CLAS Physics Database

Measurement E151M1612

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: 0.0315
Q2: 0.0245 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7262

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.35 30.0 0.5997 0.7876
0.45 18.0 0.1595 0.9607
0.45 30.0 -1.5758 0.9762
0.45 42.0 -0.0365 0.8687
0.45 138.0 0.7251 1.0224
0.45 210.0 -0.6342 1.0192
0.45 222.0 0.148 0.9563
0.45 234.0 -0.3455 0.9816
0.45 246.0 0.0013 0.9563
0.55 30.0 0.2717 0.783
0.55 42.0 -1.9517 0.5826
0.55 126.0 0.6734 0.8928
0.55 138.0 -1.1461 0.7533
0.55 150.0 0.2126 1.044
0.55 162.0 0.6246 0.955
0.55 210.0 0.2836 1.0746
0.55 222.0 -0.0935 0.7622
0.55 234.0 -0.4633 0.6876
0.55 246.0 -0.5645 0.8199
0.65 126.0 0.0954 0.9694
0.65 138.0 -1.4005 0.8335
0.65 150.0 -0.1388 0.9616
0.65 162.0 -1.33 0.8293
0.65 198.0 0.0387 0.9391
0.65 210.0 -0.2407 0.7687
0.65 222.0 -0.6016 0.6366
0.65 234.0 -0.619 0.745
0.65 246.0 -1.308 0.7039
0.75 138.0 -1.8685 0.922
0.75 150.0 1.3971 0.8234
0.75 210.0 -1.0359 0.7059
0.75 222.0 -0.8175 0.5934
0.75 234.0 0.0786 0.6612
0.75 246.0 -0.2733 0.775
0.85 138.0 -1.0177 0.9334
0.85 210.0 -0.5314 0.755
0.85 222.0 -1.2483 0.5816
0.85 234.0 1.946 1.946
0.85 246.0 -1.1457 0.8135
0.95 222.0 -0.2914 0.8436
0.95 234.0 -0.1628 0.7985
0.35 42.0 -0.8864 0.7839
0.45 18.0 -0.8051 0.6933
0.45 30.0 1.4173 0.6358
0.45 42.0 -1.1535 0.7064
0.45 138.0 -0.3093 0.823
0.45 150.0 -0.1486 0.7597
0.45 210.0 -1.1909 0.8869
0.45 222.0 -0.6631 0.6407
0.45 234.0 -0.8736 0.7393
0.55 30.0 -0.075 0.6025
0.55 42.0 -0.5008 0.7736
0.55 138.0 -0.7531 0.6233
0.55 150.0 -0.366 0.7546
0.55 162.0 -0.1403 0.7754
0.55 210.0 1.4938 0.7979
0.55 222.0 -0.6375 0.6321
0.55 234.0 -0.2042 0.562
0.55 246.0 0.8949 0.6815
0.65 126.0 -0.1865 0.6187
0.65 138.0 -0.6596 0.6501
0.65 150.0 -0.1093 0.6593
0.65 162.0 -0.3438 0.7994
0.65 210.0 0.5208 0.721
0.65 222.0 -0.3936 0.6066
0.65 234.0 -0.9978 0.5979
0.65 246.0 -1.0335 0.6756
0.75 138.0 -0.8031 0.5941
0.75 210.0 -1.0135 0.675
0.75 222.0 -0.8562 0.6653
0.75 234.0 -0.5377 0.5721
0.75 246.0 0.2211 0.5837
0.85 126.0 -0.1222 0.6722
0.85 138.0 -0.124 0.7391
0.85 210.0 -0.6715 0.7002
0.85 222.0 -0.3536 0.5953
0.85 234.0 -0.4165 0.5289
0.85 246.0 -0.0957 0.6072