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: 0.1605
Q2: 0.0844 GeV2
W: 1415.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7852

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty
0.35 30.0 -0.032 0.5293
0.55 234.0 1.3616 0.6861
0.55 246.0 0.4067 0.5216
0.65 114.0 -0.1049 0.7338
0.65 126.0 0.6633 0.5998
0.65 138.0 -0.6019 0.524
0.65 150.0 -0.9975 0.6523
0.65 222.0 -1.2281 0.5973
0.65 234.0 0.6317 0.5267
0.65 246.0 0.3826 0.477
0.65 258.0 0.3336 0.5899
0.75 114.0 0.0698 0.5884
0.75 126.0 -1.0407 0.5203
0.75 138.0 -0.8419 0.5652
0.75 150.0 -0.2459 0.6422
0.75 222.0 -0.2837 0.5869
0.75 234.0 0.3574 0.5367
0.75 246.0 1.1189 0.4737
0.75 258.0 0.8356 0.4789
0.75 270.0 -0.4815 0.6224
0.85 114.0 -0.4 0.6491
0.85 126.0 -1.1783 0.6078
0.85 138.0 0.4073 0.5664
0.85 150.0 -0.0132 0.5591
0.85 162.0 -0.3505 0.6303
0.85 222.0 0.553 0.6408
0.85 234.0 0.8096 0.4876
0.85 246.0 -0.973 0.4218
0.85 258.0 -0.2174 0.3911
0.85 270.0 0.4006 0.521
0.95 102.0 -0.6434 0.4314
0.95 246.0 0.1217 0.4864
0.95 258.0 -0.0114 0.4527
0.95 270.0 0.6423 0.5044
0.95 282.0 -0.4533 0.5167
0.55 258.0 0.7757 0.9806
0.65 126.0 -0.7654 0.6612
0.65 222.0 0.0665 0.9961
0.65 234.0 -0.5956 0.5635
0.65 246.0 -0.0995 0.5553
0.65 258.0 0.2057 0.8609
0.75 114.0 -1.0879 0.5133
0.75 126.0 -0.288 0.8135
0.75 138.0 -0.4554 0.7295
0.75 150.0 2.0398 1.4033
0.75 222.0 1.8269 0.9367
0.75 234.0 0.2272 0.7501
0.75 246.0 0.0824 0.677
0.75 258.0 0.1462 0.6726
0.75 270.0 0.1527 0.9699
0.85 126.0 -1.14 0.5505
0.85 138.0 2.1267 1.306
0.85 150.0 0.1179 0.8925
0.85 222.0 -0.4054 0.7099
0.85 234.0 -0.0203 0.8085
0.85 246.0 0.2534 0.5701
0.85 258.0 0.0312 0.6
0.85 270.0 3.3707 3.3707
0.95 102.0 -0.0708 0.7816
0.95 114.0 -0.5904 0.7328
0.95 234.0 0.805 0.9549
0.95 246.0 0.2726 0.8082
0.95 258.0 0.8221 0.7625
0.95 270.0 -0.1212 0.6067