Measurement E151M751

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:	0.2366
Q²:	0.0496 GeV²
W:	1295.0 GeV
E_beam:	2.2596 GeV
ε:	0.9699

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	258.0	2.8701	1.509	0.2666
0.85	246.0	-0.323	1.6442	0.0423
0.65	258.0	1.5465	0.4992	0.1058
0.75	258.0	0.1737	0.5158	0.0321
0.75	270.0	-0.8342	0.3526	0.0624
0.85	114.0	0.9215	0.6213	0.0675
0.85	126.0	0.6101	0.6538	0.05
0.85	258.0	0.2397	0.5864	0.0339
0.85	270.0	-0.003	0.5734	0.03

CLAS Physics Database