Measurement E151M2674

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:	0.8465
Q²:	0.205 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.8468

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	282.0	-0.2196	0.2409
0.75	282.0	-0.2609	0.271
0.85	102.0	0.1836	0.2723
0.95	102.0	0.2482	0.2623
0.65	294.0	-0.3858	0.3338
0.75	282.0	-0.1314	0.3711
0.85	102.0	-0.2536	0.3049

CLAS Physics Database