Measurement E151M3389

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:	1.4338
Q²:	0.4155 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.9548

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	282.0	0.0742	0.2849	0.03
0.45	282.0	0.8205	0.1441	0.0342
0.45	294.0	-0.1578	0.272	0.0302
0.55	282.0	-0.431	0.2373	0.0312
0.75	66.0	0.056	0.2363	0.03
0.75	78.0	-0.3623	0.2228	0.0309
0.75	270.0	-0.3945	0.2354	0.031
0.75	282.0	-0.0171	0.2452	0.03
0.85	66.0	0.2494	0.2454	0.0304
0.85	90.0	0.1913	0.2643	0.0302

CLAS Physics Database