Measurement E151M386

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:	0.016
Q²:	0.0121 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7368

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	30.0	3.3122	3.3122	0.2017
0.55	42.0	1.2571	0.3779	0.104
0.55	138.0	-1.1353	0.5638	0.0747
0.55	150.0	-0.6751	0.5803	0.0515
0.55	210.0	-0.4018	0.735	0.0385
0.55	222.0	1.7484	1.1161	0.1095
0.55	234.0	-0.1992	0.3894	0.0454
0.65	126.0	-0.5082	0.6064	0.0435
0.65	138.0	0.2213	0.9509	0.0328
0.65	210.0	0.1257	0.4658	0.0314
0.65	222.0	1.0888	0.4758	0.0752
0.75	210.0	-0.8681	0.4924	0.0603
0.75	222.0	0.4942	0.8428	0.0423
0.75	234.0	2.0572	2.0572	0.1275
0.85	222.0	0.4246	0.832	0.0394
0.85	234.0	-0.0103	0.7052	0.03
0.65	234.0	0.7506	0.5434	0.0553
0.75	210.0	0.1374	0.5926	0.0312
0.75	222.0	0.7109	0.5288	0.0533
0.75	234.0	-0.6607	0.5126	0.0507
0.85	126.0	-1.271	0.4987	0.0842
0.85	222.0	0.6464	0.5606	0.05
0.85	234.0	0.1059	0.4975	0.0307

CLAS Physics Database