Measurement E151M2464

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:	0.0541
Q²:	0.0071 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.9208

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	258.0	-0.2216	0.2474
0.65	246.0	0.0014	0.2151
0.65	258.0	0.3658	0.2108
0.65	270.0	-0.2399	0.2421
0.75	258.0	0.209	0.2572

CLAS Physics Database