Measurement E151M865

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:	0.1687
Q²:	0.1435 GeV²
W:	1535.0 GeV
E_beam:	2.2596 GeV
ε:	0.8754

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	282.0	-0.0668	0.7331	0.0306
0.65	114.0	-0.6278	0.8487	0.0652
0.65	234.0	1.0893	0.9517	0.1049
0.75	102.0	1.6541	1.0913	0.1556
0.75	114.0	-0.9356	0.8762	0.0914
0.75	126.0	-0.8184	0.9141	0.0813
0.75	138.0	-2.4032	0.6527	0.2238
0.75	222.0	-0.4956	0.8917	0.0547
0.75	234.0	0.0819	0.8309	0.0309
0.85	78.0	-0.9335	0.9511	0.0912
0.85	90.0	-2.2263	0.874	0.2076
0.85	234.0	2.7531	0.9301	0.2559
0.85	246.0	-0.4434	0.9335	0.0507
0.95	210.0	3.2149	2.8519	0.2982
0.35	66.0	-0.25	0.6233	0.0342
0.35	78.0	0.1326	0.61	0.0312
0.35	282.0	0.1724	0.6109	0.0321
0.55	282.0	-0.3149	0.6326	0.0364
0.65	102.0	-0.9682	0.5472	0.0703
0.65	114.0	0.724	0.6763	0.0562
0.65	126.0	-1.0366	0.6279	0.0743
0.65	138.0	0.5416	0.7832	0.0465
0.65	294.0	1.0473	0.7218	0.075
0.75	114.0	-0.249	0.6731	0.0342
0.75	126.0	-0.4716	0.7473	0.0431
0.75	138.0	-1.6059	0.5878	0.1096
0.75	210.0	0.9317	0.8346	0.0681
0.75	222.0	1.9139	0.7049	0.1291
0.75	234.0	0.8295	0.7649	0.0622
0.75	246.0	0.5864	0.8087	0.0488
0.85	78.0	-0.4511	0.6778	0.0421
0.85	126.0	-0.0891	0.8353	0.0306
0.85	210.0	0.5594	0.8822	0.0474
0.85	222.0	1.2671	0.7478	0.0884
0.85	234.0	-0.4163	0.7076	0.0406
0.85	246.0	2.3361	0.6717	0.1562
0.85	258.0	0.1376	0.8412	0.0313
0.95	210.0	-0.9071	1.3026	0.0667
0.95	222.0	1.1192	1.3625	0.0793
0.95	246.0	0.085	1.1193	0.0305
0.95	258.0	0.6871	1.2593	0.0542
0.95	270.0	1.9689	1.1851	0.1326

CLAS Physics Database