Measurement E151M3630

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:	0.044
Q²:	0.101 GeV²
W:	1835.0 GeV
E_beam:	2.999 GeV
ε:	0.8284

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.75	102.0	0.1885	0.2556	0.0302
0.75	114.0	0.0818	0.268	0.03
0.75	198.0	0.0318	0.2608	0.03
0.75	210.0	-0.4338	0.1975	0.0312
0.75	222.0	-0.0598	0.2509	0.03
0.75	270.0	0.1936	0.2488	0.0302
0.75	282.0	0.4158	0.2462	0.0311
0.85	90.0	0.0797	0.2548	0.03
0.85	102.0	-0.022	0.213	0.03
0.85	114.0	0.2722	0.2049	0.0305
0.85	126.0	0.3529	0.2499	0.0308
0.85	186.0	-0.3834	0.2	0.031
0.85	198.0	0.0606	0.2224	0.03
0.85	210.0	0.4341	0.2092	0.0312
0.85	222.0	0.3241	0.2197	0.0307
0.85	270.0	-0.2131	0.268	0.0303
0.95	210.0	0.3444	0.2525	0.0308

CLAS Physics Database