Measurement E151M3598

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:	0.1251
Q²:	0.2445 GeV²
W:	1745.0 GeV
E_beam:	2.999 GeV
ε:	0.8431

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	0.2052	0.2567	0.0303
0.65	126.0	-0.1415	0.2742	0.0301
0.75	90.0	0.4871	0.25	0.0315
0.75	186.0	-0.0429	0.2476	0.03
0.75	198.0	0.04	0.2491	0.03
0.75	234.0	0.1193	0.2391	0.0301
0.75	294.0	-0.1044	0.2636	0.0301
0.85	78.0	0.268	0.2187	0.0305
0.85	90.0	0.0916	0.1974	0.0301
0.85	102.0	-0.242	0.2221	0.0304
0.85	114.0	0.0937	0.2553	0.0301
0.85	186.0	-0.2562	0.2627	0.0304
0.85	198.0	-0.0427	0.2167	0.03
0.85	210.0	-0.216	0.2062	0.0303
0.85	222.0	-0.1255	0.2032	0.0301
0.85	234.0	-0.2076	0.221	0.0303
0.85	246.0	0.0642	0.2694	0.03
0.95	174.0	-0.1411	0.232	0.0301
0.95	198.0	0.075	0.2612	0.03
0.95	210.0	-0.3988	0.2507	0.031
0.95	222.0	-0.1201	0.232	0.0301
0.95	234.0	0.1449	0.191	0.0301
0.95	246.0	-0.3406	0.2243	0.0308
0.95	270.0	-0.2237	0.2576	0.0303

CLAS Physics Database