CLAS Physics Database

Measurement E151M1449

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: 0.648
Q2: 0.1205 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8944

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.45 282.0 -0.494 0.3959
0.45 294.0 -0.0874 0.471
0.55 270.0 0.1887 0.3823
0.55 282.0 0.0803 0.3663
0.65 258.0 -0.0787 0.4597
0.65 270.0 0.1995 0.4322
0.65 282.0 -0.4748 0.4922
0.65 294.0 0.406 0.4816
0.75 258.0 0.571 0.4699
0.75 270.0 -0.2292 0.5014
0.75 282.0 -0.2676 0.4718
0.75 294.0 0.322 0.5506
0.85 102.0 -0.3241 0.5904
0.85 114.0 0.567 0.5628
0.85 126.0 0.269 0.4875
0.85 138.0 -0.8956 0.4732
0.85 150.0 -0.0223 0.6137
0.85 258.0 -0.0232 0.5523
0.85 270.0 1.3751 0.4832
0.85 282.0 0.9132 0.5345
0.85 294.0 0.6111 0.5715
0.95 114.0 0.2312 0.4701
0.95 126.0 -0.0558 0.4121
0.95 138.0 0.1682 0.4474
0.95 150.0 -0.0754 0.5016
0.95 162.0 0.2394 0.4655
0.95 174.0 0.3244 0.5311
0.95 186.0 -0.2964 0.5528
0.95 210.0 -0.7736 0.5566
0.55 294.0 -0.7452 0.6485
0.65 258.0 -0.3073 0.6506
0.65 270.0 0.0701 0.6289
0.65 282.0 -0.4904 0.6153
0.65 294.0 -0.2374 0.702
0.75 258.0 0.6597 0.5025
0.75 270.0 0.0889 0.7177
0.75 282.0 -0.8275 0.4727
0.75 294.0 0.3715 0.6854
0.85 102.0 0.4634 0.6702
0.85 114.0 0.097 0.8998
0.85 126.0 0.1687 0.6818
0.85 150.0 -0.3049 0.8044
0.85 258.0 -1.0828 0.5122
0.85 270.0 0.7105 0.6517
0.85 282.0 0.1295 0.5608
0.85 294.0 0.823 0.6388
0.95 102.0 0.1866 0.6908
0.95 114.0 1.8154 1.8154
0.95 126.0 -0.0069 0.6442
0.95 138.0 -0.0824 0.6129
0.95 150.0 -0.8429 0.63
0.95 162.0 0.115 0.7243
0.95 174.0 1.2951 0.3615
0.95 186.0 0.3929 0.6667
0.95 198.0 1.1096 0.5231