Measurement E151M3411

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:	1.1217
Q²:	0.5925 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9258

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	282.0	0.2194	0.2514	0.0303
0.55	294.0	-0.3044	0.2258	0.0306
0.65	66.0	0.3604	0.2591	0.0309
0.65	78.0	-0.4	0.2473	0.031
0.65	270.0	0.2382	0.2301	0.0304
0.65	282.0	0.071	0.2301	0.03
0.65	318.0	0.5167	0.2152	0.0317
0.75	78.0	-0.3689	0.2071	0.0309
0.75	258.0	-0.2254	0.262	0.0303
0.75	270.0	-0.2055	0.2461	0.0303
0.75	282.0	-0.2939	0.2003	0.0306
0.75	294.0	-0.0451	0.2665	0.03
0.85	66.0	-0.1774	0.2764	0.0302
0.85	78.0	-0.2513	0.2475	0.0304
0.85	90.0	-0.13	0.2584	0.0301
0.85	246.0	-0.018	0.249	0.03
0.85	258.0	0.3329	0.2464	0.0307
0.85	270.0	0.0525	0.2548	0.03
0.85	282.0	-0.0253	0.2796	0.03
0.85	294.0	0.7948	0.1685	0.034
0.85	306.0	-0.1411	0.2514	0.0301
0.85	318.0	-0.1045	0.2836	0.0301
0.95	270.0	-0.353	0.2816	0.0308

CLAS Physics Database