Measurement E151M364

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:	A_UL
ε_L:	0.237
Q²:	0.205 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.655

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	126.0	0.6545	1.407
0.65	246.0	-1.256	0.5975
0.75	222.0	0.9227	1.2373
0.75	234.0	0.0349	0.8879
0.75	246.0	3.756	3.756
0.75	258.0	1.1215	1.1561
0.75	270.0	-0.5732	0.6715
0.85	234.0	-0.5691	0.8231
0.85	246.0	0.1221	0.853
0.85	258.0	0.8965	1.1511
0.85	270.0	-0.7663	0.6839
0.85	282.0	-0.2049	0.9529
0.95	78.0	-1.2853	0.4938
0.95	246.0	-0.4061	0.715
0.95	270.0	-0.089	0.8363
0.95	282.0	-0.0516	0.8362
0.55	258.0	0.5401	0.7357
0.65	258.0	-0.171	0.736
0.75	126.0	-0.0782	0.6324
0.75	138.0	-1.4228	0.6293
0.75	222.0	-0.8958	0.6895
0.75	258.0	-0.2637	0.615
0.75	270.0	0.9221	0.7085
0.85	246.0	-0.2385	0.6614
0.85	270.0	0.56	0.6962
0.85	282.0	0.3614	0.6152
0.95	282.0	0.0788	0.6188

CLAS Physics Database