Measurement E151M3

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_UL
ε_L:	0.1164
Q²:	0.0121 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9348

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	258.0	-0.8508	0.346	0.1013
0.55	270.0	-0.208	0.4244	0.0382
0.65	246.0	0.2298	0.3859	0.0398
0.65	258.0	-0.226	0.3728	0.0395
0.65	270.0	0.3626	0.4804	0.051
0.75	186.0	0.1708	0.4617	0.0357
0.75	246.0	-0.1808	0.4561	0.0364
0.75	258.0	0.0974	0.4512	0.032

CLAS Physics Database