Measurement E151M3064

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:	0.2903
Q²:	0.2915 GeV²
W:	1505.0 GeV
E_beam:	1.9889 GeV
ε:	0.7946

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	0.3625	0.2379	0.0309
0.65	102.0	0.5496	0.2223	0.032
0.65	222.0	-0.7778	0.1715	0.0338
0.65	234.0	0.1418	0.2516	0.0301
0.75	102.0	-0.3771	0.2269	0.0309
0.75	114.0	0.2103	0.27	0.0303
0.75	234.0	-0.2184	0.2437	0.0303
0.75	246.0	-0.3303	0.2519	0.0307
0.75	258.0	-0.3176	0.236	0.0307
0.85	114.0	-0.2185	0.276	0.0303
0.85	234.0	0.0096	0.2762	0.03
0.85	246.0	0.4008	0.2113	0.0311
0.85	270.0	-0.2233	0.2407	0.0303
0.95	210.0	-0.2582	0.2881	0.0304
0.95	258.0	0.223	0.264	0.0303
0.95	270.0	-0.4262	0.2424	0.0312
0.95	282.0	-0.1052	0.2377	0.0301
0.95	294.0	-0.0087	0.2756	0.03

CLAS Physics Database