Measurement E151M3021

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:	0.0617
Q²:	0.0291 GeV²
W:	1445.0 GeV
E_beam:	1.9889 GeV
ε:	0.9192

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	66.0	-0.2504	0.2691	0.0304
0.35	78.0	-0.0707	0.2781	0.03
0.45	78.0	-0.2187	0.2544	0.0303
0.45	90.0	0.0606	0.2581	0.03
0.45	282.0	0.209	0.2795	0.0303
0.45	294.0	0.0894	0.2772	0.0301
0.55	90.0	-0.1683	0.253	0.0302
0.65	114.0	0.0643	0.2514	0.03
0.65	138.0	0.3641	0.2513	0.0309
0.65	150.0	0.1	0.2582	0.0301
0.65	222.0	0.0834	0.2548	0.03
0.65	234.0	-0.075	0.233	0.03
0.65	246.0	0.3555	0.2327	0.0308
0.75	114.0	-0.2723	0.2594	0.0305
0.75	126.0	0.094	0.2369	0.0301
0.75	138.0	-0.1338	0.2623	0.0301
0.75	150.0	-0.0248	0.2751	0.03
0.75	222.0	0.3065	0.2423	0.0306
0.75	234.0	-0.4419	0.1689	0.0313
0.75	246.0	-0.5418	0.1885	0.0319
0.85	222.0	-0.1268	0.2199	0.0301
0.85	234.0	-0.213	0.2304	0.0303
0.85	246.0	-0.2081	0.2484	0.0303

CLAS Physics Database