Measurement E151M3659

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:	0.0321
Q²:	0.101 GeV²
W:	1925.0 GeV
E_beam:	2.999 GeV
ε:	0.7722

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	270.0	0.0598	0.2638
0.85	102.0	0.4145	0.2072
0.85	114.0	0.0481	0.2476
0.85	126.0	-0.1889	0.2613
0.85	186.0	0.2971	0.2612
0.85	198.0	-0.0097	0.2734

CLAS Physics Database