Measurement E151M363

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:	0.2167
Q²:	0.1715 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.6825

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	246.0	-0.3918	0.8652	0.0382
0.65	246.0	1.9868	1.3276	0.1233
0.65	258.0	3.7185	3.7185	0.2259
0.75	114.0	-1.6243	0.6046	0.1023
0.75	234.0	-0.28	0.8632	0.0344
0.75	258.0	-0.4462	0.7388	0.0403
0.85	246.0	0.4651	0.9764	0.041
0.85	258.0	-0.1297	0.8294	0.031
0.85	270.0	0.8093	1.1367	0.0572
0.95	258.0	-0.5235	0.6833	0.0435
0.55	258.0	-0.9555	0.6688	0.0663
0.65	126.0	0.2457	0.7419	0.0336
0.65	258.0	-0.58	0.6992	0.0468
0.75	258.0	-1.0544	0.6568	0.0719
0.85	126.0	-0.5386	0.6698	0.0449
0.85	138.0	-0.1765	0.7003	0.0319
0.85	246.0	-0.0216	0.6227	0.03
0.85	258.0	0.2914	0.5551	0.035
0.95	258.0	-0.1805	0.6079	0.032

CLAS Physics Database