Measurement E151M677

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:	0.0929
Q²:	0.1205 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.7746

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	126.0	-0.1135	0.7122	0.0308
0.65	234.0	-0.6126	0.6633	0.048
0.65	294.0	0.0253	0.6927	0.03
0.75	222.0	-0.6738	0.6094	0.051
0.75	234.0	0.3243	0.7443	0.036
0.85	102.0	-0.6072	0.6315	0.0477
0.85	114.0	-0.9544	0.6509	0.0656
0.85	210.0	0.6784	0.8155	0.0512
0.85	222.0	0.2899	0.7362	0.0348
0.85	234.0	-0.3376	0.7483	0.0364
0.95	114.0	-0.6833	0.6301	0.0514
0.95	246.0	0.7691	0.776	0.0558

CLAS Physics Database