Measurement E151M3018

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:	0.4355
Q²:	0.2915 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.8474

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.25	66.0	-0.3788	0.2413	0.0309
0.35	294.0	0.0767	0.2831	0.03
0.65	102.0	0.08	0.2433	0.03
0.65	258.0	0.024	0.228	0.03
0.75	90.0	-0.171	0.2516	0.0302
0.75	102.0	0.3362	0.2141	0.0307
0.75	114.0	-0.5095	0.2171	0.0317
0.75	246.0	0.1658	0.249	0.0302
0.75	258.0	-0.2824	0.2564	0.0305
0.75	270.0	-0.4369	0.2248	0.0312
0.75	282.0	-0.0075	0.3141	0.03
0.85	90.0	0.2321	0.2543	0.0304
0.85	102.0	0.0897	0.2439	0.0301
0.85	114.0	0.2645	0.2205	0.0305
0.85	234.0	0.1341	0.2723	0.0301
0.85	246.0	-0.4749	0.2275	0.0315
0.85	258.0	-0.2513	0.2373	0.0304
0.85	270.0	-0.1997	0.2353	0.0303
0.85	282.0	0.2647	0.1812	0.0305
0.85	294.0	0.1049	0.2703	0.0301
0.85	306.0	-0.1746	0.2566	0.0302
0.95	234.0	-0.3507	0.2445	0.0308
0.95	270.0	0.0533	0.2459	0.03
0.95	282.0	0.1173	0.2574	0.0301
0.95	294.0	0.072	0.2466	0.03
0.95	306.0	-0.2493	0.2586	0.0304

CLAS Physics Database