Measurement E151M2923

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:	0.6926
Q²:	0.1205 GeV²
W:	1235.0 GeV
E_beam:	1.9889 GeV
ε:	0.956

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.35	66.0	-0.3185	0.2305	0.0307
0.45	66.0	0.3715	0.2533	0.0309
0.45	78.0	-0.3079	0.2184	0.0306
0.45	282.0	0.0866	0.2359	0.0301
0.55	78.0	0.2166	0.2261	0.0303
0.55	270.0	-0.6721	0.1546	0.0329
0.55	282.0	0.0768	0.2273	0.03
0.65	258.0	-0.1191	0.2805	0.0301
0.65	270.0	0.0966	0.1652	0.0301
0.65	282.0	0.0107	0.2153	0.03
0.75	102.0	-0.0002	0.2588	0.03
0.75	258.0	-0.0447	0.2157	0.03
0.75	270.0	0.0618	0.184	0.03
0.75	282.0	0.2709	0.1969	0.0305
0.85	90.0	0.0585	0.2277	0.03
0.85	102.0	0.4819	0.1964	0.0315
0.85	114.0	-0.0115	0.1778	0.03
0.85	126.0	-0.2136	0.1817	0.0303
0.85	138.0	0.2208	0.2391	0.0303
0.85	258.0	-0.4908	0.1874	0.0316
0.85	270.0	0.1463	0.2139	0.0301
0.95	90.0	0.3265	0.2157	0.0307
0.95	102.0	0.0467	0.2021	0.03
0.95	114.0	0.0059	0.2113	0.03
0.95	126.0	-0.2257	0.1838	0.0303
0.95	138.0	0.3004	0.2167	0.0306
0.95	150.0	0.3018	0.192	0.0306
0.95	162.0	-0.0598	0.2261	0.03
0.95	174.0	-0.7525	0.1801	0.0336
0.95	186.0	-0.3848	0.2333	0.031
0.95	246.0	-0.1343	0.2524	0.0301

CLAS Physics Database