Measurement E151M3624

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:	0.1154
Q²:	0.2915 GeV²
W:	1805.0 GeV
E_beam:	2.999 GeV
ε:	0.8009

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	222.0	-0.1714	0.2795
0.85	90.0	-0.1975	0.2632
0.85	210.0	0.0755	0.2683
0.95	210.0	-0.034	0.2501
0.95	222.0	-0.1011	0.2691
0.95	234.0	-0.3649	0.2516

CLAS Physics Database