Measurement E151M3034

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:	0.3798
Q²:	0.2915 GeV²
W:	1445.0 GeV
E_beam:	1.9889 GeV
ε:	0.8315

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	90.0	-0.009	0.2892	0.03
0.65	102.0	-0.0284	0.2391	0.03
0.65	114.0	0.2098	0.2645	0.0303
0.65	246.0	0.4488	0.2221	0.0313
0.75	90.0	-0.1383	0.2504	0.0301
0.75	102.0	0.0396	0.2556	0.03
0.75	126.0	0.2775	0.2523	0.0305
0.75	222.0	0.0675	0.2825	0.03
0.75	234.0	-0.0577	0.223	0.03
0.75	246.0	0.106	0.2627	0.0301
0.75	258.0	0.1893	0.2384	0.0302
0.85	66.0	0.3948	0.1948	0.031
0.85	114.0	0.112	0.2553	0.0301
0.85	126.0	-0.0858	0.2615	0.03
0.85	222.0	0.4686	0.2304	0.0314
0.85	234.0	0.3657	0.2255	0.0309
0.85	246.0	0.0631	0.2446	0.03
0.85	258.0	0.1488	0.2685	0.0301
0.85	270.0	-0.0002	0.2446	0.03
0.85	282.0	-0.1453	0.2473	0.0301
0.85	294.0	-0.0768	0.2673	0.03
0.95	66.0	-0.4137	0.2477	0.0311
0.95	258.0	0.0641	0.2788	0.03
0.95	282.0	-0.4752	0.2207	0.0315

CLAS Physics Database