Measurement E151M2463

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:	0.9194
Q²:	0.205 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.7681

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	294.0	0.1365	0.2596	0.0301
0.45	282.0	-0.1632	0.2123	0.0302
0.45	294.0	-0.1668	0.2343	0.0302
0.55	270.0	0.3595	0.2182	0.0308
0.55	282.0	0.4383	0.1892	0.0313
0.65	270.0	-0.4608	0.2027	0.0314
0.65	282.0	0.1515	0.2489	0.0302
0.85	126.0	0.0478	0.2634	0.03

CLAS Physics Database