Measurement E151M3561

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:	0.2399
Q²:	0.4155 GeV²
W:	1655.0 GeV
E_beam:	2.999 GeV
ε:	0.848

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	90.0	0.0144	0.2479	0.03
0.65	66.0	-0.1915	0.28	0.0302
0.65	90.0	-0.0222	0.2674	0.03
0.65	102.0	-0.5038	0.2384	0.0316
0.65	114.0	-0.0411	0.2291	0.03
0.65	306.0	-0.0739	0.2537	0.03
0.75	66.0	0.0422	0.2555	0.03
0.75	78.0	0.353	0.2069	0.0308
0.75	102.0	-0.3864	0.2254	0.031
0.75	114.0	-0.2735	0.2226	0.0305
0.75	198.0	-0.3119	0.2642	0.0306
0.75	246.0	-0.117	0.2614	0.0301
0.85	66.0	-0.0463	0.2235	0.03
0.85	78.0	0.5754	0.1877	0.0321
0.85	90.0	-0.1594	0.2483	0.0302
0.85	186.0	-0.1265	0.2706	0.0301
0.85	198.0	-0.2932	0.247	0.0306
0.85	210.0	-0.0832	0.2063	0.03
0.85	222.0	0.3256	0.2303	0.0307
0.85	234.0	-0.3862	0.1957	0.031
0.85	246.0	-0.5731	0.1805	0.0321
0.85	258.0	0.2645	0.1933	0.0305
0.85	270.0	0.1704	0.2158	0.0302
0.85	282.0	0.075	0.2454	0.03
0.95	198.0	-0.1252	0.2583	0.0301
0.95	210.0	-0.5939	0.2298	0.0323
0.95	222.0	0.2377	0.2418	0.0304
0.95	234.0	-0.0799	0.265	0.03
0.95	246.0	-0.1861	0.2046	0.0302
0.95	258.0	-0.2143	0.2242	0.0303
0.95	270.0	0.0533	0.2187	0.03
0.95	282.0	-0.5005	0.2275	0.0316
0.95	294.0	0.0297	0.2242	0.03
0.95	306.0	-0.2719	0.234	0.0305

CLAS Physics Database