Measurement E151M1206

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:	0.0356
Q²:	0.101 GeV²
W:	1895.0 GeV
E_beam:	2.999 GeV
ε:	0.7924

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.75	270.0	1.7141	1.0203
0.85	102.0	0.0988	0.7565
0.85	114.0	0.9562	0.925
0.85	186.0	-1.3615	0.6808
0.85	198.0	-0.6845	0.7601
0.85	210.0	-1.0458	0.723
0.85	222.0	-1.2186	0.6542

CLAS Physics Database