CLAS Physics Database

Measurement E151M1597

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: 0.0719
Q2: 0.0496 GeV2
W: 1475.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7443

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.35 30.0 0.1092 0.8193
0.35 42.0 -0.2291 0.7734
0.45 30.0 -0.2773 0.9199
0.45 42.0 0.5586 0.875
0.55 126.0 -0.28 0.8854
0.55 138.0 -0.2173 0.8744
0.55 210.0 -1.3759 0.7538
0.55 222.0 1.309 0.8043
0.55 234.0 -1.2006 0.678
0.55 246.0 0.1818 0.7097
0.65 114.0 -0.8796 0.8624
0.65 126.0 -0.0582 0.7085
0.65 138.0 -0.738 0.667
0.65 150.0 -0.4269 0.8785
0.65 162.0 0.2077 0.8065
0.65 210.0 0.6372 0.8438
0.65 222.0 -0.3562 0.7107
0.65 234.0 -0.6279 0.6561
0.65 246.0 0.0428 0.5739
0.75 126.0 -1.1779 0.6568
0.75 138.0 -0.129 0.6467
0.75 150.0 -1.4159 0.6279
0.75 162.0 -0.0214 0.8713
0.75 174.0 -0.1781 0.8476
0.75 222.0 -0.9071 0.7021
0.75 234.0 -0.3652 0.6293
0.75 246.0 0.4566 0.6029
0.75 258.0 -0.1232 0.7311
0.85 126.0 0.7942 0.7333
0.85 222.0 0.8993 0.6446
0.85 234.0 -1.0799 0.5391
0.85 246.0 -0.4784 0.581
0.85 258.0 0.8042 0.5584
0.95 234.0 -0.8676 0.6498
0.95 246.0 0.0636 0.6568
0.25 42.0 -0.0212 1.1034
0.35 42.0 0.5064 1.1373
0.45 30.0 0.0821 0.9792
0.45 42.0 -1.9923 1.2103
0.45 234.0 0.5274 1.0886
0.55 150.0 -1.1736 0.8798
0.55 210.0 -0.61 1.0523
0.55 222.0 0.4778 0.8834
0.55 234.0 -1.4204 0.8342
0.55 246.0 0.6528 0.9704
0.55 258.0 -1.9784 0.8471
0.65 126.0 0.6751 1.0539
0.65 138.0 0.1172 1.1021
0.65 150.0 1.1924 0.8811
0.65 162.0 -0.4125 0.947
0.65 210.0 -1.6933 0.7883
0.65 222.0 -1.5787 0.8685
0.65 234.0 -0.7268 0.7391
0.65 246.0 -0.7354 0.8401
0.65 258.0 -0.0174 1.0558
0.75 126.0 -0.6243 1.0764
0.75 138.0 -0.4482 0.8485
0.75 150.0 0.0451 1.2247
0.75 162.0 0.692 1.2679
0.75 222.0 -0.9572 0.8841
0.75 234.0 1.0167 0.6771
0.75 246.0 -0.8774 0.7012
0.75 258.0 0.1569 1.0058
0.85 126.0 -1.5331 0.8254
0.85 210.0 1.3517 0.9184
0.85 222.0 -0.7465 0.7415
0.85 234.0 0.2954 0.8063
0.85 246.0 0.2064 0.7642
0.85 258.0 -0.7956 0.7402
0.95 234.0 -0.1544 0.8769
0.95 246.0 -0.5421 0.765