Measurement E151M3399

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:	1.2383
Q²:	0.4155 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9514

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	282.0	0.2816	0.2237	0.0305
0.35	294.0	0.33	0.2052	0.0307
0.45	282.0	-0.1701	0.2109	0.0302
0.55	270.0	0.1385	0.2337	0.0301
0.55	282.0	0.135	0.2164	0.0301
0.55	294.0	-0.3958	0.197	0.031
0.65	78.0	-0.1328	0.2316	0.0301
0.65	90.0	0.4629	0.2179	0.0314
0.65	270.0	-0.139	0.2396	0.0301
0.65	282.0	0.0731	0.2113	0.03
0.65	294.0	-0.0755	0.2154	0.03
0.65	306.0	-0.1327	0.2282	0.0301
0.75	66.0	0.09	0.2175	0.0301
0.75	78.0	0.0749	0.201	0.03
0.75	90.0	0.2468	0.2471	0.0304
0.75	102.0	0.4318	0.2352	0.0312
0.75	258.0	0.0701	0.2473	0.03
0.75	270.0	-0.3941	0.2153	0.031
0.75	282.0	0.108	0.1952	0.0301
0.75	294.0	-0.244	0.2194	0.0304
0.75	306.0	-0.0789	0.2368	0.03
0.85	54.0	-0.3604	0.2382	0.0309
0.85	66.0	0.1894	0.2383	0.0302
0.85	78.0	-0.0611	0.1996	0.03
0.85	90.0	-0.0578	0.1997	0.03
0.85	102.0	-0.2891	0.2029	0.0306
0.85	270.0	-0.0652	0.243	0.03
0.85	294.0	-0.0769	0.2547	0.03
0.85	306.0	0.5009	0.1838	0.0316
0.85	318.0	-0.0872	0.2885	0.0301
0.95	54.0	0.054	0.2663	0.03
0.95	66.0	-0.0076	0.2633	0.03
0.95	90.0	0.3621	0.2579	0.0309
0.95	270.0	0.0183	0.2694	0.03

CLAS Physics Database