Measurement E151M3230

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:	0.598
Q²:	0.2915 GeV²
W:	1355.0 GeV
E_beam:	2.2596 GeV
ε:	0.906

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	90.0	-0.2632	0.2423	0.0305
0.75	246.0	-0.0807	0.2606	0.03
0.85	90.0	-0.1224	0.2625	0.0301
0.85	102.0	-0.3255	0.2461	0.0307
0.95	306.0	0.3091	0.2315	0.0306
0.65	270.0	-0.2849	0.2463	0.0305
0.75	78.0	0.1758	0.2557	0.0302
0.75	102.0	0.1523	0.2481	0.0302
0.85	90.0	0.2026	0.2474	0.0303
0.85	102.0	0.1394	0.2312	0.0301
0.85	114.0	-0.224	0.2292	0.0303
0.85	246.0	-0.4029	0.2278	0.0311
0.85	270.0	0.2574	0.2426	0.0304
0.85	282.0	-0.202	0.2448	0.0303
0.85	294.0	0.2679	0.2195	0.0305
0.95	270.0	0.3598	0.2217	0.0309
0.95	294.0	-0.1335	0.2432	0.0301

CLAS Physics Database