Measurement E151M2892

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:	0.0385
Q²:	0.0593 GeV²
W:	1595.0 GeV
E_beam:	1.3383 GeV
ε:	0.5483

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	222.0	-0.0709	0.3578	0.03
0.75	246.0	-0.2652	0.3727	0.0305
0.85	234.0	-0.6809	0.2038	0.0329
0.85	258.0	0.0967	0.4193	0.0301
0.55	234.0	0.3625	0.2574	0.0309
0.85	126.0	1.0041	1.0041	0.0361
0.85	234.0	-0.2714	0.2524	0.0305

CLAS Physics Database