Measurement E151M97

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:	0.216
Q²:	0.0707 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.7757

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	30.0	0.4791	0.7132	0.0622
0.35	42.0	-0.0505	0.6705	0.0305
0.45	42.0	0.4631	0.8106	0.0606
0.45	270.0	0.6451	0.6937	0.0793
0.55	234.0	-0.8699	0.6866	0.1034
0.55	246.0	0.4415	0.613	0.0585
0.55	258.0	-0.2484	0.457	0.0412
0.55	270.0	0.328	0.5514	0.0479
0.65	138.0	0.1193	0.8421	0.0329
0.65	234.0	0.4478	0.6335	0.0591
0.65	246.0	1.1566	0.4746	0.135
0.65	258.0	-0.1245	0.4351	0.0332
0.65	270.0	0.2424	0.4564	0.0407
0.75	126.0	0.1961	0.7156	0.0374
0.75	138.0	-1.4977	0.4658	0.173
0.75	150.0	-0.6404	0.4904	0.0788
0.75	162.0	0.4381	0.634	0.0582
0.75	174.0	-0.0339	0.7598	0.0302
0.75	186.0	-0.2972	0.6605	0.0452
0.75	234.0	0.0888	0.5145	0.0317
0.75	246.0	1.0739	0.4564	0.1258
0.75	258.0	-0.0863	0.443	0.0316
0.75	270.0	0.2366	0.4053	0.0403
0.75	282.0	0.2961	0.5458	0.0451
0.85	126.0	0.3422	0.5934	0.0492
0.85	138.0	0.3135	0.4721	0.0466
0.85	150.0	0.2542	0.5587	0.0417
0.85	162.0	-0.1591	0.5714	0.035
0.85	174.0	-0.1273	0.5187	0.0333
0.85	186.0	0.9848	0.8233	0.116
0.85	198.0	-0.4831	0.6335	0.0626
0.85	234.0	0.911	0.5483	0.1079
0.85	246.0	-1.0526	0.3413	0.1235
0.85	258.0	0.2849	0.4124	0.0442
0.85	270.0	0.1433	0.4101	0.0341
0.85	282.0	-0.5758	0.452	0.0721
0.85	294.0	1.1668	0.738	0.1361
0.95	102.0	-0.111	0.5647	0.0326
0.95	114.0	0.8624	0.5717	0.1026
0.95	126.0	-0.2365	0.5712	0.0403
0.95	138.0	0.7668	0.615	0.0923
0.95	150.0	-0.8126	0.458	0.0972
0.95	162.0	0.2159	0.6295	0.0388
0.95	174.0	-0.0623	0.6041	0.0308
0.95	270.0	0.0652	0.4957	0.0309

CLAS Physics Database