Measurement E151M116

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:	0.1314
Q²:	0.0496 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.7603

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.15	42.0	-0.0204	0.8961	0.0301
0.25	42.0	-0.0426	0.7692	0.0304
0.35	30.0	0.691	0.8226	0.0841
0.35	42.0	0.0437	0.6948	0.0304
0.45	42.0	-0.6373	0.6039	0.0785
0.55	234.0	-0.3025	0.6596	0.0457
0.55	246.0	-0.2166	0.5893	0.0388
0.55	258.0	-0.0295	0.5189	0.0302
0.55	270.0	-0.8539	0.6661	0.1017
0.65	138.0	0.7008	0.7898	0.0852
0.65	150.0	-0.442	0.7495	0.0586
0.65	222.0	1.108	0.684	0.1296
0.65	234.0	-1.1345	0.4026	0.1325
0.65	246.0	0.1319	0.497	0.0335
0.65	258.0	-0.311	0.4264	0.0464
0.65	270.0	1.0179	0.5517	0.1196
0.75	126.0	0.5849	0.8839	0.073
0.75	138.0	0.2693	0.6463	0.0429
0.75	150.0	-0.1586	0.5511	0.035
0.75	162.0	-0.6216	0.6222	0.0768
0.75	174.0	-0.722	0.737	0.0875
0.75	222.0	-0.5304	0.5873	0.0674
0.75	234.0	-0.6528	0.4631	0.0801
0.75	246.0	0.1349	0.4134	0.0337
0.75	258.0	-0.2248	0.4232	0.0394
0.75	270.0	-0.1798	0.539	0.0363
0.85	138.0	1.3323	0.649	0.1545
0.85	150.0	-1.0357	0.6237	0.1216
0.85	162.0	0.3583	0.7041	0.0506
0.85	174.0	-0.8893	0.5863	0.1055
0.85	186.0	0.877	0.7724	0.1042
0.85	222.0	0.4948	0.6256	0.0638
0.85	234.0	2.1327	0.5817	0.2445
0.85	246.0	0.3226	0.436	0.0474
0.85	258.0	-0.5268	0.3861	0.067
0.85	270.0	0.1489	0.4475	0.0345
0.85	282.0	0.1326	0.6737	0.0336
0.95	114.0	-1.306	0.4821	0.1516
0.95	126.0	-0.0568	0.5491	0.0307
0.95	246.0	-0.5752	0.5177	0.072
0.95	258.0	-0.481	0.4101	0.0624

CLAS Physics Database