Measurement E151M786

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:	0.598
Q²:	0.2915 GeV²
W:	1355.0 GeV
E_beam:	2.2596 GeV
ε:	0.906

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	90.0	1.7472	1.3628	0.164
0.75	246.0	1.0069	1.2292	0.0976
0.85	90.0	-0.7109	1.4185	0.0721
0.85	102.0	3.5364	1.5358	0.3278
0.95	306.0	3.981	3.4559	0.3686
0.65	270.0	0.2937	0.6272	0.0357
0.75	78.0	-0.3618	0.5673	0.0383
0.75	102.0	-0.42	0.5891	0.0407
0.85	90.0	-0.7868	0.5505	0.0597
0.85	102.0	0.1478	0.6212	0.0315
0.85	114.0	-0.936	0.5243	0.0684
0.85	246.0	0.4258	0.687	0.041
0.85	270.0	-0.2413	0.6152	0.0339
0.85	282.0	-0.8715	0.5281	0.0646
0.85	294.0	-0.323	0.5295	0.0367
0.95	270.0	-1.2469	0.8252	0.0871
0.95	294.0	1.099	0.938	0.0781

CLAS Physics Database