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
0.55	30.0	3.3122	3.3122
0.55	42.0	1.2571	0.3779
0.55	138.0	-1.1353	0.5638
0.55	150.0	-0.6751	0.5803
0.55	210.0	-0.4018	0.735
0.55	222.0	1.7484	1.1161
0.55	234.0	-0.1992	0.3894
0.65	126.0	-0.5082	0.6064
0.65	138.0	0.2213	0.9509
0.65	210.0	0.1257	0.4658
0.65	222.0	1.0888	0.4758
0.75	210.0	-0.8681	0.4924
0.75	222.0	0.4942	0.8428
0.75	234.0	2.0572	2.0572
0.85	222.0	0.4246	0.832
0.85	234.0	-0.0103	0.7052
0.65	234.0	0.7506	0.5434
0.75	210.0	0.1374	0.5926
0.75	222.0	0.7109	0.5288
0.75	234.0	-0.6607	0.5126
0.85	126.0	-1.271	0.4987
0.85	222.0	0.6464	0.5606
0.85	234.0	0.1059	0.4975

CLAS Physics Database