Measurement E151M2035

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:	0.4552
Q²:	0.2915 GeV²
W:	1415.0 GeV
E_beam:	2.2596 GeV
ε:	0.8858

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.75	90.0	0.9548	0.659	0.069
0.75	102.0	0.195	0.5965	0.0538
0.85	102.0	-1.0534	0.7217	0.0748
0.85	234.0	1.0879	0.8669	0.0769
0.85	258.0	0.3088	0.8594	0.0361
0.85	270.0	-0.9768	0.7473	0.0703
0.85	282.0	0.2019	0.8322	0.0328
0.95	306.0	0.3919	1.0303	0.0394
0.75	114.0	0.9792	1.3434	0.0949
0.75	126.0	-0.1175	1.3858	0.0319
0.75	258.0	0.4289	1.1167	0.0495
0.85	270.0	0.9328	1.1444	0.0908

CLAS Physics Database