Measurement E151M1093

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:	0.295
Q²:	0.4155 GeV²
W:	1595.0 GeV
E_beam:	2.999 GeV
ε:	0.8714

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	90.0	-0.1533	0.8773
0.55	102.0	-1.6078	0.6213
0.65	90.0	-1.4145	0.5727
0.65	102.0	-1.4071	0.6053
0.65	114.0	-0.5545	0.8481
0.75	66.0	0.9106	0.8589
0.75	78.0	-0.562	0.7976
0.75	102.0	0.041	0.7127
0.75	114.0	0.7977	1.0014
0.75	210.0	2.6445	0.9609
0.75	222.0	0.8691	0.887
0.75	234.0	-0.2303	0.6682
0.75	246.0	1.5898	0.9228
0.85	54.0	-0.4317	0.6949
0.85	66.0	-0.4315	0.7353
0.85	78.0	-0.1498	0.8458
0.85	114.0	-2.0671	0.4438
0.85	210.0	-0.0993	0.7065
0.85	222.0	1.0899	0.9156
0.85	234.0	0.3546	0.7532
0.85	246.0	1.2654	0.6783
0.85	258.0	-0.4306	0.5518
0.85	270.0	0.6675	0.7517
0.85	282.0	0.2093	0.803
0.95	186.0	-1.0228	0.698
0.95	210.0	-0.0785	0.8003
0.95	222.0	1.2325	0.9177
0.95	234.0	0.1564	0.6424
0.95	246.0	0.0978	0.6595
0.95	258.0	-0.9065	0.596
0.95	270.0	-0.2643	0.5347
0.95	282.0	1.1192	0.7266
0.95	294.0	0.9451	0.6535
0.95	306.0	-0.0946	0.602
0.95	318.0	-0.1335	0.5864

CLAS Physics Database