Measurement E151M658

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:	0.0679
Q²:	0.0707 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.8195

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	270.0	1.0362	0.788
0.35	282.0	0.1918	0.705
0.45	78.0	-0.2039	0.7631
0.45	126.0	0.6391	0.9018
0.45	270.0	-0.2378	0.5957
0.45	282.0	-0.1766	0.7369
0.55	114.0	0.5215	0.8445
0.55	126.0	-0.4021	0.7161
0.55	210.0	0.6732	0.8723
0.55	258.0	0.6242	0.8506
0.55	270.0	0.8312	0.8109
0.55	282.0	-0.3408	0.6441
0.65	114.0	-0.2606	0.6884
0.65	126.0	-0.5317	0.6535
0.65	138.0	-0.0022	0.6579
0.65	210.0	0.0833	0.6841
0.65	234.0	1.3661	0.8031
0.65	282.0	0.0273	0.7201
0.65	294.0	-0.1203	0.6758
0.75	66.0	-0.1377	0.7754
0.75	126.0	-1.0355	0.6444
0.75	138.0	-1.1816	0.524
0.75	198.0	1.6025	0.7614
0.75	210.0	0.0487	0.7741
0.75	222.0	-0.3352	0.6137
0.75	234.0	0.5211	0.6825
0.75	246.0	0.7995	0.7515
0.75	270.0	0.316	0.6827
0.75	282.0	0.1835	0.6546
0.75	294.0	1.0314	0.6479
0.85	102.0	-0.058	0.641
0.85	114.0	-1.6729	0.5437
0.85	126.0	-0.2276	0.8003
0.85	198.0	-0.7487	0.6433
0.85	210.0	1.073	0.6506
0.85	222.0	-0.121	0.557
0.85	234.0	0.0227	0.6086
0.85	246.0	0.2878	0.7193
0.95	234.0	0.3544	0.7162
0.95	246.0	-0.3591	0.6424

CLAS Physics Database