Measurement E151M686

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_UL
ε_L:	0.0374
Q²:	0.0496 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.78

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	78.0	0.0689	0.727	0.0303
0.35	90.0	0.3419	0.7587	0.0366
0.35	270.0	-0.7068	0.6088	0.0526
0.45	78.0	-0.3689	0.5737	0.0375
0.45	90.0	0.5598	0.7976	0.0455
0.45	138.0	-0.0296	0.74	0.0301
0.45	258.0	0.9338	0.7673	0.0645
0.45	270.0	0.099	0.4923	0.0306
0.45	282.0	1.2671	0.6867	0.0831
0.55	114.0	-0.4434	0.6806	0.0404
0.55	126.0	-0.9241	0.6344	0.064
0.55	138.0	0.3798	0.6991	0.0379
0.55	210.0	0.9095	0.7908	0.0632
0.55	258.0	1.688	0.6579	0.1075
0.55	270.0	0.791	0.5591	0.0569
0.55	282.0	-0.9043	0.537	0.0629
0.65	138.0	0.2995	0.6521	0.0351
0.65	150.0	-0.7586	0.6301	0.0552
0.65	210.0	0.1076	0.6052	0.0307
0.65	222.0	1.6202	0.6081	0.1035
0.65	234.0	1.1953	0.7236	0.079
0.65	282.0	-0.4123	0.6404	0.0392
0.65	294.0	0.029	0.6567	0.0301
0.75	66.0	-0.0817	0.5864	0.0304
0.75	78.0	-0.3886	0.6006	0.0383
0.75	138.0	-0.1501	0.7246	0.0314
0.75	198.0	1.4918	0.5827	0.096
0.75	210.0	0.172	0.545	0.0318
0.75	222.0	0.6055	0.5041	0.0477
0.75	234.0	-0.4501	0.6075	0.0407
0.75	258.0	0.6389	0.6631	0.0493
0.75	270.0	0.1483	0.5206	0.0313
0.75	282.0	0.2714	0.4604	0.0343
0.75	294.0	-0.3042	0.5596	0.0353
0.85	102.0	0.7435	0.6753	0.0545
0.85	114.0	-1.0003	0.4784	0.0681
0.85	126.0	-0.2255	0.5883	0.033
0.85	198.0	1.7461	0.6363	0.1109
0.85	210.0	0.6226	0.6657	0.0485
0.85	222.0	-0.5082	0.4686	0.0432
0.85	234.0	0.7157	0.5941	0.0531
0.85	246.0	0.2791	0.6906	0.0345
0.95	222.0	-0.036	0.614	0.0301

CLAS Physics Database