Measurement E151M2870

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:	0.0215
Q²:	0.0245 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6351

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	30.0	-0.187	0.255	0.0302
0.45	42.0	-0.2372	0.1918	0.0309
0.55	138.0	-0.25	0.3449	0.0304
0.55	150.0	0.1181	0.3502	0.0301
0.55	162.0	-0.0621	0.2519	0.03
0.55	210.0	0.5391	0.2855	0.0319
0.55	222.0	-0.3663	0.1732	0.0311
0.55	234.0	0.4974	0.2871	0.0316
0.65	150.0	0.2477	0.3928	0.0304
0.65	210.0	-0.1914	0.3333	0.0302
0.65	222.0	-0.4071	0.3672	0.0311
0.65	234.0	-0.061	0.387	0.03
0.75	222.0	0.1063	0.3125	0.0301
0.75	234.0	0.5225	0.3358	0.0318
0.75	246.0	0.1544	0.3803	0.0302
0.85	222.0	-0.1731	0.3434	0.0302
0.85	234.0	-0.3087	0.355	0.0306
0.85	246.0	0.1632	0.3385	0.0302
0.55	246.0	0.2851	0.2617	0.0305
0.65	138.0	0.1081	0.2635	0.0301
0.65	150.0	-0.0417	0.2701	0.03
0.65	222.0	0.0445	0.2335	0.03
0.75	138.0	0.1076	0.2555	0.0301
0.75	210.0	-0.2741	0.264	0.0305
0.75	222.0	0.2124	0.2554	0.0303
0.75	234.0	-0.0984	0.264	0.0301
0.75	246.0	-0.2997	0.2414	0.0306
0.85	210.0	0.4098	0.2632	0.0311
0.85	222.0	0.3158	0.254	0.0307
0.85	234.0	-0.4289	0.2073	0.0312
0.85	246.0	-0.3661	0.2315	0.0309

CLAS Physics Database