Measurement E151M3602

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:	0.1941
Q²:	0.496 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.7866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.85	78.0	-0.3074	0.2591
0.85	210.0	0.2417	0.2732
0.95	222.0	0.2971	0.2341
0.95	234.0	0.2807	0.2567
0.95	246.0	0.4043	0.2361
0.95	258.0	0.0868	0.251
0.95	270.0	-0.4491	0.2466

CLAS Physics Database