Measurement E151M3478

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:	0.5897
Q²:	0.7075 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.8681

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	90.0	0.2147	0.2513
0.75	270.0	0.1251	0.2744
0.75	282.0	-0.1661	0.2718
0.85	258.0	0.0948	0.2755
0.85	270.0	0.4294	0.2456
0.85	294.0	-0.4512	0.2346
0.85	306.0	0.3359	0.2291
0.85	318.0	-0.2075	0.2486
0.85	330.0	0.1459	0.253

CLAS Physics Database