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
0.35	66.0	-0.3185	0.2305
0.45	66.0	0.3715	0.2533
0.45	78.0	-0.3079	0.2184
0.45	282.0	0.0866	0.2359
0.55	78.0	0.2166	0.2261
0.55	270.0	-0.6721	0.1546
0.55	282.0	0.0768	0.2273
0.65	258.0	-0.1191	0.2805
0.65	270.0	0.0966	0.1652
0.65	282.0	0.0107	0.2153
0.75	102.0	-0.0002	0.2588
0.75	258.0	-0.0447	0.2157
0.75	270.0	0.0618	0.184
0.75	282.0	0.2709	0.1969
0.85	90.0	0.0585	0.2277
0.85	102.0	0.4819	0.1964
0.85	114.0	-0.0115	0.1778
0.85	126.0	-0.2136	0.1817
0.85	138.0	0.2208	0.2391
0.85	258.0	-0.4908	0.1874
0.85	270.0	0.1463	0.2139
0.95	90.0	0.3265	0.2157
0.95	102.0	0.0467	0.2021
0.95	114.0	0.0059	0.2113
0.95	126.0	-0.2257	0.1838
0.95	138.0	0.3004	0.2167
0.95	150.0	0.3018	0.192
0.95	162.0	-0.0598	0.2261
0.95	174.0	-0.7525	0.1801
0.95	186.0	-0.3848	0.2333
0.95	246.0	-0.1343	0.2524

CLAS Physics Database