Measurement E151M774

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:	0.6897
Q²:	0.2915 GeV²
W:	1325.0 GeV
E_beam:	2.2596 GeV
ε:	0.9145

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	90.0	-0.0374	1.4599
0.75	102.0	0.1384	1.4871
0.75	246.0	0.578	1.3217
0.85	90.0	1.26	1.5742
0.85	282.0	0.9037	1.4225
0.85	294.0	-0.559	1.2078
0.85	306.0	-1.1286	1.2433
0.65	102.0	-0.636	0.4542
0.65	258.0	0.3062	0.5852
0.65	270.0	0.2211	0.5497
0.75	102.0	-0.5611	0.5193
0.85	78.0	0.6348	0.5915
0.85	90.0	0.7596	0.5933
0.85	102.0	0.4243	0.6605
0.85	114.0	0.578	0.6533
0.85	270.0	-1.0925	0.4491
0.85	282.0	-0.698	0.4711
0.85	294.0	-0.3063	0.4602
0.95	258.0	0.65	0.9629
0.95	282.0	1.4946	0.9636

CLAS Physics Database