Measurement E151M2943

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_LU
ε_L:	0.9573
Q²:	0.348 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.8907

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	294.0	0.0795	0.2811
0.65	282.0	-0.3742	0.2488
0.65	294.0	0.1464	0.2453
0.75	66.0	0.2431	0.2758
0.75	78.0	0.0303	0.2714
0.75	90.0	0.0318	0.2591
0.75	102.0	0.0957	0.239
0.75	294.0	0.2151	0.2302
0.85	102.0	-0.3311	0.2718
0.85	234.0	-0.7674	0.178
0.85	258.0	0.0149	0.241
0.85	282.0	-0.3432	0.2501
0.85	294.0	0.2328	0.2206
0.95	78.0	-0.4661	0.2575

CLAS Physics Database