Measurement E151M749

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:	0.9326
Q²:	0.2915 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9291

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	270.0	0.2001	0.4883
0.75	90.0	-0.0946	0.4249
0.75	270.0	0.6469	0.4828
0.75	282.0	0.478	0.509
0.75	294.0	0.3703	0.4725
0.85	66.0	-0.0066	0.5047
0.85	90.0	-0.0153	0.4687
0.85	282.0	-0.0898	0.5114
0.95	282.0	0.8817	0.7987
0.55	282.0	-0.8129	1.4703
0.65	270.0	1.6559	1.6724
0.65	282.0	-1.9572	1.3615
0.75	270.0	0.7085	1.5772
0.75	282.0	0.9113	1.7302
0.85	66.0	0.9266	2.2505
0.85	90.0	-2.3308	2.066
0.85	102.0	-3.6034	1.915
0.85	294.0	-0.4132	1.8691
0.95	78.0	5.8368	6.0771

CLAS Physics Database