Measurement E151M2586

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:	0.1998
Q²:	0.1205 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.6317

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	246.0	0.3544	0.23	0.0308
0.55	258.0	0.1549	0.2172	0.0302
0.65	234.0	0.0331	0.2298	0.03
0.65	246.0	0.4137	0.1929	0.0311
0.65	258.0	-0.0433	0.2082	0.03
0.65	270.0	-0.371	0.2099	0.0309
0.75	138.0	-0.069	0.243	0.03
0.75	174.0	-0.1685	0.242	0.0302
0.75	222.0	0.2023	0.2516	0.0303
0.75	246.0	0.3698	0.1793	0.0309
0.75	258.0	0.0306	0.2307	0.03
0.75	270.0	-0.0502	0.1899	0.03
0.75	282.0	0.3442	0.2231	0.0308
0.85	138.0	0.1165	0.2645	0.0301
0.85	234.0	-0.2698	0.2493	0.0305
0.85	246.0	-0.3304	0.2049	0.0307
0.85	258.0	-0.2374	0.1765	0.0304
0.85	270.0	0.0185	0.1708	0.03
0.85	282.0	-0.179	0.2233	0.0302
0.95	258.0	-0.2552	0.2507	0.0304

CLAS Physics Database