Measurement E151M2124

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_LL
ε_L:	0.1151
Q²:	0.1435 GeV²
W:	1625.0 GeV
E_beam:	2.2596 GeV
ε:	0.8257

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.85	222.0	-0.3931	0.9569	0.047
0.85	234.0	0.7171	0.9273	0.0724
0.65	294.0	-0.8491	0.7224	0.0629
0.75	210.0	-2.6075	0.7919	0.1723
0.85	102.0	0.3937	0.8695	0.0394
0.85	234.0	0.456	1.0008	0.0422

CLAS Physics Database